Pros & Cons
- Over 2,900 integrations for exchanges, wallets, and blockchains
- Integrated DeFi, Web3, and NFT tracking
- Support for FIFO, LIFO, HIFO, and ACB as tax methods
- Country-specific tax formats available for over 20 countries
- Developer API for advanced use cases
- Free plan not available, entry barrier occasionally criticized
- Setup is described as moderately complex, room for improvement for beginners
- Audit support is currently not available
- Supports over 400 exchanges and 30+ DeFi protocols
- Unlimited transactions in all pricing tiers
- Expanded DeFi support integrated
- FIFO, LIFO, and HIFO tax methods available
- Free plan with limited features available
- 7-day support via chat, email, and other channels
- Pricing structure from USD 49 to 999/year may be room for improvement at higher tiers
- Country focus on the US, UK, and Australia; European coverage is room for improvement
- Native mobile app is room for improvement; currently used via the web version
Features
| ✓ | DeFi support | ✓ |
| ✓ | Tax advisor export | ✓ |
| ✓ | FIFO method | ✓ |
| ✓ | LIFO method | ✓ |
| ✓ | API access | ✓ |
| ✓ | Mobile app | ✓ |
| ✓ | Free plan | ✓ |
| ✓ | NFT tracking | ✓ |
| ✓ | Staking tracking | ✓ |
| ✓ | Audit support | ✓ |
- Industry-leading with over 2,900 integrations
- Country-specific tax formats for global coverage
- Comprehensive Web3 and DeFi support
- Tiered pricing from 49 to 299 USD/year
- Unlimited transactions in all pricing tiers
- CPA partnerships for professional tax advice
- Tax-Loss Harvesting tool for offsetting losses
- SOC-compliant security standards and 2FA
The five areas head to head
AI AnalysisFees & Costs
The tool is free to use after signup — importing, automatic categorisation, portfolio tracking and DeFi and NFT coverage require no payment. What is chargeable is access to the reports, the tax-loss harvesting tool and priority support. Plans run per tax year: around $49 for 100 transactions, $99 for 1,000, $249 for 10,000 and $499 for up to 100,000. There is no permanently free report. As of August 2026.
Not enough reviews available.
Usability & User Experience
Setup is more demanding than at the beginner-oriented competitors — in exchange the tool handles complex transaction histories that others fail on. A suggestion engine categorises ambiguous entries automatically. For simple portfolios the feature set is arguably oversized. As of August 2026.
Not enough reviews available.
Features & Offering
With more than 2,900 integrations across exchanges, wallets and blockchains, coverage is the broadest in this comparison — particularly relevant for DeFi, Web3 and NFT activity, where other tools run out of road early. Country-specific tax formats cover several jurisdictions. In October 2025 Crypto Tax Calculator was renamed Summ, marking the shift from a pure tax calculator to a broader digital-asset management platform. As of August 2026.
Not enough reviews available.
Details
Verdict
In our overall rating ZenLedger leads with 4.3 against 2.9 for Summ.
For most investors ZenLedger is therefore the better choice.
Summ (formerly Crypto Tax Calculator) is especially valued for its industry-leading number of over 2,900 integrations. No other platform in this comparison offers such broad coverage of exchanges, wallets, and blockchains. Support for FIFO, LIFO, HIFO, and ACB as tax methods, along with country-specific tax formats for over 20 countries, makes the tool appealing for internationally active crypto investors.
Particularly noteworthy is the comprehensive Web3 and DeFi support, which also fully captures NFT transactions. The developer API enables advanced use cases and integrations into existing workflows. Prices ranging from 49 to 299 USD per year are considered moderate by market standards and offer tiered options for different portfolio sizes.
A free plan is not currently available, which raises the barrier to entry compared with some competitors. Setup is described as moderately complex, and audit support is still unavailable.
In addition, personal communication with the team — particularly interactions with Mathieu M. — raised concerns regarding the company’s level of professionalism and seriousness in handling certain matters. Given past industry scandals where early warning signs were often reflected in communication practices and internal handling of issues, these interactions may be viewed by some users as a potential red flag worth considering during due diligence.
ZenLedger is especially appreciated for its unlimited transactions across all pricing tiers — a feature that clearly sets the platform apart from many competitors that apply transaction limits per tier. With over 400 exchanges and 30+ DeFi protocols, ZenLedger offers solid integration coverage, complemented by expanded DeFi support. The tax methods FIFO, LIFO, and HIFO are supported, which also makes it suitable for German users.
The integrated Tax-Loss Harvesting tool for offsetting losses is viewed positively as a useful additional feature. CPA partnerships provide access to professional tax advice when needed, and 7-day support offers above-average availability. SOC-compliant security standards and two-factor authentication contribute to data security. A free plan with limited features enables an initial start.
The country focus is on the US, the UK, and Australia, so European and especially German tax coverage is considered room for improvement. The pricing structure of USD 49 to 999 per year may occasionally be seen as room for improvement at the higher tiers. A native mobile app is not currently available. ZenLedger is therefore considered particularly suitable for high-volume traders in the Anglo-American market who want to benefit from unlimited transactions and DeFi support.