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Head-to-head

Catax vs justTRADE

Higher editorial review rating

Catax

Retail crypto investors, Web3 native enterprises, and regional accounting practitioners needing automated crypto tax calculations, portfolio cost basis tracking, and forensic grade reconciliation reports.

8.40
vs

justTRADE

German resident investors seeking combined custody of traditional securities and major cryptocurrencies in a single tax reporting interface under German banking supervision.

7.80
  • Catax for Retail crypto investors, Web3 native enterprises, and regional accounting practitioners needing automated crypto tax calculations, portfolio cost basis tracking, and forensic grade reconciliation reports.; justTRADE for German resident investors seeking combined custody of traditional securities and major cryptocurrencies in a single tax reporting interface under German banking supervision..

Our take

Catax

Catax operates as a multi-jurisdictional crypto tax compliance and portfolio accounting platform designed to simplify transaction classification for digital asset market participants. The application connects directly to centralized trading desks, layer 1 blockchains, and decentralized finance protocols via read only Application Programming Interface keys and public ledger addresses. By indexing transfers, staking payouts, decentralized exchange swaps, and non-fungible token mints, the platform establishes historical cost basis ledgers across multiple regional accounting frameworks.

The service balances entry-level self-service filing tools with institutional forensic auditing workspaces. While active decentralized finance participants may need to review complex liquidity pool transactions manually, the engine handles standard spot trading, margin movements, and token transfers smoothly. For individual taxpayers and corporate finance teams seeking structured ledger reconciliation without handing over private key access, Catax delivers a solid, compliance-oriented utility.

justTRADE

justTRADE delivers a streamlined gateway for German retail investors who want spot digital asset trading combined with traditional securities brokerage. By routing fiat clearing through Sutor Bank and digital asset custody through Tangany GmbH, the platform offers a familiar regulatory environment under BaFin oversight. The zero euro order commission structure and straightforward minimum spread of 0.30 percent provide transparent transaction costs. However, the inability to withdraw crypto assets to private self-custody hardware wallets creates a closed ecosystem that will not satisfy decentralized finance enthusiasts or advanced altcoin traders.

Pros and cons

Catax

Pros

  • Broad integration coverage across major centralized exchanges, decentralized protocols, and native blockchain addresses.
  • Comprehensive accounting toolset including support for FIFO, LIFO, and weighted average cost basis calculations alongside multi-currency reports.
  • Dedicated institutional workspace featuring sub-accounts, forensic transaction tracing, and exported audit schedules for professional tax practitioners.

Cons

  • Advanced enterprise and forensic modules require custom pricing and structured sales engagement.
  • Complex smart contract interactions on emerging layer 2 networks occasionally require manual transaction category adjustments.
  • Customer support channels for entry tier self-service filers are primarily ticket and documentation based rather than phone supported.

justTRADE

Pros

  • Zero order execution commissions across spot cryptocurrency pairs, charging only a transparent minimum spread of 0.30 percent
  • Crypto custody handled through regulated German crypto custodian Tangany GmbH under BaFin supervision
  • Unified interface for trading spot crypto alongside stocks, ETFs, and certificates from one clearing account at Sutor Bank

Cons

  • External wallet transfers for incoming or outgoing crypto deposits and withdrawals are not supported
  • Account availability is restricted primarily to adult residents in Germany with German tax liability
  • Crypto asset catalog is focused on approximately 20 major tokens rather than broad altcoin markets

Software architecture, asset coverage, and ingestion methods

Catax

Catax delivers a software-as-a-service compliance architecture tailored for digital asset reconciliation. The system functions by ingesting raw ledger activity from a broad selection of centralized exchanges, custodial brokers, self-hosted Web3 wallets, and smart contract addresses. Ingestion occurs through two primary mechanisms: read-only API connectors that continuously fetch trade executions and balance adjustments, and structured file uploads for historical comma-separated values exported from inactive or unsupported platforms. Once raw data points enter the engine, an automated parsing layer standardizes disparate asset symbols, timestamp conventions, and transaction fee parameters into a unified double-entry ledger format.

Asset coverage extends across thousands of standard digital tokens, wrapped protocol assets, stablecoins, and non-fungible tokens. The system maps token transfers across established chains such as Ethereum, Bitcoin, Solana, and Polygon, as well as evolving layer 2 scaling ecosystems. In addition to spot market transactions, Catax recognizes complex decentralized finance events such as protocol liquidity provision, yield farming harvests, collateralized borrowing liquidations, and airdrops. Each event receives an automated initial classification, mapping the inflow or outflow to relevant income, capital gain, or internal transfer buckets. Users maintain the operational capability to adjust manual classifications, add off-chain transaction context, or split multi-hop transactions when decentralized protocols execute complex composite smart contract calls across multiple asset pools.

justTRADE

justTRADE operates as a multi asset neobroker based in Frankfurt am Main, allowing users to buy and sell physical spot cryptocurrencies alongside traditional equities, exchange traded funds, and structured derivatives. Rather than offering hundreds of speculative microcap tokens, the platform curates a focused catalog of approximately 20 prominent digital assets. This list includes Bitcoin, Ethereum, Solana, Cardano, Ripple, Polkadot, Avalanche, Chainlink, and Litecoin.

