# Mastery vs Jin Mobile

The clearest difference is price: Mastery at $1.99 against Jin Mobile's $24.99. Mastery also leads on iOS requirement (15.1 vs 17.4). On update cadence, ads, in-app purchases and device support there is nothing between them.

Mastery costs $1.99 and Jin Mobile $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mastery ships an update every 9 days, Jin Mobile fortnightly. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Mastery | Jin Mobile |
| --- | --- | --- |
| Price | **$1.99** | $24.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 37 MB | 67 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Benny Jien](https://appshunter.io/developer/1850407151) | [Murali Balaraman](https://appshunter.io/developer/1894488481) |

## What reviewers say

### Mastery

[App page](https://appshunter.io/ios/app/mastery-skill-tracker/id6754836317)

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

**In-app purchases:** none


### Jin Mobile

[App page](https://appshunter.io/ios/app/jin-mobile/id6762514532)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Mastery free?

Mastery costs $1.99, with no in-app purchases.

### Is Jin Mobile free?

Jin Mobile costs $24.99, with no in-app purchases.

### Do Mastery or Jin Mobile have ads?

Neither Mastery nor Jin Mobile shows ads.

### Which is updated more often, Mastery or Jin Mobile?

Mastery ships an update every 9 days, and Jin Mobile fortnightly. Most recently, Mastery was updated on October 9, 2026 and Jin Mobile on September 29, 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.*