# 口袋印迹 vs OnLayer

The clearest difference is iOS requirement: 口袋印迹 at 12.0 against OnLayer's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 口袋印迹 sells 3 one-off in-app purchases and OnLayer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

口袋印迹 ships an update every 6 weeks, OnLayer every 5 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 口袋印迹 | OnLayer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 156 MB | 65 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Pocket Education Technology Co.,Ltd](https://appshunter.io/developer/1789282102) | [song-i yang](https://appshunter.io/developer/1461719360) |

## What reviewers say

### 口袋印迹

[App page](https://appshunter.io/ios/app/id6754678578)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $6.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 终身会员 | $19.99 | one-time |


### OnLayer

[App page](https://appshunter.io/ios/app/onlayer/id6758535404)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnLayer Premium (Monthly) | $3.99 | per month |
| OnLayer Premium (Yearly) | $34.99 | per year |


## Frequently asked questions

### Is 口袋印迹 free?

口袋印迹 is free to download, with in-app purchases available.

### Is OnLayer free?

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

### Do 口袋印迹 or OnLayer have ads?

Neither 口袋印迹 nor OnLayer shows ads.

### Which is updated more often, 口袋印迹 or OnLayer?

口袋印迹 ships an update every 6 weeks, and OnLayer every 5 weeks. Most recently, 口袋印迹 was updated on October 30, 2026 and OnLayer on October 24, 2026.

---

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