BISON vs Relai Comparison
| 1.25 % | Fees | 1 % |
| € 12.50 | Minimum cost per €1,000 | € 10.00 |
| 71 | Cryptos | 1 |
| SEPA transfer, SEPA Instant transfer, credit card (Visa, Mastercard), Apple Pay, Google Pay (card and wallets: 2.49%) | Payment Methods | Instant SEPA transfer, credit and debit card (Visa, Mastercard), Apple Pay, Google Pay |
| MiCAR licence from BaFin: EUWAX AG for crypto trading (since 1 April 2025), Boerse Stuttgart Digital Custody GmbH for custody (since 17 January 2025) | Regulation | MiCA licence (CASP) from the French AMF since 23 Oct 2025 (no. A2025-006), passported across the EU incl. Germany, Austria and Spain. Switzerland: Relai AG is a member of the SRO VQF |
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 A price markup in the spread is not included, because most providers do not publish it.
| € 12.50 | Minimum cost per €1,000 | € 10.00 |
| 1.25 % | Fees | 1 % |
| € 0 | Wallet transfer | € 0 (Bitcoin network fee only, variable) |
| Yes | Cost transparency | Yes |
| € 0.01 | Minimum Amount | € 50 |
| SEPA transfer, SEPA Instant transfer, credit card (Visa, Mastercard), Apple Pay, Google Pay (card and wallets: 2.49%) | Payment Methods | Instant SEPA transfer, credit and debit card (Visa, Mastercard), Apple Pay, Google Pay |
On disclosed fees you pay €2.50 less at Relai per €1,000 purchase.
Pros & Cons
- More than 70 cryptocurrencies tradable, plus over 2,500 stocks and ETFs
- Crypto custody by the BaFin-regulated Boerse Stuttgart Digital Custody GmbH
- Transfers to your own wallets are free of charge
- Staking and savings plans available
- Tax report offered as an added feature
- Deposits via SEPA, SEPA instant transfer and credit card
- Entry from as little as €1
- The proportional spread averages 1.25 % on Bitcoin and Ethereum and 1.75 % on all other cryptocurrencies
- SMS-based two-factor authentication; stronger methods would be welcome
- Processing times of up to 24 hours for wallet transfers are occasionally criticised
- Self-custody wallet directly in the app – Bitcoin is held in your own wallet
- Savings plan available for weekly or monthly Bitcoin purchases
- Wallet transfer to your own and external wallets (incl. hardware wallets) possible
- VASP license in Switzerland and MiCAR application submitted
- Deposits via SEPA bank transfer and credit card
- Only Bitcoin tradable – altcoin selection occasionally criticized by users
- Minimum amount of 50 € is room for improvement compared with other providers
- Setup of external wallet transfers, according to users, is room for improvement
Score Comparison
User Experiences
AI AnalysisUsers generally describe BISON in the evaluated user data as easy to understand and clear. In particular, the intuitive and easy-to-use app is frequently praised in reviews, while fees, support, and the selection of coins are seen more critically by users.
According to the analyzed user data, Relai is frequently praised by users for its intuitive and clear app. At the same time, users occasionally report hurdles with support, verification, and individual app launches, so the overall experience varies depending on the usage situation.
This analysis is based on 707 user reviews evaluated by AI from the Apple App Store, Trustpilot, and Google Play Store. The total number of reviews on the respective platforms may be higher — the platform ratings (star ratings) shown refer to all reviews available there. The reviews shown reflect users’ experiences and do not represent the site operator’s own assessment. All information is provided without guarantee. As of: March 2026. This comparison does not constitute investment advice.
Features
| ✓ | Savings plan | ✓ |
| ✓ | Staking | ✓ |
| ✓ | Wallet transfer | ✓ |
| ✓ | Credit card payment | ✓ |
| ✓ | BaFin-regulated custodian | ✓ |
| ✓ | Web platform | ✓ |
| ✓ | Mobile app (iOS/Android) | ✓ |
| ✓ | Tax report | ✓ |
| ✓ | SEPA instant bank transfer | ✓ |
| ✓ | Self-custody wallet | ✓ |
| ✓ | VASP license (Switzerland) | ✓ |
| ✓ | Hardware wallet support | ✓ |
- Powered by Börse Stuttgart with many years of capital markets experience
- Free wallet transfer to your own wallets
- Tax report for crypto tax filing
- BaFin-regulated crypto custody
- Bitcoin-only approach with self-custody directly in the app
- Savings plan with automatic transfer to your own wallet or hardware wallet
- Swiss company with VASP license and MiCAR application
- Relai Private from 100.000 CHF/EUR and Relai Business for companies
The five areas head to head
AI AnalysisFees & Costs
When it comes to fees and costs, users report criticism comparatively often. According to reviews, the fees and spread are repeatedly described as high. Especially among price-conscious users, this area is therefore perceived rather critically in the user data.
