# Mastermind vs Duchenne Map

The clearest difference is in-app purchases: Duchenne Map at none against Mastermind's 10. Mastermind's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mastermind sells 9 in-app purchases, starting at $9.99 per 7 days. Duchenne Map asks for nothing beyond the download.

Mastermind ships an update monthly, Duchenne Map every 2 months. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mastermind | Duchenne Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (53 ratings)](https://appshunter.io/ios/app/mastermind-self-improvement/id6745372849/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 32 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MYKS Labs Inc.](https://appshunter.io/developer/1803280982) | [Siminiuc Sergiu](https://appshunter.io/developer/1188043814) |

## What reviewers say

### Mastermind

[App page](https://appshunter.io/ios/app/mastermind-self-improvement/id6745372849)

This app provides a personalized habit-building system based on behavioral psychology. It assesses your needs, creates a scalable habit sequence, and offers daily coaching and progress tracking to foster lasting life changes.

**Highlights:** Personalized habit assessment, Progressive habit scaling, Daily coaching and insights, Real-time progress tracking, Gamified progress system, Evidence-based habit library

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mastermind: Self Improvement | $9.99 | per 7 days |
| Mastermind: Self Improvement | $14.99 | per month |
| Mastermind: Self Improvement | $19.99 | per month |
| Mastermind: Self Improvement | $29.99 | per year |
| Mastermind: Self Improvement | $34.99 | per 3 months |
| Mastermind: Self Improvement | $39.99 | per year |
| Mastermind: Self Improvement | $39.99 | per year |
| Mastermind: Self Improvement | $49.99 | per year |
| Mastermind: Self Improvement | $59.99 | per year |


### Duchenne Map

[App page](https://appshunter.io/ios/app/duchenne-map/id6773433864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mastermind free?

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

### Is Duchenne Map free?

Duchenne Map is free to download, with no in-app purchases.

### Do Mastermind or Duchenne Map have ads?

Neither Mastermind nor Duchenne Map shows ads.

### Which is updated more often, Mastermind or Duchenne Map?

Mastermind ships an update monthly, and Duchenne Map every 2 months. Most recently, Mastermind was updated on October 23, 2026 and Duchenne Map on October 31, 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.*