# Sensor Recorder Pro vs Ear Sonar

The clearest difference is in-app purchases: Ear Sonar at none against Sensor Recorder Pro's 1. Sensor Recorder Pro's advantage is iOS requirement (15.4 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sensor Recorder Pro sells 1 one-off in-app purchase. Ear Sonar asks for nothing beyond the download.

## The numbers

| Metric | Sensor Recorder Pro | Ear Sonar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 3 MB | 18 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓聪 姜](https://appshunter.io/developer/6782490208) | [乃君 黄](https://appshunter.io/developer/1337343608) |

## What reviewers say

### Sensor Recorder Pro

[App page](https://appshunter.io/ios/app/sensor-recorder-pro/id6782758613)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Recording | $2.99 | one-time |


### Ear Sonar

[App page](https://appshunter.io/ios/app/ear-sonar/id6800315771)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Recorder Pro free?

Sensor Recorder Pro is free to download, with in-app purchases available.

### Is Ear Sonar free?

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

### Do Sensor Recorder Pro or Ear Sonar have ads?

Neither Sensor Recorder Pro nor Ear Sonar 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.*