# 时间印记 vs 彩虹绘画板

The clearest difference is in-app purchases: 彩虹绘画板 at none against 时间印记's 3. 彩虹绘画板 also leads on update cadence (daily vs every 8 days). 时间印记's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 时间印记 sells 3 in-app purchases, starting at $1.99 per month. 彩虹绘画板 asks for nothing beyond the download.

时间印记 ships an update every 8 days, 彩虹绘画板 daily. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 时间印记 | 彩虹绘画板 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Daily** |
| Size | 74 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [孔目湖(北京)科技有限公司](https://appshunter.io/developer/1716853334) | [鑫 李](https://appshunter.io/developer/1882426033) |

## What reviewers say

### 时间印记

[App page](https://appshunter.io/ios/app/id6473602967)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $1.99 | per month |
| 按年订阅 | $4.99 | per year |
| 永久使用 | $12.99 | one-time |


### 彩虹绘画板

[App page](https://appshunter.io/ios/app/id6760551151)

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

**In-app purchases:** none


## Frequently asked questions

### Is 时间印记 free?

时间印记 is free to download, with in-app purchases available.

### Is 彩虹绘画板 free?

彩虹绘画板 is free to download, with no in-app purchases.

### Do 时间印记 or 彩虹绘画板 have ads?

彩虹绘画板 shows ads; 时间印记 does not.

### Which is updated more often, 时间印记 or 彩虹绘画板?

时间印记 ships an update every 8 days, and 彩虹绘画板 daily. Most recently, 时间印记 was updated on November 12, 2026 and 彩虹绘画板 on November 9, 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.*