Deep boxing sim. 2,500+ real heavyweights from 1880-2026+. Free trial included.
4.26·384 reviews·10,000+ downloads
Pros & Cons
Extensive historical span (140+ years) with 2,500+ real heavyweights
Free trial with no ads and a one-time unlock
300 legends to play as and authentic signature moves
Era-authentic rounds, belts, and a realistic ranking system (500 opponents)
No explicit offline mode indicated in the data, which some competitors emphasize
Punching-focused action and training modes common in rival titles are not highlighted in this app’s feature set
Some players may prefer more immediate, bite-sized modes that are often present in competitor games
About Sim: Heavyweight Boxing
Sim: Heavyweight Boxing is a sports games app developed by JF Sim Games.
How many times has Sim: Heavyweight Boxing been downloaded?
Sim: Heavyweight Boxing has been downloaded 23 thousand times. In the last 30 days, the app was downloaded 4.2 thousand times.
What is the rating of Sim: Heavyweight Boxing?
Sim: Heavyweight Boxing is rated 4.26 out of 5 stars, based on 380 ratings.
Is Sim: Heavyweight Boxing free?
Sim: Heavyweight Boxing is free to download. The APK download size is 4.87 MB. The latest version available is 10.5. The last update was on August 16, 2026.
What are the requirements for Sim: Heavyweight Boxing?
The app has a content rating of Medium Maturity. The app has been available on Google Play March 2026.
Description
FREE TRIAL — Play your first 10 fights or 4 years free. Full game unlock via one-time purchase. No ads, no subscriptions.
Step into the ring and build your boxing legacy in Heavyweight Boxing Champion — the ultimate heavyweight boxing management and simulation game spanning over 140 years of the sport's history. Create your fighter, choose your era, and battle your way from unknown prospect to undisputed Heavyweight Champion of the World.
CHOOSE YOUR ERA Start your career anywhere from 1880 to present day. Fight in the bare-knuckle age alongside John L. Sullivan, the golden era with Joe Louis and Rocky Marciano, the Ali/Foreman/Frazier era, the Tyson era, or the modern age with Fury, Usyk, and Joshua. The game world evolves authentically — title fight rounds, venues, nationalities, purse money, and media all change with the times.
PLAY AS A LEGEND Choose from the 300 greatest heavyweights of all time and relive their careers — each with authentic ratings, fighting styles, hometowns, and signature moves. Take Iron Mike from his 1984 debut, or transport him to the Ali era and rewrite history.
OVER 2,500 REAL HEAVYWEIGHT FIGHTERS!! Ali, Tyson, Foreman, Frazier, Louis, Dempsey, Lennox Lewis, Holyfield, Holmes, Marciano, Klitschko, Fury, Usyk, Joshua, Wilder, and hundreds more — all with unique ratings, styles, stances, and nicknames. Every significant heavyweight from 1880 to present day.
FEATURES Dynamic fight simulation with real-time round-by-round commentary Signature moves for legendary fighters — see the Ali Shuffle and the Dempsey Roll light up the ring Authentic nicknames displayed throughout the game 4 world titles and 7 regional belts to chase Era-authentic title fight rounds — 25, 20, 15, or 12 rounds depending on the era Realistic ranking system with 500 ranked opponents Career earnings, rivalries, annual awards, and boxing news Olympic and World Amateur Championship pathway, with amateur honours reflected in fighter bios Detailed fight records, CompuBox stats, and career biography Hall of Fame — retire your legend and start a new career in the same universe Son of Legends — the children of great champions can emerge in the division Multiple fighting styles, stances, and strategic options Play forever — a living universe that spans 1,000+ years
Can you go undefeated? Can you hold all four belts? Can you build a legacy that echoes across the eras? The world is watching.
All fighter ratings, records, and statistics are fictional estimates for entertainment purposes. No endorsement or affiliation with any real person or organisation is implied.
Recent changes: Hotfix 10.5: • NPC fight records are no longer lost on save • Watched fights report the right winner, with scorecards • Fighters no longer age at double speed • Stats no longer go backwards — stat ceilings removed • Power grows into a fighter's prime, then fades with age • Every retired fighter is kept in the Hall of Fame • Rivalry stat boosts are temporary again • Saving a long career no longer freezes Thanks for the reports — every fix came from one.
Get a detailed PDF report for Sim: Heavyweight Boxing with download trends, rating history,
and key performance statistics — useful for competitive research or tracking your own app.
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Hey good game but I have to ask about the earnings of the fighter. Cus my last fighter have a 1bilion career earnigs which is great but when istart a new boxer why is my earnings still 1 billion why can it be gone back zero? Is it a bug?
★★★★☆Billy Kelsey· Apr 27, 2026
Good boxing sim game just a couple glitches that have stopped me from progressing in my career so now I can't fight anyone anymore
★★★★★Benjamin Flesher· Aug 16, 2026
Game is great, and I think you should look into making a mma game with real fighters like ufc career
★☆☆☆☆Jaamal Lattibeaudiere· Jun 15, 2026
Stop ruining a perfectly good game man remove the damn purchases and let us play the game because this is one of if not the best boxing career game I've ever played and you're ruining it with purchase and limit have you no shame the game is excellent bit just let us play
★☆☆☆☆Roshawn Palmer· Apr 30, 2026
Ai generated slop game it's made by claude AI based on the code, and it wants 5 dollars for some game you can make in 10 minutes with claude AI
★★☆☆☆Logan Lyle· May 15, 2026
Make the game free you all going to make money anyway but good game I didn't buy it but seems good
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