# Engine vs Trueform

The clearest difference is ads: Trueform at none against Engine's shown. Trueform also leads on update cadence (every 3 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Engine sells 2 in-app purchases, starting at $9.99 per month and Trueform sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Engine ships an update every 10 days, Trueform every 3 days. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Engine | Trueform |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/trueform-stretch-and-mobility/id6783914054/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 54 MB | 93 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Les Nants](https://appshunter.io/developer/1807100390) | [DWG Labs LLC](https://appshunter.io/developer/1891227987) |

## What reviewers say

### Engine

[App page](https://appshunter.io/ios/app/engine-boost-your-vo2max/id6756730497)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Yearly Plan | $39.99 | per year |


### Trueform

[App page](https://appshunter.io/ios/app/trueform-stretch-and-mobility/id6783914054)

This app creates personalized mobility and recovery plans tailored to your goals and physical needs. It offers guided sessions with video demonstrations and an adaptive AI coach to help you ease stiffness, improve flexibility, and build confidence in your movement.

**Highlights:** Personalized multi-day programs, Adaptive AI coach, Guided sessions with video, Journeys and quick sessions, Progress tracking, Bodyweight and equipment training

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trueform Premium Monthly | $19.99 | per month |
| Trueform Premium Annual - Special | $39.99 | per year |
| Trueform Premium Annual | $59.99 | per year |


## Frequently asked questions

### Is Engine free?

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

### Is Trueform free?

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

### Do Engine or Trueform have ads?

Engine shows ads; Trueform does not.

### Which is updated more often, Engine or Trueform?

Engine ships an update every 10 days, and Trueform every 3 days. Most recently, Engine was updated on September 30, 2026 and Trueform on October 15, 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.*