# Coach Catalyst vs Leptin

The clearest difference is in-app purchases: Coach Catalyst at none against Leptin's 10. Leptin's advantage is update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Leptin sells 10 in-app purchases, starting at $9.99 per month. Coach Catalyst asks for nothing beyond the download.

Coach Catalyst ships an update monthly, Leptin every 4 days. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Coach Catalyst | Leptin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (20 ratings)](https://appshunter.io/ios/app/coach-catalyst/id1475622824/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 42 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Catalyst Tech LLC](https://appshunter.io/developer/1453550558) | [GRAYLIN AI (PTY) LTD](https://appshunter.io/developer/1872989548) |

## What reviewers say

### Coach Catalyst

[App page](https://appshunter.io/ios/app/coach-catalyst/id1475622824)

This app helps clients of certified coaches track healthy habits through push notifications and yes/no prompts. It integrates with Apple Health to automatically import activity and step data.

**Highlights:** Habit compliance prompts, Push notifications, Yes/No question responses, HealthKit integration, Activity and step data import

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

**In-app purchases:** none


### Leptin

[App page](https://appshunter.io/ios/app/leptin/id6765621429)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $9.99 | per month |
| Premium Monthly | $19.99 | per month |
| Unlimited Monthly | $49.99 | per month |
| Basic Yearly | $99.99 | per year |
| Premium Yearly | $199.99 | per year |
| Unlimited Yearly | $499.99 | per year |
| $10 AI Credits | $12.99 | one-time |
| $25 AI Credits | $32.99 | one-time |
| $50 AI Credits | $64.99 | one-time |
| $100 AI Credits | $129.99 | one-time |


## Frequently asked questions

### Is Coach Catalyst free?

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

### Is Leptin free?

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

### Do Coach Catalyst or Leptin have ads?

Neither Coach Catalyst nor Leptin shows ads.

### Which is updated more often, Coach Catalyst or Leptin?

Coach Catalyst ships an update monthly, and Leptin every 4 days. Most recently, Coach Catalyst was updated on September 28, 2026 and Leptin on September 25, 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.*