# AI Apnea Trainer vs ELEMENT | 08

The clearest difference is in-app purchases: AI Apnea Trainer at none against ELEMENT | 08's 10. ELEMENT | 08's advantage is device support (4 vs 2) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ELEMENT | 08 sells 10 in-app purchases, starting at $3.99 per month. AI Apnea Trainer asks for nothing beyond the download.

AI Apnea Trainer ships an update every 11 days, ELEMENT | 08 weekly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AI Apnea Trainer | ELEMENT | 08 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Size | 18 MB | 70 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [hayato yasuhisa](https://appshunter.io/developer/1873491175) | [Philipp Heinzelmann](https://appshunter.io/developer/1892390744) |

## What reviewers say

### 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


### ELEMENT | 08

[App page](https://appshunter.io/ios/app/element-08/id6762002010)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per month |
| AI Assistant Add-on (Monthly) | $4.99 | per month |
| AI Assistant Add-on (Loyalty) | $12.99 | per year |
| Season Pro | $14.99 | per year |
| ELEMENT 08 Pro (Annual) | $22.99 | per year |
| AI Assistant Add-on (Annual) | $49.99 | per year |
| Lifetime Founder | $29.99 | one-time |
| lifetime_early | $39.99 | one-time |
| Lifetime Regular | $59.99 | one-time |
| ELEMENT 08 Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is AI Apnea Trainer free?

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

### Is ELEMENT | 08 free?

ELEMENT | 08 is free to download, with in-app purchases available.

### Do AI Apnea Trainer or ELEMENT | 08 have ads?

Neither AI Apnea Trainer nor ELEMENT | 08 shows ads.

### Which is updated more often, AI Apnea Trainer or ELEMENT | 08?

AI Apnea Trainer ships an update every 11 days, and ELEMENT | 08 weekly. Most recently, AI Apnea Trainer was updated on October 15, 2026 and ELEMENT | 08 on October 7, 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.*