21bitcoin vs OKX Comparison
| 0.79 % | Fees | 0.35 % |
| € 7.90 | Cost for €1,000 | € 1.10 |
| 1 | Cryptos | 270+ |
| SEPA Instant Transfer, SEPA Transfer | Payment Methods | Deposits: SEPA / SEPA Instant, Open Banking, Credit Card and PayPal Express purchases: PayPal, Google Pay, Apple Pay and Credit Card |
| Licensed as a virtual currency service provider according to FM-GwG §32a Para. 2 by the Financial Market Authority of Austria | Regulation | MiCA license |
Pros & Cons
- Transparent fees from 0.79% with no ongoing account charges
- Withdrawals to your own wallet at a flat fee of 0.00001 BTC
- Automatic transfer to your own wallet above defined thresholds
- Savings-plan standing orders are invested in Bitcoin as soon as they arrive
- FMA-licensed as a virtual asset service provider in Austria
- Bitcoin only – the lack of altcoins is criticised by some users
- Two-factor authentication needs work, according to users
- The €15 minimum order is higher than at some competitors
- MiCA license available – EU-regulated via OKX Europe Ltd (Malta)
- Trading fees of 0.35 % are considered low
- Total costs of just 1.10 € per trade
- Proof of reserve is provided
- Wide range of payment methods: SEPA, PayPal, credit card, Apple Pay, Google Pay
- Recurring savings plan via DCA Bot and staking available
- Selection of 270+ cryptocurrencies is room for improvement compared with some competitors
- KYC process with eID and photo ID is occasionally criticized as time-consuming
Score Comparison
User Experiences
AI AnalysisUser reviews paint a broadly positive picture of 21bitcoin. What owners value most is the clean, intuitive app and how easy it is to use, while individual voices see room for improvement on fees and on the feature set.
According to the analyzed user reviews, OKX is mentioned by many users for its intuitive app, easy usability, and wide range of coins. At the same time, users also report critical experiences with support, as well as occasionally with blocked accounts or blocked withdrawals.
This analysis is based on 257 user reviews analysed by AI from the Apple App Store, Trustpilot and the Google Play Store. The total number of reviews on each platform may be higher — the platform ratings (star ratings) shown refer to all reviews available there. The ratings displayed reflect users' experiences and do not represent the site operator's own assessment. All information without guarantee. As of: March 2026. This comparison does not constitute investment advice.
Features
| ✓ | Savings plan | ✓ |
| ✓ | Staking | ✓ |
| ✓ | Wallet transfer | ✓ |
| ✓ | Automatic wallet transfer | ✓ |
| ✓ | Credit card payment | ✓ |
| ✓ | FMA regulation (Austria) | ✓ |
| ✓ | Web platform | ✓ |
| ✓ | Mobile app (iOS/Android) | ✓ |
| ✓ | SEPA instant transfer | ✓ |
| ✓ | Recurring savings plan | ✓ |
| ✓ | Cost transparency | ✓ |
| ✓ | 2FA security | ✓ |
| ✓ | Anti-phishing code | ✓ |
| ✓ | Passkey login | ✓ |
| ✓ | Wallet whitelist | ✓ |
- Automatic transfer to your own wallet above set amounts
- FMA-regulated and based in Austria
- Fees from 0.79% with full cost transparency
- Deposits via SEPA and SEPA instant transfer
- One of the first exchanges with a MiCA license in the EU
- Total costs of 1.10 € are considered particularly low
- Proof of reserve available for transparency
- Express purchases via PayPal, Apple Pay, and Google Pay possible
- Minimum investment from just 1 €
Details
| FIOR Digital GmbH | Company | OKX Europe Ltd |
| 2021 | Founded | 2017 |
| Licensed as a virtual currency service provider according to FM-GwG §32a Para. 2 by the Financial Market Authority of Austria | Regulation | MiCA license |
| € 15 | Minimum Amount | ~$10 USD |
| Photo ID | KYC | eID, Photo ID |