Trading is executed directly in spot tokens, meaning investors buy the underlying asset rather than a contract for difference or synthetic tracker. The platform enforces a minimum trading volume per order, usually set at 50 euros for cryptocurrency transactions. Fractional trading is standard, allowing participants to acquire precise euro amounts of high value assets. The interface presents unified portfolio accounting where fiat balances, traditional shares, and crypto holdings appear within a single clear overview, eliminating the operational friction of toggling between disparate financial applications.

Subscription structures, volume limits, and report fees

Catax

Catax utilizes a tiered subscription pricing model structured around annual transaction volume thresholds, account entity types, and required reporting complexity. Because Catax operates strictly as an accounting and tax software utility rather than an exchange or broker, it charges no trading commissions, asset spreads, custody charges, or withdrawal fees. Users pay exclusively for software platform access, report generation capabilities, and data ingestion capacity. For low-volume retail filers, entry tiers provide standard capital gains and losses reports up to a fixed annual transaction count, typically starting around entry-level price brackets for straightforward single-year filings.

As an investor or business expands their on-chain activity, subscription fees scale into intermediate tiers designed for active traders who log thousands of smart contract interactions across decentralized protocols. These upper tiers unlock advanced cost basis customization, automated tax loss harvesting modules, multi-year historical data retention, and consolidated reporting across multiple affiliated wallets. For professional accounting firms, corporate treasuries, and chartered tax practitioners, Catax maintains enterprise-grade licensing packages. These business solutions incorporate multi-client management dashboards, team seat permissions, custom API throughput, and direct integration with traditional enterprise resource planning platforms such as QuickBooks or Xero. Payment for software subscriptions is processed using standard fiat payment methods alongside digital asset options depending on regional gateway availability.

justTRADE

A central selling point of the justTRADE crypto review proposition is its zero commission fee model. The broker charges zero euros in fixed order commissions or custody administration fees. Instead, trading expenses are embedded directly in the buy and sell prices through an execution spread. For standard cryptocurrency orders under regular market liquidity conditions, this spread starts at a minimum of 0.30 percent per execution, though wider spreads can occur during periods of extreme market volatility.

Account funding and withdrawals occur exclusively in fiat currency via the designated clearing account maintained at Sutor Bank in Hamburg. There are no deposit or withdrawal fees for standard SEPA bank transfers. However, a major structural limitation is that justTRADE does not support on-chain cryptocurrency deposits or external blockchain withdrawals to private hardware wallets or independent exchanges. All crypto bought on the platform must eventually be sold back into euros inside the account, which limits the platform to pure price exposure and long-term buy-and-hold strategies.

Security standards, API permissions, and privacy controls

Catax

Catax operates on a non-custodial software framework, meaning the platform never holds, manages, or requests transfer authority over user digital assets or fiat balances. Access to exchange accounts is maintained exclusively through read-only API credentials, which explicitly omit withdrawal and trading permissions. Users are advised during the connection workflow to disable fund transfer access on external exchange API dashboards before saving authorization keys in the application. For self-hosted wallets and cold storage devices, integration requires only the public ledger address or xPub master public key, keeping private keys, seed phrases, and hardware authorization completely isolated on the user side.

Platform data protection features include standard data encryption in transit using Transport Layer Security protocols and encryption at rest for stored transaction records and user profile data. Operational access controls include mandatory or optional multi-factor authentication across user logins, helping prevent unauthorized access to financial transaction histories and personally identifiable tax records. Catax enforces regional data privacy policies regarding data retention, client ledger separation, and organizational access boundaries. For accounting firms managing several distinct client portfolios, the software enforces tenant-level data segregation to prevent accidental cross-account data leakage, ensuring each corporate or individual profile remains isolated within its own encrypted ledger partition.

justTRADE

Because users cannot self-custody their private keys on justTRADE, digital asset security depends on institutional custodian Tangany GmbH, a Munich-based infrastructure provider holding a formal crypto custody license from the German Federal Financial Supervisory Authority. Tangany stores private keys using secure cold storage and certified hardware security modules, isolating private keys from continuous internet connectivity to minimize external intrusion risks.

