# ThermVoltGe vs Play Jazz

The clearest difference is in-app purchases: Play Jazz at none against ThermVoltGe's 1. Play Jazz also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (13.0 vs 16.0). ThermVoltGe's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. ThermVoltGe sells 1 one-off in-app purchase. Play Jazz asks for nothing beyond the download.

ThermVoltGe ships an update every 2 months, Play Jazz every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ThermVoltGe | Play Jazz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 28 MB | 22 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shoma Kondo](https://appshunter.io/developer/1884832972) | [Mateusz Smarduch](https://appshunter.io/developer/6780793969) |

## What reviewers say

### ThermVoltGe

[App page](https://appshunter.io/ios/app/thermvoltge/id6774421537)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThermVoltGe Full Version | $4.99 | one-time |


### Play Jazz

[App page](https://appshunter.io/ios/app/play-jazz/id6795706994)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThermVoltGe free?

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

### Is Play Jazz free?

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

### Do ThermVoltGe or Play Jazz have ads?

Play Jazz shows ads; ThermVoltGe does not.

### Which is updated more often, ThermVoltGe or Play Jazz?

ThermVoltGe ships an update every 2 months, and Play Jazz every 5 days. Most recently, ThermVoltGe was updated on October 25, 2026 and Play Jazz 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.*