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21.com Review & Overview
21.com is a crypto-focused casino and sportsbook combining sports betting with slots, live dealer games, crash games and instant-win challenges.
The site was launched in late 2026 by SkyHigh Innovations Ltd and mixes a huge casino and games library with solid choice of sports betting markets both pre-match and in-play.
21.com is leading the way with a new interactive betting assistant known as the 21 Sidekick, which provides quick market access, promotions and the ability to choose value bets and multis.
New customers can use the 21.com promo code NEWBONUS promo code when joining to get a 50% first deposit sports match up to $500 or a casino welcome package worth up to $5,000 plus 100 free spins.
21.com Verdict
21.com is an ideal choice for crypto users looking for a new sports betting and casino site with generous promotions and bonuses.
The sportsbook’s most unique feature is the 21 Sidekick, an interactive assistant that highlights live events, upcoming fixtures and boosts. It also has Pick For Me and Wild Multi functions to add a different way to wager on the day's sports.
The lack of a mobile app for download from Apple’s App Store or Google Play is the only negative, although a home screen app can be downloaded from the site.
Pros & Cons
- Separate sports and casino welcome bonuses.
- Extensive range of sports betting markets across major sports.
- 21 Sidekick assistant with event information and ability to generate selection.
- Slots and live games include some of the biggest games on the market.
- Range of cryptocurrencies for deposit and withdrawals.
- Not available in every country.
- No App Store or Google Play download, only via the 21.com site.
- Withdrawal times depend on verification, processing and network conditions.
Sportsbook
21.com's sportsbook isn't as comprehensive as other more established brands but it does covers major international sport including football and US sports the main focus.
The depth of both pre-match and live in-play markets is good, particularly when it comes to football with impressive coverage for the English Premier League, UEFA Champions League, La Liga, Serie A, Bundesliga and other major domestic and international competitions.
Markets include match result, both teams to score, over/under goals, corners, bookings, team totals and player-performance selections such as goals, assists, cards and shots.
US Sports are another big part of the 21 sportsbook with NBA, NFL, MLB, NHL and MLS all well stocked when it comes to daily markets and odds.
Other sports with in-depth coverage include Tennis, Golf, Formula One, MotoGP, Cycling, Boxing, MMA, UFC, Cricket, Rugby, Table Tennis, Snooker, Darts, Volleyball and Esports.
In-play betting is available on a number of the major sports including soccer, basketball, tennis, cricket and more.
21 Sidekick
21 Sidekick is one of the key features within the sportsbook and acts as an interactive assistant to give you quick access to markets, events or produce best for you.
Similar to a ChatBot, it is designed to provide information about current boosts on offer, odds for live games happening and access to upcoming fixtures as well as Pick For Me and Wild Multi selections.
The Sidekick is largely a navigational tool to get quick links to the questions you have without the need to browse the site, but it also has a feature to put together bets you like to place.
Pick For Me and Wild Multi are the selection tools that produce a suggested wager, combined selections with multi odds and value bets based on events of your choosing.
Casino
The 21.com Casino combines slots, instant games, live dealer tables and game shows from established suppliers including Pragmatic Play, Hacksaw Gaming, Evolution, Nolimit City and Spribe.
Thousands of slots games are available and they include Sugar Rush, Gates of Olympus, Big Bass Bonanza, Sweet Bonanza and Fortune Tiger among others.
An excellent range of Crash & Instant Games are part of the offering and feature Aviator, JetX, Mines, Limbo, Dice, Chicken Road, Wheel and Plinko.
The live casino offers dealer-hosted games around the clock, with variants of Blackjack, Roulette, Baccarat and Wheel games.
Game Shows, meanwhile, span popular titles such as Crazy Time, Monopoly, Mega Wheel, Bingo, Crazy Balls and Ice Fishing.
21.com Mobile App
21.com supports mobile access on iOS and Android, but there is no app-store download available yet.
Instead, you need to use the “Download App” section to add the site to your device’s home screen. The website can also be accessed directly through a mobile browser.
The mobile version provides access to the sportsbook and live betting, slots, crash and instant games, live dealer tables and all promotions and rewards.
Deposits & Withdrawals
21.com is built around cryptocurrency banking and there are a number of supported coins including Bitcoin, Ethereum, Tether, Litecoin, Ripple, Tron, Dogecoin, Polygon and Solana.
Although the site is crypto-only, depending on location you may be able to purchase cryptocurrency using Visa, Mastercard, Neteller, Skrill or Interac, which are the fiat options.
Customer Service
Customer support is available 24/7 for queries on your account. Use the following methods to contact the team:
- Live Chat - Available via the website
- Help Center - Betting guides, account information and FAQs
- Telegram - Join the community for instant answers
- Social Media - X, Instagram, Whatsapp
21.com FAQs
- Who operates 21.com?
The supplied operator is SkyHigh Innovations Ltd, with Anjouan licence number ALSI-202511047-FI2.
- What is the 21.com welcome bonus?
The sports offer is a 50% first deposit match up to $500. Casino customers get a package that totals up to $5,000 plus 100 free spins across qualifying deposits.
- What is the 21.com promo code?
The code to use when signing up is NEWBONUS. Enter it in the relevant field to claim either of the welcome bonus offers.
- What is 21 Sidekick?
21 Sidekick is an interactive sportsbook assistant that highlights boosts, live games and upcoming fixtures, with Pick For Me and Wild Multi selection features.
