# Histotime | 不定期な記録管理 vs MooLog

The clearest difference is ads: MooLog at none against Histotime | 不定期な記録管理's shown. MooLog also leads on update cadence (daily vs every 3 weeks) and iOS requirement (12.0 vs 16.0). 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.

Histotime | 不定期な記録管理 ships an update every 3 weeks, MooLog daily. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Histotime | 不定期な記録管理 | MooLog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 108 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ITSolutionZ Inc.](https://appshunter.io/developer/1625041772) | [Satoshi Yokokawa](https://appshunter.io/developer/1650823072) |

## What reviewers say

### 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


### MooLog

[App page](https://appshunter.io/ios/app/moolog/id6744203994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is MooLog free?

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

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

Histotime | 不定期な記録管理 shows ads; MooLog does not.

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

Histotime | 不定期な記録管理 ships an update every 3 weeks, and MooLog daily. Most recently, Histotime | 不定期な記録管理 was updated on September 17, 2026 and MooLog on September 12, 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.*