# Qi Watermark vs 极速意见箱

The clearest difference is iOS requirement: Qi Watermark at 11.0 against 极速意见箱's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Qi Watermark sells 2 in-app purchases, starting at $2.99 per month and 极速意见箱 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Qi Watermark ships an update every 3 days, 极速意见箱 every 4 days. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Qi Watermark | 极速意见箱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 21 MB | 28 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [奇奇 郭](https://appshunter.io/developer/1696538006) | [陕西实嘉云帆信息科技有限公司](https://appshunter.io/developer/1791004984) |

## What reviewers say

### Qi Watermark

[App page](https://appshunter.io/ios/app/qi-watermark/id6464681292)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $2.99 | per month |
| Yearly VIP | $24.99 | per year |


### 极速意见箱

[App page](https://appshunter.io/ios/app/id6740665155)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 极速意见箱 | $0.99 | one-time |
| 极速意见箱 | $14.99 | one-time |
| 极速意见箱 | $24.99 | one-time |
| 极速意见箱 | $69.99 | one-time |


## Frequently asked questions

### Is Qi Watermark free?

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

### Is 极速意见箱 free?

极速意见箱 is free to download, with in-app purchases available.

### Do Qi Watermark or 极速意见箱 have ads?

Neither Qi Watermark nor 极速意见箱 shows ads.

### Which is updated more often, Qi Watermark or 极速意见箱?

Qi Watermark ships an update every 3 days, and 极速意见箱 every 4 days. Most recently, Qi Watermark was updated on November 7, 2026 and 极速意见箱 on November 4, 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.*