# PromilMeter vs AI Sleep Coach

The clearest difference is in-app purchases: PromilMeter at none against AI Sleep Coach's 2. AI Sleep Coach's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (18.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. AI Sleep Coach sells 2 in-app purchases, starting at $6.99 per month. PromilMeter asks for nothing beyond the download.

PromilMeter ships an update every 3 weeks, AI Sleep Coach weekly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PromilMeter | AI Sleep Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 11 MB | 132 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Sercan PASPAL](https://appshunter.io/developer/1827833123) | [AHMET TUFAN](https://appshunter.io/developer/6813048696) |

## What reviewers say

### PromilMeter

[App page](https://appshunter.io/ios/app/promilmeter-bac-tracker/id6762224486)

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

**In-app purchases:** none


### AI Sleep Coach

[App page](https://appshunter.io/ios/app/ai-sleep-coach-snore-tracker/id6813048694)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is PromilMeter free?

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

### Is AI Sleep Coach free?

AI Sleep Coach is free to download, with in-app purchases available.

### Do PromilMeter or AI Sleep Coach have ads?

Neither PromilMeter nor AI Sleep Coach shows ads.

### Which is updated more often, PromilMeter or AI Sleep Coach?

PromilMeter ships an update every 3 weeks, and AI Sleep Coach weekly. Most recently, PromilMeter was updated on November 5, 2026 and AI Sleep Coach on November 6, 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.*