# Zasfit vs TrainerStudio

The clearest difference is iOS requirement: TrainerStudio at 15.0 against Zasfit's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Zasfit ships an update every 9 days, TrainerStudio every 6 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zasfit | TrainerStudio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Size | 19 MB | 20 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Pablo Diaz Amores](https://appshunter.io/developer/1755919500) | [TrainerStudio](https://appshunter.io/developer/1849262841) |

## What reviewers say

### Zasfit

[App page](https://appshunter.io/ios/app/zasfit/id6746660630)

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

**In-app purchases:** none


### TrainerStudio

[App page](https://appshunter.io/ios/app/trainerstudio/id6756217870)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zasfit free?

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

### Is TrainerStudio free?

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

### Do Zasfit or TrainerStudio have ads?

Neither Zasfit nor TrainerStudio shows ads.

### Which is updated more often, Zasfit or TrainerStudio?

Zasfit ships an update every 9 days, and TrainerStudio every 6 days. Most recently, Zasfit was updated on October 22, 2026 and TrainerStudio 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.*