# Doze Prevention vs K

The clearest difference is update cadence: Doze Prevention at every 2 months against K's every 6 months. Doze Prevention also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price, 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, K every 6 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Doze Prevention | K |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 21 MB | 1 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [TAKAHIRO AYA](https://appshunter.io/developer/495555314) | [TENGA Healthcare Inc.](https://appshunter.io/developer/1360244365) |

## 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


### K

[App page](https://appshunter.io/ios/app/k-gel-support/id6472642388)

**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 K free?

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

### Do Doze Prevention or K have ads?

Neither Doze Prevention nor K shows ads.

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

Doze Prevention ships an update every 2 months, and K every 6 months. Most recently, Doze Prevention was updated on October 12, 2026 and K on October 13, 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.*