# TimeLine vs 世界史年号問題

The clearest difference is update cadence: 世界史年号問題 at every 3 weeks against TimeLine's every 6 months. 世界史年号問題 also leads on review sentiment (82% vs 57%). TimeLine's advantage is iOS requirement (12.0 vs 16.6). 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 世界史年号問題 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, 世界史年号問題 every 3 weeks. The most recent releases landed on September 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TimeLine | 世界史年号問題 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | **82.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 15 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [Akira Fujisawa](https://appshunter.io/developer/1533514621) |

## 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 |


### 世界史年号問題

[App page](https://appshunter.io/ios/app/id1591797286)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $4.99 | one-time |


## Frequently asked questions

### Is TimeLine free?

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

### Is 世界史年号問題 free?

世界史年号問題 is free to download, with in-app purchases available.

### Do TimeLine or 世界史年号問題 have ads?

Both TimeLine and 世界史年号問題 show ads.

### Which is updated more often, TimeLine or 世界史年号問題?

TimeLine ships an update every 6 months, and 世界史年号問題 every 3 weeks. Most recently, TimeLine was updated on September 17, 2026 and 世界史年号問題 on October 14, 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.*