When it comes to fees and costs, the user data paints a mixed picture. Some users describe Relai as cost-effective, while others rate the fees as high. Overall, opinions on the costs differ clearly.
Usability & User Experience
Users mainly report a clear design and an intuitive app with BISON. According to reviews, the platform is often described as easy to use, user-friendly, and self-explanatory. Some users mention annoying notifications and report that verification does not always go smoothly.
Users particularly appreciate Relai’s intuitive app, which in many reviews is described as clear and easy to use. According to reviews, getting started also works without much prior knowledge, which stands out positively, especially in everyday use. Occasionally, however, users report that the app does not open directly.
Features & Offering
According to reviews, users are rather reserved about BISON’s offering, mainly because of the limited coin selection. Many users would like to see more coins or cryptocurrencies; additionally, an API for Blockpit, staking, savings plans, as well as an iPad or Mac version are mentioned occasionally.
In the analyzed user reviews, some users would like dark mode, automatic orders, tax documents, or a settlement account. In addition, precautionary transfers, coins on the homepage, and more coins are mentioned. Overall, the feedback on features mainly relates to such additional requests.
Stability & Security
In terms of stability and reliability, many users are generally positive about BISON. According to reviews, the app is repeatedly described as reliable. However, some users report app crashes, so from the perspective of individual reviews the technical reliability still has room for improvement.
Regarding stability and reliability, individual reviews report that the app does not start, cannot be opened, or crashes. Overall, this area is occasionally criticized by users.
Customer Support
When it comes to support, users report mixed experiences in the reviews, but overall rather critical ones. There is repeated mention of no support or long response times, which is why some users describe customer service as room for improvement. Support is also occasionally mentioned critically in connection with delays around withdrawals.
According to reviews, the sentiment around support is rather critical. While competent service is mentioned occasionally, users also criticize in some cases that support is not reachable or that responses take a long time. Overall, users report mixed experiences with support.
Details
| EUWAX AG | Company | Relai AG (CH) / Relai EU SASU (EU) |
| — | Headquarters | & |
| 2019 | Founded | 2020 |
| MiCAR licence from BaFin: EUWAX AG for crypto trading (since 1 April 2025), Boerse Stuttgart Digital Custody GmbH for custody (since 17 January 2025) | Regulation | MiCA licence (CASP) from the French AMF since 23 Oct 2025 (no. A2025-006), passported across the EU incl. Germany, Austria and Spain. Switzerland: Relai AG is a member of the SRO VQF |
| € 0.01 | Minimum Amount | € 50 |
| eID, VideoIdent | KYC | ID card or passport (with MRZ), NFC chip scan, selfie |
Verdict
In our overall rating Relai leads with 4.2 against 2.5 for BISON.
On disclosed fees you pay €2.50 less at Relai per €1,000 purchase.
For most investors Relai is therefore the better choice.
BISON is the crypto app of Börse Stuttgart and is perceived in the DACH region as a provider with a traditional capital markets background. Crypto custody is handled by Boerse Stuttgart Digital Custody GmbH, which is regulated by BaFin. With 26 tradable coins, the selection is clearly limited compared with specialized crypto exchanges.
As one of the few offerings among German brokers, BISON allows free wallet transfers to your own wallets. Staking, savings plans, and an integrated tax report are also available. Deposits are possible via SEPA, instant bank transfer, and credit card.
The trading fees of 1.25 % are in the upper range of the brokers compared and are occasionally criticized by users. The exclusively SMS-based 2FA and the processing time for wallet transfers of up to 24 hours are also seen as room for improvement. Overall, BISON is aimed at investors who prefer an established German provider and are willing to accept trade-offs in fees and coin selection.
Relai has established itself in the DACH region as one of the best-known Bitcoin-only apps and is especially appreciated by the Bitcoin community. The Swiss company follows a consistent self-custody approach: Bitcoin is held directly in the in-app wallet, and transfers to external wallets — including hardware wallets — are possible. With a VASP license in Switzerland and an ongoing MiCAR license application, Relai is considered to be on solid regulatory footing.
The savings plan functionality is particularly valued, enabling automatic Bitcoin purchases with direct transfer to your own wallet or a hardware wallet. For investors who see Bitcoin as a long-term store of value and place importance on self-custody, Relai is regarded as one of the most accessible solutions. Fees of 0.9 % are in the mid-range of the brokers compared.
Since only Bitcoin can be traded, Relai is not suitable for investors interested in altcoins — something occasionally criticized by some users. The minimum amount of 50 € and the setup of external wallet transfers are also seen as room for improvement. Relai is therefore especially suited to Bitcoin-focused investors who want to combine self-custody and automated saving with Swiss regulation.