# RevMeter Pro vs GEJOScan

The clearest difference is price: GEJOScan at Free against RevMeter Pro's $6.99. GEJOScan also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On ads and in-app purchases there is nothing between them.

GEJOScan is free to download; RevMeter Pro costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | RevMeter Pro | GEJOScan |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[2.2 (5 ratings)](https://appshunter.io/ios/app/revmeter-pro/id357421594/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 26.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 37 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Schorer](https://appshunter.io/developer/290579382) | [GJS Inspektionssysteme](https://appshunter.io/developer/1826573493) |

## What reviewers say

### RevMeter Pro

[App page](https://appshunter.io/ios/app/revmeter-pro/id357421594)

This app measures the reverberation time (RT60) of any room using your iPhone. It offers dual measurement modes and calculates RT60 based on RT20 and RT30 decay slopes. Easily export data and visualize acoustic analysis.

**Highlights:** Measures reverberation time (RT60), Dual measurement modes (Impulse, Interrupted Noise), Calculates RT60 using RT20/RT30 standards, Data export (CSV, Screenshots), Visual decay curves and spectrograms

**In-app purchases:** none


### GEJOScan

[App page](https://appshunter.io/ios/app/gejoscan/id6748613285)

**In-app purchases:** none


## Frequently asked questions

### Is RevMeter Pro free?

RevMeter Pro costs $6.99, with no in-app purchases.

### Is GEJOScan free?

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

### Do RevMeter Pro or GEJOScan have ads?

Neither RevMeter Pro nor GEJOScan 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.*