# TimerWod vs AI Apnea Trainer

The clearest difference is update cadence: AI Apnea Trainer at every 11 days against TimerWod's every 2 months. 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.

TimerWod ships an update every 2 months, AI Apnea Trainer every 11 days. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TimerWod | AI Apnea Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 2 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Juan Trinidad Jimenez Armesto](https://appshunter.io/developer/1713296718) | [hayato yasuhisa](https://appshunter.io/developer/1873491175) |

## What reviewers say

### TimerWod

[App page](https://appshunter.io/ios/app/timerwod-workout/id6535696869)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Apnea Trainer

[App page](https://appshunter.io/ios/app/ai-apnea-trainer/id6758535310)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimerWod free?

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

### Is AI Apnea Trainer free?

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

### Do TimerWod or AI Apnea Trainer have ads?

Neither TimerWod nor AI Apnea Trainer shows ads.

### Which is updated more often, TimerWod or AI Apnea Trainer?

TimerWod ships an update every 2 months, and AI Apnea Trainer every 11 days. Most recently, TimerWod was updated on September 8, 2026 and AI Apnea Trainer on September 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.*