21bitcoin vs Relai Comparison

21bitcoin
21bitcoin
4.0of 5
Go to 21bitcoin
vs
Relai
Relai
Winner
4.2of 5
Go to Relai
0.79 %Fees0.9 %
€ 7.90Cost for €1,000€ 9.00
1Cryptos1
SEPA Instant Transfer, SEPA TransferPayment MethodsSEPA Transfer, Instant SEPA (EU), Credit Card, Apple Pay, Google Pay
Licensed as a virtual currency service provider according to FM-GwG §32a Para. 2 by the Financial Market Authority of AustriaRegulationVirtual Asset Service Provider (VASP) in Switzerland and MiCAR license applied for

Pros & Cons

21bitcoin
21bitcoin
Pros
  • 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
Cons
  • 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
21bitcoin Reviews
Relai
Relai
Pros
  • 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
Cons
  • 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
Relai Reviews

Score Comparison

4.4Usability4.3
4.4Features4.3
4.3Fees4.2
4.4Stability3.8
4.4Support4.1

User Experiences

AI Analysis
4.8
App Store
4.6
4.9
Google Play
4.2
4.8
Trustpilot
4.0
21bitcoin
21bitcoin

User 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.

Relai
Relai

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 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

21bitcoinRelai
Savings plan
Staking
Wallet transfer
Automatic wallet transfer
Credit card payment
FMA regulation (Austria)
Web platform
Mobile app (iOS/Android)
SEPA instant transfer
Self-custody wallet
VASP license (Switzerland)
Hardware wallet support
21bitcoin
21bitcoinHighlights
  • 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
Relai
RelaiHighlights
  • 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

Details

21bitcoinRelai
FIOR Digital GmbHCompanyRelai AG (CH) / Relai EU SASU (EU)
Headquarters&
2021Founded2020
Licensed as a virtual currency service provider according to FM-GwG §32a Para. 2 by the Financial Market Authority of AustriaRegulationVirtual Asset Service Provider (VASP) in Switzerland and MiCAR license applied for
€ 15Minimum Amount€ 50
Photo IDKYCPhoto ID, NFC passport verification