# 皇室典範~皇室の知識を身につけよう~ vs WavesSimulator

The clearest difference is price: 皇室典範~皇室の知識を身につけよう~ at Free against WavesSimulator's $1.99. 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). On update cadence, ads, in-app purchases and device support there is nothing between them.

皇室典範~皇室の知識を身につけよう~ is free to download; WavesSimulator costs $1.99 up front. 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, WavesSimulator every 8 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 皇室典範~皇室の知識を身につけよう~ | WavesSimulator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 8 months** |
| Size | 1 MB | 95 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [Tsuyoshi Ohtsuji](https://appshunter.io/developer/942371081) |

## 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


### WavesSimulator

[App page](https://appshunter.io/ios/app/wavessimulator/id1056250508)

**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 WavesSimulator free?

WavesSimulator costs $1.99, with no in-app purchases.

### Do 皇室典範~皇室の知識を身につけよう~ or WavesSimulator have ads?

Neither 皇室典範~皇室の知識を身につけよう~ nor WavesSimulator shows ads.

### Which is updated more often, 皇室典範~皇室の知識を身につけよう~ or WavesSimulator?

皇室典範~皇室の知識を身につけよう~ ships an update every 10 months, and WavesSimulator every 8 months. 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 WavesSimulator on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*