# DMF Coaching vs Chatteris

The clearest difference is in-app purchases: Chatteris at none against DMF Coaching's 1. DMF Coaching's advantage is update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DMF Coaching sells 1 in-app purchase, starting at $100.00 per month. Chatteris asks for nothing beyond the download.

DMF Coaching ships an update monthly, Chatteris every 6 months. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DMF Coaching | Chatteris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Size | 50 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Martins Berzins](https://appshunter.io/developer/1725153162) | [Ryan Chatteris](https://appshunter.io/developer/1826994226) |

## What reviewers say

### DMF Coaching

[App page](https://appshunter.io/ios/app/dmf-coaching/id6475777729)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $100.00 | per month |


### Chatteris

[App page](https://appshunter.io/ios/app/chatteris/id6748683385)

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

**In-app purchases:** none


## Frequently asked questions

### Is DMF Coaching free?

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

### Is Chatteris free?

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

### Do DMF Coaching or Chatteris have ads?

Neither DMF Coaching nor Chatteris shows ads.

### Which is updated more often, DMF Coaching or Chatteris?

DMF Coaching ships an update monthly, and Chatteris every 6 months. Most recently, DMF Coaching was updated on October 2, 2026 and Chatteris 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.*