# TimeLine vs 歴史総合・日本史探究｜アシストシステム

The clearest difference is update cadence: 歴史総合・日本史探究｜アシストシステム at fortnightly against TimeLine's every 6 months. TimeLine's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TimeLine sells 1 one-off in-app purchase and 歴史総合・日本史探究｜アシストシステム sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TimeLine ships an update every 6 months, 歴史総合・日本史探究｜アシストシステム fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TimeLine | 歴史総合・日本史探究｜アシストシステム |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 425 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [Tsuyoshi Hayakawa](https://appshunter.io/developer/314516929) |

## What reviewers say

### TimeLine

[App page](https://appshunter.io/ios/app/timeline/id1577126242)

Create custom historical timelines by inputting categories and events with their dates. Supports events from 3000 BCE to 3000 CE. A simple tool for visualizing historical periods.

**Highlights:** Input custom categories, Input historical events with dates, Supports BCE and CE dates, Visualize historical periods, Create personal timelines

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 歴史年表を作ろう 広告非表示 | $1.99 | one-time |


### 歴史総合・日本史探究｜アシストシステム

[App page](https://appshunter.io/ios/app/id6504427231)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 日本史探究追加データ | $2.99 | one-time |


## Frequently asked questions

### Is TimeLine free?

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

### Is 歴史総合・日本史探究｜アシストシステム free?

歴史総合・日本史探究｜アシストシステム is free to download, with in-app purchases available.

### Do TimeLine or 歴史総合・日本史探究｜アシストシステム have ads?

Both TimeLine and 歴史総合・日本史探究｜アシストシステム show ads.

### Which is updated more often, TimeLine or 歴史総合・日本史探究｜アシストシステム?

TimeLine ships an update every 6 months, and 歴史総合・日本史探究｜アシストシステム fortnightly. Most recently, TimeLine was updated on October 21, 2026 and 歴史総合・日本史探究｜アシストシステム 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.*