21bitcoin vs XTB Comparison
In our overall rating XTB leads with 4.5 out of 5 points, ahead of 21bitcoin with 4.0. If you care most about usability, fees, and support, 21bitcoin has the better sub-scores, and the two are level in the other areas. XTB has been on the market longer, founded in 2002, while 21bitcoin followed in 2021.
| 1.29 to 1.49 % | Fees | 0% commission on crypto Contracts for Difference; costs apply through spreads and swap fees. |
| € 12.90 | Minimum cost per €1,000 | Not comparable (spread-based) |
| 1 | Cryptos | 30+ crypto Contracts for Difference |
| SEPA Instant Transfer, SEPA Transfer | Payment Methods | SEPA/bank transfer (free), credit/debit card, PayPal (0.85% fee); card fees vary by country |
| MiCAR authorisation of FIOR Digital GmbH as a crypto-asset service provider from the Austrian FMA since 27 November 2025 | Regulation | Regulated by the KNF (Poland), CySEC (Cyprus), FCA (UK) and others; locally supervised through its EU branches |

Cost comparison
The basis is a Bitcoin purchase worth €1,000, calculated from the disclosed trading fee. A price markup in the spread is not included, because most providers do not publish it.
| € 12.90 | Minimum cost per €1,000 | Not comparable (spread-based) |
| 1.29 to 1.49 % | Fees | 0% commission on crypto Contracts for Difference; costs apply through spreads and swap fees. |
| 1,000 sats | Wallet transfer | - |
| Yes | Cost transparency | Variable spreads |
| € 10 | Minimum Amount | 0 € (no minimum deposit) |
| SEPA Instant Transfer, SEPA Transfer | Payment Methods | SEPA/bank transfer (free), credit/debit card, PayPal (0.85% fee); card fees vary by country |
Pros & Cons
- 0% service fee in the savings plan from day 8 onwards, with purchases hourly, daily, weekly, every two weeks or monthly
- Instant purchases at a 1.49% service fee, 1.29% with a referral code, with no ongoing account charges
- Euro deposits, account management and Bitcoin custody cost €0, deposits also via SEPA instant transfer
- Limit orders at a target price and variable interest of 1.21% p.a. on the euro balance, paid in Bitcoin on request
- Withdrawals to your own wallet at a flat fee of 0.00001 BTC, automatically once a set balance is reached if you wish
- MiCAR authorisation from Austria’s FMA for FIOR Digital GmbH, decision of 27 November 2025; cold-wallet custody via BitGo Europe GmbH, which holds a MiCAR authorisation from BaFin
- Bitcoin only, the lack of altcoins is criticised by some users
- The 0% in the savings plan only applies from day 8; the first seven days cost 0.99% (0.79% with a referral code)
- Limit orders and instant sales cost 1.49%, a euro withdrawal €1
- Two-factor authentication needs work, according to users
- The €10 minimum order is higher than at some competitors

- Broad multi-asset offering: more than 40 crypto Contracts for Differences plus more than 12,800 instruments across stocks, ETFs, forex, commodities and indices
- Long and short crypto positions with leverage up to 1:2, plus stop-loss and take-profit
- 0% commission on real stocks and ETFs up to €100,000 in monthly trading volume
- Established, publicly listed broker with 20+ years of history and multi-regulator oversight
- Locally regulated European branches with support in the local language, plus extensive educational resources
- Crypto is offered only as Contracts for Differences: no option to buy and hold real coins, so XTB suits traders seeking price exposure rather than investors wanting to own and withdraw crypto
- Because positions are Contracts for Differences, transferring crypto to a personal wallet isn't possible (expected for this product type, but a limitation if self-custody is your goal)
- 77% of retail investor accounts lose money when trading CFDs with XTB Limited (EU); at XTB UK the figure is 74%
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, the overall picture of XTB is mixed. Users particularly appreciate the clear, easy-to-understand interface; however, in terms of support, fees, and technical reliability, users occasionally report critical experiences.
Provider details (fees, licences, pros and cons) editorially reviewed: November 2026. This analysis is based on 608 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
| available | Savings plan | available |
| not available | Staking | not available |
| available | Wallet transfer | not available |
| available | Automatic wallet transfer | not specified |
| not available | Credit card payment | not specified |
| available | FMA regulation (Austria) | not specified |
| not available | Web platform | not specified |
| available | Mobile app (iOS/Android) | not specified |
| available | SEPA instant transfer | not specified |
| not specified | Card | available |
| not specified | Futures trading | not available |
| not specified | Copy trading | not available |
| not specified | Tax export | available |
| not specified | Demo mode | available |
| not specified | Education area | available |
- Automatic transfer to your own wallet above set amounts
- FMA-regulated and based in Austria
- Service fee of 1.49% on instant purchases, 1.29% with a referral code, 0% in the savings plan from day 8
- Deposits via SEPA and SEPA instant transfer
- Limit orders and 1.21% p.a. interest on the euro balance

- More than 20 years on the market and over 2.9 million customers
- Interest on uninvested balances in different currencies
- XTB Card and payment account as additional features for private customers
- New: more than 180 options on US stocks and ETFs
The five areas head to head
AI AnalysisFees & Costs
On fees and costs the picture is mixed. Users describe the pricing as fair, though some point to costs they consider high. A few also note that the tax side has to be organised by the user, and that the resulting tax burden feels heavy.

When it comes to fees, the user picture is rather critical: according to reviews, the fee structure is occasionally perceived as high, while some users rate the value for money positively.
Usability & User Experience
Reviewers frequently describe the app as intuitive, uncluttered and self-explanatory, and ease of use is the single most praised aspect. A few users report problems getting into their account, but overall usability comes across positively.

