# 수면지킴이(Sleep Keeper) vs Everyone's Tabata Timer

The clearest difference is update cadence: Everyone's Tabata Timer at every 2 days against 수면지킴이(Sleep Keeper)'s fortnightly. 수면지킴이(Sleep Keeper)'s advantage is iOS requirement (11.0 vs 15.0). 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.

수면지킴이(Sleep Keeper) ships an update fortnightly, Everyone's Tabata Timer every 2 days. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 수면지킴이(Sleep Keeper) | Everyone's Tabata Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 142 MB | 52 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Swing2App Co. Ltd.](https://appshunter.io/developer/573223450) | [yonggeon kim](https://appshunter.io/developer/1012700491) |

## What reviewers say

### 수면지킴이(Sleep Keeper)

[App page](https://appshunter.io/ios/app/sleep-keeper/id6448084250)

**Features:** macOS Compatibility

**In-app purchases:** none


### Everyone's Tabata Timer

[App page](https://appshunter.io/ios/app/everyones-tabata-timer/id6783721406)

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

**In-app purchases:** none


## Frequently asked questions

### Is 수면지킴이(Sleep Keeper) free?

수면지킴이(Sleep Keeper) is free to download, with no in-app purchases.

### Is Everyone's Tabata Timer free?

Everyone's Tabata Timer is free to download, with no in-app purchases.

### Do 수면지킴이(Sleep Keeper) or Everyone's Tabata Timer have ads?

Neither 수면지킴이(Sleep Keeper) nor Everyone's Tabata Timer shows ads.

### Which is updated more often, 수면지킴이(Sleep Keeper) or Everyone's Tabata Timer?

수면지킴이(Sleep Keeper) ships an update fortnightly, and Everyone's Tabata Timer every 2 days. Most recently, 수면지킴이(Sleep Keeper) was updated on September 26, 2026 and Everyone's Tabata Timer on September 9, 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.*