# 古书画印章 vs iSutra

The clearest difference is price: 古书画印章 at Free against iSutra's $0.99. 古书画印章 also leads on iOS requirement (14.0 vs 17.0). iSutra's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

古书画印章 is free to download; iSutra costs $0.99 up front. 古书画印章 sells 3 one-off in-app purchases. iSutra asks for nothing beyond the download.

## The numbers

| Metric | 古书画印章 | iSutra |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id1605726097/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 18 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [洁 陈](https://appshunter.io/developer/1512364480) | [天从 何](https://appshunter.io/developer/914453386) |

## What reviewers say

### 古书画印章

[App page](https://appshunter.io/ios/app/ai/id1605726097)

Identify ancient Chinese seals from photos with AI. Access a vast database of over 25,500 seals, collector profiles, and famous artworks. Track the provenance of art pieces and study historical seal styles.

**Highlights:** AI seal identification from photos, Extensive seal database (25,500+), Collector profiles (1700+), Artworks database with seal info, Save favorite seals, Continuous data updates

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | one-time |
| 年度会员 | $4.99 | one-time |
| 永久会员 | $14.99 | one-time |


### iSutra

[App page](https://appshunter.io/ios/app/isutra/id6796014949)

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

**In-app purchases:** none


## Frequently asked questions

### Is 古书画印章 free?

古书画印章 is free to download, with in-app purchases available.

### Is iSutra free?

iSutra costs $0.99, with no in-app purchases.

### Do 古书画印章 or iSutra have ads?

Neither 古书画印章 nor iSutra shows ads.

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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.*