# SubZero Gym vs GymHack

The clearest difference is update cadence: SubZero Gym at every 3 days against GymHack's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SubZero Gym sells 10 in-app purchases, starting at $3.99 per month and GymHack sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

SubZero Gym ships an update every 3 days, GymHack every 3 weeks. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SubZero Gym | GymHack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gymhack-ai-workout-tracker/id6762209697/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 92 MB | 227 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | +4 |
| Developer | [ShadowPing LLC](https://appshunter.io/developer/1826310023) | [Prioton LLC](https://appshunter.io/developer/1893376963) |

## What reviewers say

### SubZero Gym

[App page](https://appshunter.io/ios/app/subzero-gym/id6755252688)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $3.99 | per month |
| Pro Monthly | $7.99 | per month |
| Elite Monthly | $14.99 | per month |
| Pro+ Monthly | $15.99 | per month |
| Elite+ Monthly | $29.99 | per month |
| Basic Annual | $39.99 | per year |
| Pro Annual | $79.99 | per year |
| Elite Annual | $149.99 | per year |
| Pro+ Annual | $159.99 | per year |
| Elite+ Annual | $299.99 | per year |


### GymHack

[App page](https://appshunter.io/ios/app/gymhack-ai-workout-tracker/id6762209697)

This app helps you track your weightlifting workouts and provides AI-driven insights into your recovery and readiness. It allows for extensive customization of exercises and gym equipment, with a focus on personalized training analysis. Features include progress charts, periodization, and readiness checks.

**Highlights:** AI-driven workout analysis, Customizable exercises and machines, Recovery and readiness tracking, Personalized training load insights, Progress charts and PR history, Weekly plan generation, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $69.99 | per year |


## Frequently asked questions

### Is SubZero Gym free?

SubZero Gym is free to download, with in-app purchases available.

### Is GymHack free?

GymHack is free to download, with in-app purchases available.

### Do SubZero Gym or GymHack have ads?

Neither SubZero Gym nor GymHack shows ads.

### Which is updated more often, SubZero Gym or GymHack?

SubZero Gym ships an update every 3 days, and GymHack every 3 weeks. Most recently, SubZero Gym was updated on November 9, 2026 and GymHack on November 10, 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.*