# Master Kit vs Purr

The clearest difference is rating: Purr at 5.0 against Master Kit's 4.4. Purr also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). Master Kit's advantage is in-app purchases (none vs 3) and ratings volume (54 vs 1). On price and device support there is nothing between them.

Both are free to download. Purr sells 3 one-off in-app purchases. Master Kit asks for nothing beyond the download.

Purr holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Master Kit has 54 ratings behind it against 1, so its average is the more settled of the two.

Master Kit ships an update every 2 months, Purr every 5 days. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Master Kit | Purr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (54 ratings)](https://appshunter.io/ios/app/master-kit/id1294342144/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purr-cat-map/id6799262392/reviews)** |
| Number of ratings | **54** | 1 |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 66 MB | 3 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MASTER KIT, OOO](https://appshunter.io/developer/1528956877) | [Hessam Zahedi](https://appshunter.io/developer/6785146214) |

## What reviewers say

### Master Kit

[App page](https://appshunter.io/ios/app/master-kit/id1294342144)

This app offers psychological self-help across relationships, career, health, and self-esteem. It utilizes guided meditations with voice-overs and videos, featuring unique computer-generated audios tailored to each individual. All sessions are confidential and private.

**Highlights:** Psychological self-help, Guided meditations, Custom audio generation, Relationship support, Career development, Health and self-esteem tools

**Features:** macOS Compatibility

**In-app purchases:** none


### Purr

[App page](https://appshunter.io/ios/app/purr-cat-map/id6799262392)

Discover and map neighborhood cats with detailed profiles and animations. Help reunite lost cats with their owners and connect with other cat lovers. Features include personalized cat pages, meal logging, and a system for reporting cats in need.

**Highlights:** Neighborhood cat mapping, Detailed cat profiles, Lost cat reunion engine, Interactive cat animations, Meal and water logging, Report cats in need, XP and badge system

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Treat | $0.99 | one-time |
| Can of Tuna | $2.99 | one-time |
| Lifetime Supply of Biscuits | $9.99 | one-time |


## Frequently asked questions

### Is Master Kit free?

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

### Is Purr free?

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

### Which has better reviews, Master Kit or Purr?

Purr is rated higher. Master Kit averages 4.4 out of 5 from 54 ratings, while Purr averages 5.0 from 1 ratings.

### Do Master Kit or Purr have ads?

Master Kit shows ads; Purr does not.

### Which is updated more often, Master Kit or Purr?

Master Kit ships an update every 2 months, and Purr every 5 days. Most recently, Master Kit was updated on November 3, 2026 and Purr on November 2, 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.*