# WEJAM vs Theremin Air

The clearest difference is in-app purchases: Theremin Air at none against WEJAM's 2. Theremin Air also leads on update cadence (every 5 weeks vs every 3 months). WEJAM's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price and ads there is nothing between them.

Both are free to download. WEJAM sells 2 one-off in-app purchases. Theremin Air asks for nothing beyond the download.

WEJAM ships an update every 3 months, Theremin Air every 5 weeks. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | WEJAM | Theremin Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/wejam/id1000431316/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 148 MB | 74 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Interaction Ideas GmbH](https://appshunter.io/developer/687938571) | [Julien CICLET](https://appshunter.io/developer/6779519081) |

## What reviewers say

### WEJAM

[App page](https://appshunter.io/ios/app/wejam/id1000431316)

Easily create melodies and riffs by swiping your screen. Connect with others worldwide for real-time collaborative music creation.

**Highlights:** Easy melody creation, Real-time jam sessions, Global connections, Intuitive swipe interface, Collaborative music making

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEJAM Premium Sounds | $1.99 | one-time |
| Remove Ads - Lifetime | $2.99 | one-time |


### Theremin Air

[App page](https://appshunter.io/ios/app/theremin-air/id6779519079)

**In-app purchases:** none


## Frequently asked questions

### Is WEJAM free?

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

### Is Theremin Air free?

Theremin Air is free to download, with no in-app purchases.

### Do WEJAM or Theremin Air have ads?

Neither WEJAM nor Theremin Air shows ads.

### Which is updated more often, WEJAM or Theremin Air?

WEJAM ships an update every 3 months, and Theremin Air every 5 weeks. Most recently, WEJAM was updated on October 5, 2026 and Theremin Air 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.*