# Built By Karl vs Jacob Active

Built By Karl and Jacob Active are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Built By Karl ships an update every 3 months, Jacob Active every 2 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Built By Karl | Jacob Active |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 56 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Karl Jardine](https://appshunter.io/developer/1874177894) | [Jacob Oakley](https://appshunter.io/developer/6788011107) |

## What reviewers say

### 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 |


### Jacob Active

[App page](https://appshunter.io/ios/app/jacob-active/id6788011105)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JA Online Coaching Monthly | $299.99 | per month |


## Frequently asked questions

### Is Built By Karl free?

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

### Is Jacob Active free?

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

### Do Built By Karl or Jacob Active have ads?

Neither Built By Karl nor Jacob Active shows ads.

### Which is updated more often, Built By Karl or Jacob Active?

Built By Karl ships an update every 3 months, and Jacob Active every 2 months. Most recently, Built By Karl was updated on November 5, 2026 and Jacob Active on November 5, 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.*