# Zero Boundaries vs DouganFit

Zero Boundaries and DouganFit 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. Zero Boundaries sells 1 in-app purchase, starting at $299.99 per month and DouganFit sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Zero Boundaries | DouganFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 56 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Zachary Champion](https://appshunter.io/developer/1822770683) | [LIAM MICHAEL DOUGAN](https://appshunter.io/developer/1842114169) |

## What reviewers say

### Zero Boundaries

[App page](https://appshunter.io/ios/app/zero-boundaries/id6747757638)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coaching Plan | $299.99 | per month |


### DouganFit

[App page](https://appshunter.io/ios/app/douganfit/id6753007617)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transformation System | $299.99 | per month |


## Frequently asked questions

### Is Zero Boundaries free?

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

### Is DouganFit free?

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

### Do Zero Boundaries or DouganFit have ads?

Neither Zero Boundaries nor DouganFit shows ads.

### Which is updated more often, Zero Boundaries or DouganFit?

Zero Boundaries ships an update every 3 months, and DouganFit every 3 months. Most recently, Zero Boundaries was updated on September 30, 2026 and DouganFit on October 14, 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.*