# GrowthBook vs Purpose Fit Studio

The clearest difference is in-app purchases: Purpose Fit Studio at none against GrowthBook's 3. Purpose Fit Studio also leads on update cadence (monthly vs every 17 months). GrowthBook's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. GrowthBook sells 3 in-app purchases, starting at $0.99 per 7 days. Purpose Fit Studio asks for nothing beyond the download.

GrowthBook ships an update every 17 months, Purpose Fit Studio monthly. Both last shipped on October 29, 2026.

## The numbers

| Metric | GrowthBook | Purpose Fit Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Size | 39 MB | 112 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MobileFirst India](https://appshunter.io/developer/1231959483) | [OCTIV FITNESS (PTY) LTD](https://appshunter.io/developer/1157526690) |

## What reviewers say

### GrowthBook

[App page](https://appshunter.io/ios/app/growthbook/id1572471892)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Unlimited Access | $0.99 | per 7 days |
| Monthly Unlimited Access | $3.49 | per month |
| Yearly Access | $32.99 | per year |


### Purpose Fit Studio

[App page](https://appshunter.io/ios/app/purpose-fit-studio/id6795946914)

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

**In-app purchases:** none


## Frequently asked questions

### Is GrowthBook free?

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

### Is Purpose Fit Studio free?

Purpose Fit Studio is free to download, with no in-app purchases.

### Do GrowthBook or Purpose Fit Studio have ads?

Neither GrowthBook nor Purpose Fit Studio shows ads.

### Which is updated more often, GrowthBook or Purpose Fit Studio?

GrowthBook ships an update every 17 months, and Purpose Fit Studio monthly. Most recently, GrowthBook was updated on October 29, 2026 and Purpose Fit Studio on October 29, 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.*