# けいと管理 vs ondot timer｜No

The clearest difference is ads: ondot timer｜No at none against けいと管理's shown. ondot timer｜No also leads on update cadence (every 3 days vs every 6 weeks) and review sentiment (83% vs 73%). けいと管理's advantage is iOS requirement (15.0 vs 17.0). On price, 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.

けいと管理 ships an update every 6 weeks, ondot timer｜No every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | けいと管理 | ondot timer｜No |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yuuki Fujita](https://appshunter.io/developer/1355200382) | [Momoka Shiramizu](https://appshunter.io/developer/1880005033) |

## What reviewers say

### けいと管理

[App page](https://appshunter.io/ios/app/id1607847392)

**In-app purchases:** none


### ondot timer｜No

[App page](https://appshunter.io/ios/app/ondot-timerno-math-timer/id6762602662)

This app eliminates the need for time calculations by allowing you to set timers based on a desired end time or duration. It displays both the ringing time and remaining time at a glance, perfect for tasks and deadlines.

**Highlights:** Set timers by desired end time, Set timers by duration, See ringing time and time remaining, Save frequent timer presets, Apple Watch integration, Live Activity on Lock Screen/Dynamic Island

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

**In-app purchases:** none


## Frequently asked questions

### Is けいと管理 free?

けいと管理 is free to download, with no in-app purchases.

### Is ondot timer｜No free?

ondot timer｜No is free to download, with no in-app purchases.

### Do けいと管理 or ondot timer｜No have ads?

けいと管理 shows ads; ondot timer｜No does not.

### Which is updated more often, けいと管理 or ondot timer｜No?

けいと管理 ships an update every 6 weeks, and ondot timer｜No every 3 days. Most recently, けいと管理 was updated on October 22, 2026 and ondot timer｜No on October 24, 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.*