# INFINITY GYM vs StableFit

The clearest difference is update cadence: StableFit at fortnightly against INFINITY GYM's every 19 months. INFINITY GYM's advantage is iOS requirement (12.0 vs 15.0.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

INFINITY GYM ships an update every 19 months, StableFit fortnightly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | INFINITY GYM | StableFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/stablefit/id6755842057/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 54 MB | 154 MB |
| Requires iOS | **12.0** | 15.0.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUCKYSOFT OU](https://appshunter.io/developer/1242118176) | [SavvaDev](https://appshunter.io/developer/1773169566) |

## What reviewers say

### INFINITY GYM

[App page](https://appshunter.io/ios/app/infinity-gym/id6503445533)

**Features:** macOS Compatibility

**In-app purchases:** none


### StableFit

[App page](https://appshunter.io/ios/app/stablefit/id6755842057)

Track your fitness progress, complete workouts, and monitor your nutrition with this app designed for clients of personal trainers. It offers real-time synchronization with your trainer, allowing for seamless communication and progress updates.

**Highlights:** Workout tracking and completion, In-app chat with trainer, Nutrition tracking (calories, macros), Barcode food entry, AI-powered meal photo analysis, Body measurement tracking, Progress photo comparison

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is INFINITY GYM free?

INFINITY GYM is free to download, with no in-app purchases.

### Is StableFit free?

StableFit is free to download, with no in-app purchases.

### Do INFINITY GYM or StableFit have ads?

Neither INFINITY GYM nor StableFit shows ads.

### Which is updated more often, INFINITY GYM or StableFit?

INFINITY GYM ships an update every 19 months, and StableFit fortnightly. Most recently, INFINITY GYM was updated on October 6, 2026 and StableFit on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*