# Doze Prevention vs ANBAI

The clearest difference is review sentiment: ANBAI at 60% against Doze Prevention's 33%. Doze Prevention's advantage is iOS requirement (10.0 vs 13.0). 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.

Doze Prevention ships an update every 2 months, ANBAI monthly. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Doze Prevention | ANBAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/doze-prevention/id541377832/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 21 MB | 62 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TAKAHIRO AYA](https://appshunter.io/developer/495555314) | [DUMSCO inc.](https://appshunter.io/developer/673503528) |

## What reviewers say

### Doze Prevention

[App page](https://appshunter.io/ios/app/doze-prevention/id541377832)

This app helps prevent unwanted sleep during important moments like meetings or travel. It uses customizable vibration alerts at set intervals or when movement is detected to keep you awake.

**Highlights:** Vibration alerts for sleep prevention, Customizable alert intervals, Shake to stop alert function, Button stop function, Auto-repeat alert option, Zen meditation awareness

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

**In-app purchases:** none


### ANBAI

[App page](https://appshunter.io/ios/app/anbai/id1458262251)

Measure your autonomic nervous system's condition by placing your fingertip on your smartphone's camera for one minute. Analyze your pulse to understand your current state and improve daily life by identifying optimal times for rest and effort.

**Highlights:** Measure autonomic nervous system condition, Pulse analysis using smartphone camera, Scientific methodology based on heart rate variability, Track recent trends with graphs, Personalized analysis based on measurement history

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Doze Prevention free?

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

### Is ANBAI free?

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

### Do Doze Prevention or ANBAI have ads?

Neither Doze Prevention nor ANBAI shows ads.

### Which is updated more often, Doze Prevention or ANBAI?

Doze Prevention ships an update every 2 months, and ANBAI monthly. Most recently, Doze Prevention was updated on October 12, 2026 and ANBAI on October 3, 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.*