# Camera RPM Meter vs 2KM

The clearest difference is in-app purchases: 2KM at none against Camera RPM Meter's 1. Camera RPM Meter's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Camera RPM Meter sells 1 one-off in-app purchase. 2KM asks for nothing beyond the download.

## The numbers

| Metric | Camera RPM Meter | 2KM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (37 ratings)](https://appshunter.io/ios/app/camera-rpm-meter-strobelight/id1583247436/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 15.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 27 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ihsan Ullah](https://appshunter.io/developer/1488089071) | [Everton Batista dos Santos](https://appshunter.io/developer/1489902110) |

## What reviewers say

### Camera RPM Meter

[App page](https://appshunter.io/ios/app/camera-rpm-meter-strobelight/id1583247436)

Measure rotational speed using your phone's camera or a simulated strobe light. Simply mark the rotating object and adjust the settings until it appears stationary to get an accurate RPM reading. The app also functions as a torchlight.

**Highlights:** Measure RPM with mobile camera, Measure RPM with strobe light simulation, Adjust RPM with seek bar or buttons, Torchlight functionality, Offline use, Compact app size

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Un Lock All Features | $3.99 | one-time |


### 2KM

[App page](https://appshunter.io/ios/app/2km/id6451072122)

**In-app purchases:** none


## Frequently asked questions

### Is Camera RPM Meter free?

Camera RPM Meter is free to download, with in-app purchases available.

### Is 2KM free?

2KM is free to download, with no in-app purchases.

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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.*