# Orbital Harp vs JamEngine

The clearest difference is iOS requirement: Orbital Harp at 16.0 against JamEngine's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Orbital Harp | JamEngine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/orbital-harp/id6757623564/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 149 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Static Void Studio, LLC](https://appshunter.io/developer/1831827968) | [Orcun Keskin](https://appshunter.io/developer/1681326325) |

## What reviewers say

### Orbital Harp

[App page](https://appshunter.io/ios/app/orbital-harp/id6757623564)

Create unique orbital symphonies by tapping to generate planets that play notes as they orbit suns. Experience ever-changing soundscapes that blend chaos and calm, with a variety of instruments and visual effects.

**Highlights:** Generative music creation, 17 unique instruments, Beautiful nebula visuals, Multiple musical scales, Configurable physics and effects, Background playback, MIDI support (Premium)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $4.99 | one-time |


### JamEngine

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Orbital Harp free?

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

### Is JamEngine free?

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

### Do Orbital Harp or JamEngine have ads?

Neither Orbital Harp nor JamEngine shows ads.

### Which is updated more often, Orbital Harp or JamEngine?

Orbital Harp ships an update every 5 days, and JamEngine every 5 days. Most recently, Orbital Harp was updated on October 5, 2026 and JamEngine on September 27, 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.*