# DEFINE vs StretchPrep

The clearest difference is update cadence: StretchPrep at every 4 days against DEFINE's every 9 days. DEFINE's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. DEFINE sells 2 in-app purchases, starting at $4.99 per month and StretchPrep sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

DEFINE ships an update every 9 days, StretchPrep every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DEFINE | StretchPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 73 MB | 33 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Illan MASTEY](https://appshunter.io/developer/6780292068) | [Antoine Conan](https://appshunter.io/developer/1870239015) |

## What reviewers say

### DEFINE

[App page](https://appshunter.io/ios/app/define-face-and-nutrition/id6780292066)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DEFINE+ Monthly | $4.99 | per month |
| DEFINE+ Yearly | $39.99 | per year |


### StretchPrep

[App page](https://appshunter.io/ios/app/stretchprep-routine-builder/id6790889582)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is DEFINE free?

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

### Is StretchPrep free?

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

### Do DEFINE or StretchPrep have ads?

Neither DEFINE nor StretchPrep shows ads.

### Which is updated more often, DEFINE or StretchPrep?

DEFINE ships an update every 9 days, and StretchPrep every 4 days. Most recently, DEFINE was updated on October 24, 2026 and StretchPrep on October 28, 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.*