# -般若心経をおぼえよう- vs Fasting Timer

The clearest difference is in-app purchases: -般若心経をおぼえよう- at none against Fasting Timer's 1. -般若心経をおぼえよう- also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. Fasting Timer sells 1 one-off in-app purchase. -般若心経をおぼえよう- asks for nothing beyond the download.

-般若心経をおぼえよう- ships an update every 5 weeks, Fasting Timer every 6 weeks. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | -般若心経をおぼえよう- | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id805504877/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 148 MB | 51 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Kensuke Tsuzuki](https://appshunter.io/developer/805504880) | [Kenta Nagato](https://appshunter.io/developer/6781150799) |

## What reviewers say

### -般若心経をおぼえよう-

[App page](https://appshunter.io/ios/app/id805504877)

Learn the Heart Sutra through multiple-choice quizzes. It also serves as a recitation aid, with a version featuring Hatsune Miku reading aloud included.

**Highlights:** Multiple-choice quizzes, Recitation aid, Hatsune Miku voice option, Learn Heart Sutra

**Features:** macOS Compatibility

**In-app purchases:** none


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-kufukun/id6787313477)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム(買い切り) | $2.99 | one-time |


## Frequently asked questions

### Is -般若心経をおぼえよう- free?

-般若心経をおぼえよう- is free to download, with no in-app purchases.

### Is Fasting Timer free?

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

### Do -般若心経をおぼえよう- or Fasting Timer have ads?

Neither -般若心経をおぼえよう- nor Fasting Timer shows ads.

### Which is updated more often, -般若心経をおぼえよう- or Fasting Timer?

-般若心経をおぼえよう- ships an update every 5 weeks, and Fasting Timer every 6 weeks. Most recently, -般若心経をおぼえよう- was updated on October 22, 2026 and Fasting Timer on October 10, 2026.

---

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