# PDF File Protector vs BMI Mate+

The clearest difference is price: BMI Mate+ at $0.99 against PDF File Protector's $19.99. BMI Mate+ also leads on in-app purchases (none vs 1) and update cadence (every 4 days vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

PDF File Protector costs $19.99 and BMI Mate+ $0.99 up front. PDF File Protector sells 1 one-off in-app purchase. BMI Mate+ asks for nothing beyond the download.

PDF File Protector ships an update every 2 months, BMI Mate+ every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PDF File Protector | BMI Mate+ |
| --- | --- | --- |
| Price | $19.99 | **$0.99** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 7 MB | 2 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [博 吴](https://appshunter.io/developer/1815854119) |

## What reviewers say

### PDF File Protector

[App page](https://appshunter.io/ios/app/pdf-file-protector/id6738285744)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pdf签名内购 | $9.99 | one-time |


### BMI Mate+

[App page](https://appshunter.io/ios/app/bmi-mate-plus/id6746374924)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF File Protector free?

PDF File Protector costs $19.99, and also offers in-app purchases.

### Is BMI Mate+ free?

BMI Mate+ costs $0.99, with no in-app purchases.

### Do PDF File Protector or BMI Mate+ have ads?

Neither PDF File Protector nor BMI Mate+ shows ads.

### Which is updated more often, PDF File Protector or BMI Mate+?

PDF File Protector ships an update every 2 months, and BMI Mate+ every 4 days. Most recently, PDF File Protector was updated on October 12, 2026 and BMI Mate+ on October 15, 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.*