# 皇室典範~皇室の知識を身につけよう~ vs 天下図 戦国勢力図タイムライン

The clearest difference is ads: 皇室典範~皇室の知識を身につけよう~ at none against 天下図 戦国勢力図タイムライン's shown. 皇室典範~皇室の知識を身につけよう~ also leads on iOS requirement (6.0 vs 15.0). 天下図 戦国勢力図タイムライン's advantage is update cadence (weekly vs every 10 months). 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.

皇室典範~皇室の知識を身につけよう~ ships an update every 10 months, 天下図 戦国勢力図タイムライン weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 皇室典範~皇室の知識を身につけよう~ | 天下図 戦国勢力図タイムライン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Size | 1 MB | 25 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [syoutarou ookura](https://appshunter.io/developer/1614144503) |

## What reviewers say

### 皇室典範~皇室の知識を身につけよう~

[App page](https://appshunter.io/ios/app/id577708540)

**Features:** macOS Compatibility

**In-app purchases:** none


### 天下図 戦国勢力図タイムライン

[App page](https://appshunter.io/ios/app/id6791596534)

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

**In-app purchases:** none


## Frequently asked questions

### Is 皇室典範~皇室の知識を身につけよう~ free?

皇室典範~皇室の知識を身につけよう~ is free to download, with no in-app purchases.

### Is 天下図 戦国勢力図タイムライン free?

天下図 戦国勢力図タイムライン is free to download, with no in-app purchases.

### Do 皇室典範~皇室の知識を身につけよう~ or 天下図 戦国勢力図タイムライン have ads?

天下図 戦国勢力図タイムライン shows ads; 皇室典範~皇室の知識を身につけよう~ does not.

### Which is updated more often, 皇室典範~皇室の知識を身につけよう~ or 天下図 戦国勢力図タイムライン?

皇室典範~皇室の知識を身につけよう~ ships an update every 10 months, and 天下図 戦国勢力図タイムライン weekly. Most recently, 皇室典範~皇室の知識を身につけよう~ was updated on October 26, 2026 and 天下図 戦国勢力図タイムライン on October 25, 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.*