# Engine vs Marathon Running Plan

The clearest difference is ads: Marathon Running Plan at none against Engine's shown. Engine's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (15.1 vs 18). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Engine sells 2 in-app purchases, starting at $9.99 per month and Marathon Running Plan sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Engine ships an update every 10 days, Marathon Running Plan every 2 months. The most recent releases landed on May 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Engine | Marathon Running Plan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 54 MB | 8 MB |
| Requires iOS | **15.1** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Les Nants](https://appshunter.io/developer/1807100390) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## 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 |


### Marathon Running Plan

[App page](https://appshunter.io/ios/app/marathon-running-plan-stride/id6772629826)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stride Pro | $4.99 | per month |
| Stride Pro | $39.99 | per year |
| Stride Pro | $39.99 | per year |


## Frequently asked questions

### Is Engine free?

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

### Is Marathon Running Plan free?

Marathon Running Plan is free to download, with in-app purchases available.

### Do Engine or Marathon Running Plan have ads?

Engine shows ads; Marathon Running Plan does not.

### Which is updated more often, Engine or Marathon Running Plan?

Engine ships an update every 10 days, and Marathon Running Plan every 2 months. Most recently, Engine was updated on May 19, 2026 and Marathon Running Plan on September 8, 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.*