# Histotime | 不定期な記録管理 vs Writeblock

The clearest difference is in-app purchases: Histotime | 不定期な記録管理 at none against Writeblock's 1. Histotime | 不定期な記録管理 also leads on update cadence (every 3 weeks vs every 2 months). Writeblock's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Writeblock sells 1 one-off in-app purchase. Histotime | 不定期な記録管理 asks for nothing beyond the download.

Histotime | 不定期な記録管理 ships an update every 3 weeks, Writeblock every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Histotime | 不定期な記録管理 | Writeblock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 8 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ITSolutionZ Inc.](https://appshunter.io/developer/1625041772) | [sumin lee](https://appshunter.io/developer/1885447953) |

## 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


### Writeblock

[App page](https://appshunter.io/ios/app/writeblock/id6760636756)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 앱잠금 영구 해제 | $9.99 | one-time |


## 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 Writeblock free?

Writeblock is free to download, with in-app purchases available.

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

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

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

Histotime | 不定期な記録管理 ships an update every 3 weeks, and Writeblock every 2 months. Most recently, Histotime | 不定期な記録管理 was updated on October 24, 2026 and Writeblock on October 23, 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.*