# i 标记 vs Stamp Sharp

i 标记 and Stamp Sharp are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | i 标记 | Stamp Sharp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 13 MB | 241 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鉴 刘](https://appshunter.io/developer/1420089432) | [锦文 游](https://appshunter.io/developer/406832160) |

## What reviewers say

### i 标记

[App page](https://appshunter.io/ios/app/i/id1493178480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Sharp

[App page](https://appshunter.io/ios/app/stamp-sharp/id6737236438)

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

**In-app purchases:** none


## Frequently asked questions

### Is i 标记 free?

i 标记 is free to download, with no in-app purchases.

### Is Stamp Sharp free?

Stamp Sharp is free to download, with no in-app purchases.

### Do i 标记 or Stamp Sharp have ads?

Neither i 标记 nor Stamp Sharp 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.*