# ZoneFlow vs Gym Trainer + AI

The clearest difference is update cadence: Gym Trainer + AI at every 2 months against ZoneFlow's every 18 months. ZoneFlow's advantage is iOS requirement (13.0 vs 17.6). 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.

ZoneFlow ships an update every 18 months, Gym Trainer + AI every 2 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ZoneFlow | Gym Trainer + AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Size | 2 MB | 8 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Rollett](https://appshunter.io/developer/1776487100) | [Denis Limanskiy](https://appshunter.io/developer/1023304289) |

## What reviewers say

### ZoneFlow

[App page](https://appshunter.io/ios/app/zoneflow/id6739025069)

**In-app purchases:** none


### Gym Trainer + AI

[App page](https://appshunter.io/ios/app/gym-trainer-plus-ai/id6748078978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZoneFlow free?

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

### Is Gym Trainer + AI free?

Gym Trainer + AI is free to download, with no in-app purchases.

### Do ZoneFlow or Gym Trainer + AI have ads?

Neither ZoneFlow nor Gym Trainer + AI shows ads.

### Which is updated more often, ZoneFlow or Gym Trainer + AI?

ZoneFlow ships an update every 18 months, and Gym Trainer + AI every 2 months. Most recently, ZoneFlow was updated on October 10, 2026 and Gym Trainer + AI on October 13, 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.*