Cash balances are held in an individual clearing account at Max Heinr. Sutor oHG, which is covered by the statutory German statutory deposit guarantee scheme up to 100,000 euros per customer. Note that this deposit protection applies strictly to fiat balances, as cryptocurrencies are explicitly excluded from statutory deposit insurance schemes. User access security requires multi factor authentication through SMS or dedicated authenticator applications, with two factor authorization mandatory for placing orders, updating personal records, and initiating fiat payouts to the linked reference account.

Jurisdictional rules, compliance support, and operational help

Catax

Catax is structured to accommodate varied tax residency standards, accounting rules, and filing guidelines across primary markets in North America, Europe, Asia, and other key financial centers. The software incorporates multiple cost basis inventory methods, allowing filers to select First-In First-Out, Last-In First-Out, Highest-In First-Out, or Weighted Average Cost based on local administrative guidelines, such as IRS rules in the United States, HMRC standards in the United Kingdom, or local inland revenue department mandates elsewhere. Generated output files include standardized capital gains schedules, income statements for staking and mining, and pre-formatted local tax forms ready for submission or handoff to a licensed tax professional.

Customer assistance is structured across self-guided technical documentation, direct email ticketing, and dedicated enterprise account managers. The knowledge base contains step-by-step connection guides for major exchanges, wallet export walkthroughs, and explanations of how specific transaction types affect cost basis calculations. For users experiencing data discrepancies or custom smart contract parsing challenges, support agents assist with ledger reconciliation and transaction re-indexing. Enterprise and accounting clients receive escalated support channels, including onboarding consultations, custom transaction parser development, and audit preparation reviews to helps support corporate financial statements reconcile accurately against on-chain block explorer records.

justTRADE

Account opening at justTRADE is subject to specific geographic and regulatory requirements. Applicants must be at least 18 years old, maintain primary tax residency in Germany, and hold a valid German bank account as a reference account. Identity verification is conducted digitally using video identification procedures compliant with German anti-money laundering legislation, requiring a valid national identity card or biometric passport.

Customer support is available in German and English, primarily managed through structured online ticketing, email inquiry channels, and an organized self-service knowledge base. Phone support is generally reserved for urgent administrative account blocking rather than routine order guidance. Platform availability remains high across desktop browsers and native mobile applications for iOS and Android, operating with standard continuous trading hours for cryptocurrencies seven days a week, subject to brief technical maintenance windows.

Cost basis methods and tax calculation scenarios

Catax

The choice of cost basis method within Catax directly affects reported capital gains and allowable tax deductions. When applying First-In First-Out, the engine matches disposals against the oldest acquired assets, which can result in larger realized gains during extended bull markets. Selecting Last-In First-Out or Highest-In First-Out pairs sell orders with more recently acquired or higher cost lots, potentially reducing short-term net gains depending on regional legal allowances. The software dynamically calculates how transfers between personal self-custody wallets are treated, ensuring un-taxable wallet-to-wallet transfers are identified correctly and excluded from taxable disposal summaries.

justTRADE

To evaluate the realistic expense profile of trading on justTRADE, consider an investor executing a 1,000 euro purchase of Bitcoin. With zero fixed ticket fees and a baseline spread of 0.30 percent, the execution cost is approximately 3.00 euros built directly into the quotation. Selling the same position under comparable market conditions entails another 0.30 percent spread cost.

Over a full round-trip trade without monthly custody charges, the total cost amounts to approximately 6.00 euros. This compares favorably against traditional brick-and-mortar brokerage houses that often add ticket fees of 10 euros or more per transaction, although active day traders may find high-volume international spot exchanges offer tighter raw liquidity spreads on major trading pairs.

Who it suits

Catax

Catax is well suited for digital asset investors, decentralized finance traders, Web3 business operations, and certified accounting professionals who need comprehensive transaction reconciliation without sharing custody of their funds. It fits users managing multiple wallets across various blockchains who require structured cost basis tracking, automated income categorizations, and formal tax schedules aligned with regional tax requirements.

It may be less suitable for casual cryptocurrency holders with only two or three basic centralized exchange trades per year who can easily document transactions manually, or for users seeking direct execution and portfolio trading features inside a single brokerage application.

justTRADE

justTRADE is best suited for Germany-based investors who want a single regulated account to hold both traditional equities and core cryptocurrencies without managing private seed phrases. It is an appealing choice for passive retail savers who prioritize German banking regulation and simplified tax documentation. It is not suitable for active crypto enthusiasts who require on-chain transfers, NFT trading, staking participation, or access to deep altcoin markets.

Catax

justTRADE

Catax

Catax provides automated crypto tax calculation, blockchain forensic auditing, and portfolio tracking across centralized exchanges, DeFi protocols, and Web3 wallets, catering to individual crypto filers, corporate treasuries, and …

justTRADE

justTRADE is a German online broker providing zero commission spot cryptocurrency trading alongside traditional securities, featuring integrated German bank custody, fixed spread execution models, and regulated oversight through …

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