# SDA Coaching vs Biomtrx

The clearest difference is in-app purchases: Biomtrx at none against SDA Coaching's 1. Biomtrx also leads on update cadence (every 8 days vs monthly). SDA Coaching's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SDA Coaching sells 1 in-app purchase, starting at $99.99 per month. Biomtrx asks for nothing beyond the download.

SDA Coaching ships an update monthly, Biomtrx every 8 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SDA Coaching | Biomtrx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Size | 53 MB | 46 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chris Hickling](https://appshunter.io/developer/1660268601) | [coFox Digital Ltd.](https://appshunter.io/developer/1114286411) |

## What reviewers say

### SDA Coaching

[App page](https://appshunter.io/ios/app/sda-coaching/id1660268599)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly coaching | $99.99 | per month |


### Biomtrx

[App page](https://appshunter.io/ios/app/biomtrx/id6806771106)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDA Coaching free?

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

### Is Biomtrx free?

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

### Do SDA Coaching or Biomtrx have ads?

Neither SDA Coaching nor Biomtrx shows ads.

### Which is updated more often, SDA Coaching or Biomtrx?

SDA Coaching ships an update monthly, and Biomtrx every 8 days. Most recently, SDA Coaching was updated on October 27, 2026 and Biomtrx on October 26, 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.*