# MyCoach by Coach Catalyst vs Decem

The clearest difference is in-app purchases: MyCoach by Coach Catalyst at none against Decem's 3. MyCoach by Coach Catalyst also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Decem's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Decem sells 3 in-app purchases, starting at $7.99 per month. MyCoach by Coach Catalyst asks for nothing beyond the download.

MyCoach by Coach Catalyst ships an update every 3 weeks, Decem every 3 days. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MyCoach by Coach Catalyst | Decem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (27 ratings)](https://appshunter.io/ios/app/mycoach-by-coach-catalyst/id986569285/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 25.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 43 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Catalyst Tech LLC](https://appshunter.io/developer/1453550558) | [VICTOR MATTHEW IVANESCU](https://appshunter.io/developer/6807871681) |

## What reviewers say

### MyCoach by Coach Catalyst

[App page](https://appshunter.io/ios/app/mycoach-by-coach-catalyst/id986569285)

This app connects clients with their personal coaches to track healthy habits through yes/no questions and push notifications. It integrates with Apple Health to automatically import activity and step data.

**Highlights:** Habit compliance tracking, Push notifications for reminders, Yes/No habit check-ins, HealthKit integration, Activity and step data import

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

**In-app purchases:** none


### Decem

[App page](https://appshunter.io/ios/app/decem/id6811137549)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decem Pro Monthly | $7.99 | per month |
| Decem Pro Yearly | $59.99 | per year |
| Decem Pro Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is MyCoach by Coach Catalyst free?

MyCoach by Coach Catalyst is free to download, with no in-app purchases.

### Is Decem free?

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

### Do MyCoach by Coach Catalyst or Decem have ads?

Neither MyCoach by Coach Catalyst nor Decem shows ads.

### Which is updated more often, MyCoach by Coach Catalyst or Decem?

MyCoach by Coach Catalyst ships an update every 3 weeks, and Decem every 3 days. Most recently, MyCoach by Coach Catalyst was updated on October 22, 2026 and Decem on October 15, 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.*