# Impact Gym vs ZERO Training Center

The clearest difference is update cadence: ZERO Training Center at every 3 weeks against Impact Gym's every 11 months. ZERO Training Center also leads on iOS requirement (13.0 vs 15.0). 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.

Impact Gym ships an update every 11 months, ZERO Training Center every 3 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Impact Gym | ZERO Training Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zero-training-center/id6746328015/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 67 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashbourne](https://appshunter.io/developer/1130933933) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### Impact Gym

[App page](https://appshunter.io/ios/app/impact-gym/id6739727632)

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

**In-app purchases:** none


### ZERO Training Center

[App page](https://appshunter.io/ios/app/zero-training-center/id6746328015)

This app helps you manage your health and fitness journey. Book classes, track workout progress, monitor body measurements, and connect with club staff. It integrates with Apple Health to import data from wearables and track daily activity.

**Highlights:** Book classes online, Track workout progress, Monitor body measurements, Contact club staff, Apple Health integration, Import wearable data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Impact Gym free?

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

### Is ZERO Training Center free?

ZERO Training Center is free to download, with no in-app purchases.

### Do Impact Gym or ZERO Training Center have ads?

Neither Impact Gym nor ZERO Training Center shows ads.

### Which is updated more often, Impact Gym or ZERO Training Center?

Impact Gym ships an update every 11 months, and ZERO Training Center every 3 weeks. Most recently, Impact Gym was updated on October 25, 2026 and ZERO Training Center on October 17, 2026.

---

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