# Echo Bat vs Bat Synth

The clearest difference is price: Bat Synth at Free against Echo Bat's $1.99. Bat Synth also leads on iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Bat Synth is free to download; Echo Bat costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Echo Bat | Bat Synth |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 17 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [TRIMECH Dhaker](https://appshunter.io/developer/1832697893) | [Phil Atkin](https://appshunter.io/developer/1751268739) |

## What reviewers say

### Echo Bat

[App page](https://appshunter.io/ios/app/echo-bat-sonar-sound-explorer/id6758017893)

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

**In-app purchases:** none


### Bat Synth

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo Bat free?

Echo Bat costs $1.99, with no in-app purchases.

### Is Bat Synth free?

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

### Do Echo Bat or Bat Synth have ads?

Neither Echo Bat nor Bat Synth shows ads.

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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.*