# JamEngine vs Metro

The clearest difference is update cadence: JamEngine at every 5 days against Metro's every 2 weeks. Metro's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. JamEngine sells 1 one-off in-app purchase and Metro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

JamEngine ships an update every 5 days, Metro every 2 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JamEngine | Metro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 149 MB | 40 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Orcun Keskin](https://appshunter.io/developer/1681326325) | [Santiago Sobrino Arias](https://appshunter.io/developer/1896540904) |

## What reviewers say

### JamEngine

[App page](https://appshunter.io/ios/app/jamengine/id6759828737)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JamEngine Pro | $8.99 | one-time |


### Metro

[App page](https://appshunter.io/ios/app/metro-metronome-and-trainer/id6768112510)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metro Pro | $2.99 | one-time |


## Frequently asked questions

### Is JamEngine free?

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

### Is Metro free?

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

### Do JamEngine or Metro have ads?

Neither JamEngine nor Metro shows ads.

### Which is updated more often, JamEngine or Metro?

JamEngine ships an update every 5 days, and Metro every 2 weeks. Most recently, JamEngine was updated on October 24, 2026 and Metro on October 31, 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.*