# Evolve Personal Trainers vs Built By Karl

The clearest difference is update cadence: Evolve Personal Trainers at monthly against Built By Karl's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Evolve Personal Trainers sells 1 in-app purchase, starting at $399.99 per month and Built By Karl sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

Evolve Personal Trainers ships an update monthly, Built By Karl every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Evolve Personal Trainers | Built By Karl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 51 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Evolve Trainers Personal Sport Coaching Services](https://appshunter.io/developer/1726439251) | [Karl Jardine](https://appshunter.io/developer/1874177894) |

## What reviewers say

### Evolve Personal Trainers

[App page](https://appshunter.io/ios/app/evolve-personal-trainers/id6476321688)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $399.99 | per month |


### Built By Karl

[App page](https://appshunter.io/ios/app/built-by-karl/id6758647480)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly 1-1 | $299.99 | per month |


## Frequently asked questions

### Is Evolve Personal Trainers free?

Evolve Personal Trainers is free to download, with in-app purchases available.

### Is Built By Karl free?

Built By Karl is free to download, with in-app purchases available.

### Do Evolve Personal Trainers or Built By Karl have ads?

Neither Evolve Personal Trainers nor Built By Karl shows ads.

### Which is updated more often, Evolve Personal Trainers or Built By Karl?

Evolve Personal Trainers ships an update monthly, and Built By Karl every 3 months. Most recently, Evolve Personal Trainers was updated on October 27, 2026 and Built By Karl on October 24, 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.*