# JOE vs Quavery Theremin

The clearest difference is in-app purchases: JOE at none against Quavery Theremin's 3. JOE also leads on ratings volume (7 vs 1). Quavery Theremin's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Quavery Theremin sells 3 one-off in-app purchases. JOE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for JOE against 5.0 for Quavery Theremin. That said, the two scores are not equally well evidenced: JOE has 7 ratings behind it against 1, so its average is the more settled of the two.

JOE ships an update every 3 weeks, Quavery Theremin weekly. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | JOE | Quavery Theremin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/joe/id1497154604/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quavery-theremin/id6800290999/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 44 MB | 9 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [DPG Media Services](https://appshunter.io/developer/392582240) | [Leo Makkinje](https://appshunter.io/developer/349849464) |

## What reviewers say

### JOE

[App page](https://appshunter.io/ios/app/joe/id1497154604)

Listen to timeless hits from the 70s, 80s, and 90s, along with engaging entertainment. This essential app keeps your favorite radio station accessible anytime, anywhere.

**Highlights:** Listen anytime, anywhere, Timeless hits from the 70s, 80s, 90s, Engaging entertainment, Favorite radio station access, Mobile app

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

**In-app purchases:** none


### Quavery Theremin

[App page](https://appshunter.io/ios/app/quavery-theremin/id6800290999)

Transform facial movements into music with this innovative instrument. Control pitch, volume, and effects using only your expressions, with a live visualizer to guide your performance. It's a touchless, private, and free way to create unique sounds.

**Highlights:** Facial expression to sound control, Touchless instrument interface, Live status panel for sound visualization, Multiple waveforms and pitch scales, Privacy-focused design, no data sent, Built-in control guide

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.99 | one-time |
| Medium tip | $2.99 | one-time |
| Large tip | $4.99 | one-time |


## Frequently asked questions

### Is JOE free?

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

### Is Quavery Theremin free?

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

### Which has better reviews, JOE or Quavery Theremin?

Quavery Theremin is rated higher. JOE averages 4.9 out of 5 from 7 ratings, while Quavery Theremin averages 5.0 from 1 ratings.

### Do JOE or Quavery Theremin have ads?

JOE shows ads; Quavery Theremin does not.

### Which is updated more often, JOE or Quavery Theremin?

JOE ships an update every 3 weeks, and Quavery Theremin weekly. Most recently, JOE was updated on October 30, 2026 and Quavery Theremin on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*