# 歴史年号RTA vs 究極年号 世界史Lite

The clearest difference is in-app purchases: 歴史年号RTA at none against 究極年号 世界史Lite's 1. 歴史年号RTA also leads on iOS requirement (15.0 vs 17.5). 究極年号 世界史Lite's advantage is ads (none vs shown) and update cadence (every 5 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. 究極年号 世界史Lite sells 1 one-off in-app purchase. 歴史年号RTA asks for nothing beyond the download.

歴史年号RTA ships an update fortnightly, 究極年号 世界史Lite every 5 days. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 歴史年号RTA | 究極年号 世界史Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 76 MB | 1 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GROWTH & GROWTH, LIMITED LIABILITY CO.](https://appshunter.io/developer/1785347143) | [ARATA MATSUKI](https://appshunter.io/developer/1864720578) |

## What reviewers say

### 歴史年号RTA

[App page](https://appshunter.io/ios/app/rta-ok/id6751521697)

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

**In-app purchases:** none


### 究極年号 世界史Lite

[App page](https://appshunter.io/ios/app/lite/id6757125140)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Content | $3.99 | one-time |


## Frequently asked questions

### Is 歴史年号RTA free?

歴史年号RTA is free to download, with no in-app purchases.

### Is 究極年号 世界史Lite free?

究極年号 世界史Lite is free to download, with in-app purchases available.

### Do 歴史年号RTA or 究極年号 世界史Lite have ads?

歴史年号RTA shows ads; 究極年号 世界史Lite does not.

### Which is updated more often, 歴史年号RTA or 究極年号 世界史Lite?

歴史年号RTA ships an update fortnightly, and 究極年号 世界史Lite every 5 days. Most recently, 歴史年号RTA was updated on September 19, 2026 and 究極年号 世界史Lite on September 17, 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.*