# YIZE MASTER vs Unit Converter All Categories

The clearest difference is in-app purchases: YIZE MASTER at none against Unit Converter All Categories's 3. YIZE MASTER also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Unit Converter All Categories sells 3 in-app purchases, starting at $0.99 per month. YIZE MASTER asks for nothing beyond the download.

YIZE MASTER ships an update monthly, Unit Converter All Categories every 5 weeks. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | YIZE MASTER | Unit Converter All Categories |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yize-master/id6736857471/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 51 MB | 12 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Yize International Trade Co., Ltd.](https://appshunter.io/developer/1771284040) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### YIZE MASTER

[App page](https://appshunter.io/ios/app/yize-master/id6736857471)

This utility app allows users to check and relearn tire pressure. It also provides functionality for performing OBD (On-Board Diagnostics) on vehicles.

**Highlights:** Tire pressure relearn, OBD vehicle diagnosis, Vehicle health check

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter All Categories

[App page](https://appshunter.io/ios/app/unit-converter-all-categories/id6747321259)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $2.99 | per year |
| Remove ADS | $4.99 | one-time |


## Frequently asked questions

### Is YIZE MASTER free?

YIZE MASTER is free to download, with no in-app purchases.

### Is Unit Converter All Categories free?

Unit Converter All Categories is free to download, with in-app purchases available.

### Do YIZE MASTER or Unit Converter All Categories have ads?

Neither YIZE MASTER nor Unit Converter All Categories shows ads.

### Which is updated more often, YIZE MASTER or Unit Converter All Categories?

YIZE MASTER ships an update monthly, and Unit Converter All Categories every 5 weeks. Most recently, YIZE MASTER was updated on November 4, 2026 and Unit Converter All Categories on November 7, 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.*