# Camera RPM Meter vs GridGrabber

The clearest difference is in-app purchases: GridGrabber at none against Camera RPM Meter's 1. GridGrabber also leads on ads (none vs shown). Camera RPM Meter's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

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

Camera RPM Meter ships an update every 3 weeks, GridGrabber monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Camera RPM Meter | GridGrabber |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ihsan Ullah](https://appshunter.io/developer/1488089071) | [Janis Abolins](https://appshunter.io/developer/6798236851) |

## 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 |


### GridGrabber

[App page](https://appshunter.io/ios/app/gridgrabber/id6798236849)

**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 GridGrabber free?

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

### Do Camera RPM Meter or GridGrabber have ads?

Camera RPM Meter shows ads; GridGrabber does not.

### Which is updated more often, Camera RPM Meter or GridGrabber?

Camera RPM Meter ships an update every 3 weeks, and GridGrabber monthly. Most recently, Camera RPM Meter was updated on November 3, 2026 and GridGrabber on October 31, 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.*