# PIN Master vs Machine Health

The clearest difference is update cadence: Machine Health at every 4 weeks against PIN Master's every 3 months. Machine Health also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PIN Master ships an update every 3 months, Machine Health every 4 weeks. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PIN Master | Machine Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pin-master/id808194604/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 52 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Tsarev](https://appshunter.io/developer/808194607) | [Volvo Construction Equipment](https://appshunter.io/developer/485644257) |

## What reviewers say

### PIN Master

[App page](https://appshunter.io/ios/app/pin-master/id808194604)

This app offers a unique method for storing PIN codes by hiding them within a grid of characters. Users memorize a pattern instead of digits, making it secure even if the screen is viewed. It supports letters and symbols, iCloud sync, and a modern interface.

**Highlights:** Pattern-based PIN storage, Grid hiding mechanism, Support for letters and symbols, iCloud synchronization, Modern user interface, Quick preview and undo functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Machine Health

[App page](https://appshunter.io/ios/app/machine-health/id6785873807)

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

**In-app purchases:** none


## Frequently asked questions

### Is PIN Master free?

PIN Master is free to download, with no in-app purchases.

### Is Machine Health free?

Machine Health is free to download, with no in-app purchases.

### Do PIN Master or Machine Health have ads?

Neither PIN Master nor Machine Health shows ads.

### Which is updated more often, PIN Master or Machine Health?

PIN Master ships an update every 3 months, and Machine Health every 4 weeks. Most recently, PIN Master was updated on October 23, 2026 and Machine Health on October 16, 2026.

---

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