Users mostly describe the app as clear, well structured, and easy to use. Verification is perceived by some users as quick, which makes getting started easier. In some cases, the registration process is described as confusing.
Features & Offering
The savings plan is the feature users appreciate most. At the same time they ask for more in several places: additional coins, more savings-plan options, price notifications and a wallet inside the account. Limit orders and weekly savings plans, which some reviews ask for, are now part of the offer according to 21bitcoin.

From the users’ perspective, there is above all a wish for expanded features: more indicators, a risk-reward ratio, and more flexibility when moving charts and setting take-profit/stop-loss. Some users also want partial closing of positions, a clearer presentation, and continuous trading around the clock.
Stability & Security
On stability and reliability, users mostly report trouble-free day-to-day use and describe the app as dependable. Access issues come up occasionally and are the one area some users would like to see improved.

Regarding stability and reliability, users repeatedly mention technical weaknesses of the app in their reviews. App stability is occasionally described as room for improvement, for example in the display of charts and indicators. Some users also mention a chart display that is sometimes unclear.
Customer Support
Support is frequently described as fast, with users reporting prompt replies. Individual contact channels are occasionally seen as having room for improvement.

In terms of support, users repeatedly describe accessibility as room for improvement; in some cases, missing responses are mentioned. The payout process is also criticized in individual reports. Overall, customer service is rated rather cautiously according to user reviews.
Details
| FIOR Digital GmbH | Company | XTB S.A. |
| 2021 | Founded | 2002 |
| MiCAR authorisation of FIOR Digital GmbH as a crypto-asset service provider from the Austrian FMA since 27 November 2025 | Regulation | Regulated by the KNF (Poland), CySEC (Cyprus), FCA (UK) and others; locally supervised through its EU branches |
| € 10 | Minimum Amount | 0 € (no minimum deposit) |
| Photo ID | KYC | Photo ID, fully digital verification |
Verdict
In our overall rating XTB leads with 4.5 against 4.0 for 21bitcoin.
For most investors XTB is therefore the better choice.
21bitcoin has established itself as an Austrian Bitcoin app across German-speaking Europe and deals exclusively in Bitcoin. On instant purchases the provider charges a service fee of 1.49%, or 1.29% with a referral code; limit orders and instant sales cost 1.49%, and OTC orders from €100,000 cost 0.49% to 0.99%. In the savings plan no service fee applies from day 8 onwards, while the first seven days cost 0.99%. According to 21bitcoin, euro deposits, account management and Bitcoin custody are free of charge; a euro withdrawal costs €1.
Austria’s Financial Market Authority (FMA) granted FIOR Digital GmbH authorisation as a crypto-asset service provider under Article 63 of the EU’s MiCAR regulation by decision of 27 November 2025, so a clearly identifiable European supervisor stands behind the app. Customer Bitcoin is kept separate from the company’s own holdings; the cold-wallet keys are held by BitGo Europe GmbH, which itself holds a MiCAR authorisation from BaFin.
The savings-plan approach is refreshingly uncomplicated: purchases run hourly, daily, weekly, every two weeks or monthly from the euro balance, and the flat wallet-transfer fee of 0.00001 BTC is widely seen as fair. Users single out the automatic transfer to a personal wallet above defined thresholds as a genuinely useful security feature. 21bitcoin now also offers limit orders at a target price and variable interest of 1.21% p.a. on the euro balance; the interest is granted by Volksbank Raiffeisenbank Bayern Mitte eG, and 21bitcoin converts it into Bitcoin free of charge on request.
Because Bitcoin is the only asset on offer, 21bitcoin is not aimed at investors who want a broad crypto portfolio, a limitation some users do point out. Two-factor authentication in the app and the €10 minimum order are also seen as leaving room for improvement. That makes 21bitcoin a good fit for Bitcoin-focused investors in German-speaking Europe who save regularly and care about automatic wallet transfers and Austrian regulation.
XTB stands out as an established, publicly listed multi-asset broker with more than 20 years of market experience and over 2.9 million clients. Its main strengths are a clear, easy-to-use interface and an unusually broad offering of more than 12,800 instruments, including more than 40 crypto Contracts for Differences alongside real stocks, ETFs, forex and commodities. The 0% commission on stocks and ETFs up to €100,000 in monthly volume, the XTB card and payment account, locally regulated European branches with support in the local language, and the depth of educational material all add to its appeal.
The key thing to understand is how XTB offers crypto: as Contract for Differences rather than as actual coins. That's a deliberate product design, not a defect: Contracts for Differences let you go long or short with leverage and built-in risk controls. But it does mean you never own the underlying crypto and can't move it to a personal wallet. For real crypto assets, the Cypriot entity XTB Limited has held a MiCA authorisation from CySEC since December 2025; XTB S.A., which serves clients in Germany, France and Spain among others, still offers crypto as Contracts for Differences. If your goal is self-custody or long-term holding of real coins, a dedicated crypto platform fits better; if you want regulated, flexible price exposure within a single multi-asset account, XTB's approach is a sensible match. Some users also note room for improvement in support responsiveness and app stability.
Overall, XTB is best suited to investors who want a regulated, broadly positioned broker with locally supervised European branches, strong stock and ETF conditions, and integrated crypto Contracts for Differences trading, and who value a simple, clear and intuitive interface over direct crypto ownership.
**Contracts for Differences are complex instruments and come with a high risk of losing money rapidly due to leverage. 77% of retail investor accounts lose money when trading CFDs with the EU entity XTB Limited, and 74% with XTB UK. You should consider whether you understand how Contracts for Differences work and whether you can afford to take the high risk of losing your money.
