# あと何日 vs ondot timer｜No

The clearest difference is review sentiment: ondot timer｜No at 83% against あと何日's 0%. ondot timer｜No also leads on in-app purchases (none vs 1) and ads (none vs shown). あと何日's advantage is update cadence (daily vs every 3 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. あと何日 sells 1 one-off in-app purchase. ondot timer｜No asks for nothing beyond the download.

あと何日 ships an update daily, ondot timer｜No every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | あと何日 | ondot timer｜No |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 49 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Takatoshi Fukino](https://appshunter.io/developer/789538982) | [Momoka Shiramizu](https://appshunter.io/developer/1880005033) |

## What reviewers say

### あと何日

[App page](https://appshunter.io/ios/app/id6741745778)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フルバージョン | $1.99 | one-time |


### 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 あと何日 free?

あと何日 is free to download, with in-app purchases available.

### Is ondot timer｜No free?

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

### Do あと何日 or ondot timer｜No have ads?

あと何日 shows ads; ondot timer｜No does not.

### Which is updated more often, あと何日 or ondot timer｜No?

あと何日 ships an update daily, and ondot timer｜No every 3 days. Most recently, あと何日 was updated on October 24, 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.*