# StarTimer vs Mastery

The clearest difference is price: Mastery at Free against StarTimer's $2.99. StarTimer's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 2 weeks). On ads and device support there is nothing between them.

Mastery is free to download; StarTimer costs $2.99 up front. Mastery sells 3 in-app purchases, starting at $2.99 per month. StarTimer asks for nothing beyond the download.

StarTimer ships an update every 3 days, Mastery every 2 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | StarTimer | Mastery |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/startimer/id6748080075/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 4 MB | 27 MB |
| Requires iOS | **16.2** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +12 |
| Developer | [Saptak Sen](https://appshunter.io/developer/1824208901) | [Adam Kovacs](https://appshunter.io/developer/1814096456) |

## What reviewers say

### StarTimer

[App page](https://appshunter.io/ios/app/startimer/id6748080075)

This app helps you manage your time with smart scheduling and customizable timers. It offers real-time progress tracking, voice control, and a beautiful, privacy-focused design. Perfect for daily routines, focus sessions, and workouts.

**Highlights:** Smart scheduling with reminders, Recurring schedules for routines, Live Activities for real-time progress, Dynamic Island integration, Customizable icons and color themes, Siri Shortcuts for voice control, Privacy-focused, no data collection

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

**In-app purchases:** none


### Mastery

[App page](https://appshunter.io/ios/app/mastery-habit-tracker/id6759011987)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mastery Pro Monthly | $2.99 | per month |
| Annual | $14.99 | per year |
| Mastery Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is StarTimer free?

StarTimer costs $2.99, with no in-app purchases.

### Is Mastery free?

Mastery is free to download, with in-app purchases available.

### Do StarTimer or Mastery have ads?

Neither StarTimer nor Mastery shows ads.

### Which is updated more often, StarTimer or Mastery?

StarTimer ships an update every 3 days, and Mastery every 2 weeks. Most recently, StarTimer was updated on October 13, 2026 and Mastery on October 3, 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.*