# NotificationTimer vs Histotime | 不定期な記録管理

The clearest difference is review sentiment: Histotime | 不定期な記録管理 at 100% against NotificationTimer's 33%. NotificationTimer's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (14.0 vs 16.0). 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | NotificationTimer | Histotime | 不定期な記録管理 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 62 MB | 66 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Hidano](https://appshunter.io/developer/1540406770) | [ITSolutionZ Inc.](https://appshunter.io/developer/1625041772) |

## What reviewers say

### NotificationTimer

[App page](https://appshunter.io/ios/app/notificationtimer/id1565172282)

Easily schedule recurring notifications for tasks or waiting periods. Set custom titles and messages that appear at your chosen time. Refresh timers with a single tap for continuous use.

**Highlights:** Set notifications by elapsed time, Easily re-set timers, Customizable titles and messages, Toggle notifications on/off, Permission settings for notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Histotime | 不定期な記録管理

[App page](https://appshunter.io/ios/app/histotime/id6733235215)

This app allows you to easily record infrequent actions and events as they happen, like taking medication or experiencing health changes. Organize your entries by folder and review them on a calendar to track intervals and past occurrences. It's designed for those who need to remember specific, irregular events without the commitment of daily tracking.

**Highlights:** Record infrequent actions and events, One-tap recording, Organize records by folder, Calendar view for daily records, Track intervals between events, Review past occurrences

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is NotificationTimer free?

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

### Is Histotime | 不定期な記録管理 free?

Histotime | 不定期な記録管理 is free to download, with no in-app purchases.

### Do NotificationTimer or Histotime | 不定期な記録管理 have ads?

Both NotificationTimer and Histotime | 不定期な記録管理 show ads.

### Which is updated more often, NotificationTimer or Histotime | 不定期な記録管理?

NotificationTimer ships an update every 3 weeks, and Histotime | 不定期な記録管理 every 3 weeks. Most recently, NotificationTimer was updated on October 8, 2026 and Histotime | 不定期な記録管理 on October 4, 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.*