# Bat Synth vs OpenBat

The clearest difference is iOS requirement: Bat Synth at 15.6 against OpenBat's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bat Synth ships an update every 5 days, OpenBat every 4 days. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bat Synth | OpenBat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 1 MB | 52 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Phil Atkin](https://appshunter.io/developer/1751268739) | [Niall Bell](https://appshunter.io/developer/1884697412) |

## What reviewers say

### Bat Synth

[App page](https://appshunter.io/ios/app/bat-synth/id6785821306)

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

**In-app purchases:** none


### OpenBat

[App page](https://appshunter.io/ios/app/openbat/id6787886621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bat Synth free?

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

### Is OpenBat free?

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

### Do Bat Synth or OpenBat have ads?

Neither Bat Synth nor OpenBat shows ads.

### Which is updated more often, Bat Synth or OpenBat?

Bat Synth ships an update every 5 days, and OpenBat every 4 days. Most recently, Bat Synth was updated on September 21, 2026 and OpenBat on October 1, 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.*