# 「ヒロシマの記憶AR」 vs Kanji Drills

The clearest difference is in-app purchases: 「ヒロシマの記憶AR」 at none against Kanji Drills's 3. 「ヒロシマの記憶AR」 also leads on ads (none vs shown) and device support (3 vs 1). Kanji Drills's advantage is review sentiment (100% vs 67%) and update cadence (every 2 weeks vs every 6 months). On price there is nothing between them.

Both are free to download. Kanji Drills sells 3 in-app purchases, starting at $2.99 per month. 「ヒロシマの記憶AR」 asks for nothing beyond the download.

「ヒロシマの記憶AR」 ships an update every 6 months, Kanji Drills every 2 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 「ヒロシマの記憶AR」 | Kanji Drills |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 531 MB | 10 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TIMELOOPER INC](https://appshunter.io/developer/1198864036) | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) |

## What reviewers say

### 「ヒロシマの記憶AR」

[App page](https://appshunter.io/ios/app/ar/id1559638908)

Experience historical accounts and materials related to the 1945 Hiroshima atomic bombing and the Peace Memorial Park before the bombing. Features the world's first holographic testimony from a survivor, aiming to inspire reflection on peace.

**Highlights:** AR/VR historical experience, Atomic bombing accounts and materials, Pre-bombing Peace Memorial Park visuals, Holographic survivor testimony, Peace reflection tool

**In-app purchases:** none


### Kanji Drills

[App page](https://appshunter.io/ios/app/kanji-drills-worksheet-maker/id6763892857)

Create custom kanji worksheets for children in grades 1-6, aligned with Japan's official curriculum. Personalize drills to match school pace or focus on difficult characters. Print or share as PDFs without needing physical workbooks.

**Highlights:** Customizable kanji worksheets, Aligned with Japanese curriculum (Grades 1-6), Printable and shareable PDFs, Three worksheet types (Copy, Dictation, Reading), Four ordering modes, Star difficult kanji, Authentic Japanese drill layout

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kanji Worksheet Pro – Monthly | $2.99 | per month |
| Kanji Worksheet Pro – Yearly | $24.99 | per year |
| 全機能を解放（買い切り） | $5.99 | one-time |


## Frequently asked questions

### Is 「ヒロシマの記憶AR」 free?

「ヒロシマの記憶AR」 is free to download, with no in-app purchases.

### Is Kanji Drills free?

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

### Do 「ヒロシマの記憶AR」 or Kanji Drills have ads?

Kanji Drills shows ads; 「ヒロシマの記憶AR」 does not.

### Which is updated more often, 「ヒロシマの記憶AR」 or Kanji Drills?

「ヒロシマの記憶AR」 ships an update every 6 months, and Kanji Drills every 2 weeks. Most recently, 「ヒロシマの記憶AR」 was updated on October 24, 2026 and Kanji Drills on October 20, 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.*