# Heart Sutra vs 강툰

The clearest difference is in-app purchases: Heart Sutra at none against 강툰's 6. Heart Sutra also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). 강툰's advantage is review sentiment (100% vs 76%). On price, update cadence and device support there is nothing between them.

Both are free to download. 강툰 sells 6 one-off in-app purchases. Heart Sutra asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Heart Sutra | 강툰 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/heart-sutra/id353770802/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 76.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) | [Mr.Blue Corp](https://appshunter.io/developer/381253123) |

## What reviewers say

### Heart Sutra

[App page](https://appshunter.io/ios/app/heart-sutra/id353770802)

Read the Heart Sutra in Hanja, Korean, and English. This app requires no registration and can be used offline.

**Highlights:** Read in Hanja, Korean, and English, Offline access, No registration required, Buddhist text

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

**In-app purchases:** none


### 강툰

[App page](https://appshunter.io/ios/app/id6452500233)

Access a vast library of martial arts comics with unlimited viewing for 30 minutes upon signup. Complete missions to earn rewards and climb through a tiered membership system for bonus benefits. Discover premium titles from legendary authors.

**Highlights:** Unlimited 30-minute comic viewing, Mission-based rewards, Tiered membership system, Premium martial arts comic collection, Notifications for updates

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50냥 | $3.99 | one-time |
| 100냥 | $6.99 | one-time |
| 300냥 | $22.99 | one-time |
| 500냥 | $39.99 | one-time |
| 1,000냥 | $69.99 | one-time |
| 3,000냥 | $229.99 | one-time |


## Frequently asked questions

### Is Heart Sutra free?

Heart Sutra is free to download, with no in-app purchases.

### Is 강툰 free?

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

### Do Heart Sutra or 강툰 have ads?

강툰 shows ads; Heart Sutra does not.

### Which is updated more often, Heart Sutra or 강툰?

Heart Sutra ships an update monthly, and 강툰 monthly. Most recently, Heart Sutra was updated on November 1, 2026 and 강툰 on November 3, 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.*