SimFit vs BioTweak
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SimFit
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SimFit is a fitness app that combines game mechanics and AI to consistently motivate and engage you on your fitness journey. SimFit will immerse you in the world of virtual games and esports by using real-time exercise stats provided by your paired fitness watch to drive character performance and gameplay. In other words, the more effort you put into your workout, the better your character will perform in the gameplay!ย Features: Real-time, Exercise-driven game experience: Feel the thrill as your exercise powers an immersive real-time game experience! The more effort you exert during your workout, the better your character performs in the gameplay. Compete solo or challenge friends in multiplayer mode. Our personalized Game AI adapts to your fitness level, providing the perfect blend of competition and motivation. Games library: SimFit offers a library of games to choose from, ensuring each time you exercise is an exciting adventure. Fitness watch compatibility: SimFit seamlessly integrates with your Apple Watch so we can use your accurate exercise data in real-time for precise gameplay.
BioTweak
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Explore tiny changes that can help you build a healthier lifestyle! From drinking an extra glass of water, to engaging in a gentle physical activity or taking a few minutes to engage in a mindfulness activity... each challenge brings you a bit closer to living happily in your body!
Screenshots
Verdict
The clearest difference is update cadence: SimFit at every 5 months against BioTweak's every 12 months. SimFit also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SimFit ships an update every 5 months, BioTweak every 12 months. Both last shipped on October 27, 2026.
| Parameter | SimFit | BioTweak |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months โ better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch โ better | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 532 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | SimFit Inc | BioTweak |
In-app purchases
SimFit
No in-app purchases
BioTweak
No in-app purchases









