# PDF Watermark Assistant vs Mini Check

The clearest difference is update cadence: Mini Check at every 2 days against PDF Watermark Assistant's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

PDF Watermark Assistant costs $0.99 and Mini Check $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Watermark Assistant ships an update every 5 months, Mini Check every 2 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Watermark Assistant | Mini Check |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 5 MB | 36 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [CHUNLONG LI](https://appshunter.io/developer/1864794193) |

## What reviewers say

### PDF Watermark Assistant

[App page](https://appshunter.io/ios/app/pdf-watermark-assistant/id6747923103)

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

**In-app purchases:** none


### Mini Check

[App page](https://appshunter.io/ios/app/mini-check-mobile-inventory/id6759236364)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Watermark Assistant free?

PDF Watermark Assistant costs $0.99, with no in-app purchases.

### Is Mini Check free?

Mini Check costs $0.99, with no in-app purchases.

### Do PDF Watermark Assistant or Mini Check have ads?

Neither PDF Watermark Assistant nor Mini Check shows ads.

### Which is updated more often, PDF Watermark Assistant or Mini Check?

PDF Watermark Assistant ships an update every 5 months, and Mini Check every 2 days. Most recently, PDF Watermark Assistant was updated on November 8, 2026 and Mini Check on October 31, 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.*