# Strobr Scope vs Video tachometer

The clearest difference is rating: Video tachometer at 4.6 against Strobr Scope's 3.7. Video tachometer also leads on update cadence (every 3 months vs every 12 months) and ratings volume (84 vs 3). Strobr Scope's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Video tachometer sells 1 one-off in-app purchase. Strobr Scope asks for nothing beyond the download.

Video tachometer holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Video tachometer has 84 ratings behind it against 3, so its average is the more settled of the two.

Strobr Scope ships an update every 12 months, Video tachometer every 3 months. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Strobr Scope | Video tachometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/strobr-scope/id1330331187/reviews) | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** |
| Number of ratings | 3 | **84** |
| Positive reviews | — | 84.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 5 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Zhang](https://appshunter.io/developer/1418087801) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### Strobr Scope

[App page](https://appshunter.io/ios/app/strobr-scope/id1330331187)

This utility app uses your device's camera to measure the frequencies of various cycles, including rotational speeds and electrical light frequencies. It offers a more convenient and less distracting alternative to traditional stroboscopes, capable of measuring even very slow rotations.

**Highlights:** Camera-based stroboscope, Measures rotational frequencies, Measures electrical light frequencies, Measures slow rotations, Continuously variable frame rates, Convenient and less distracting

**Features:** macOS Compatibility

**In-app purchases:** none


### Video tachometer

[App page](https://appshunter.io/ios/app/video-tachometer/id1492583587)

This app uses slow-motion video to create a strobe light effect, allowing you to measure rotational speeds. It records video with detailed information like frame rate and exposure, and offers customizable text overlays.

**Highlights:** Strobe light effect simulation, Rotational speed measurement (RPM/Hz), Slow-motion video recording, Customizable text overlays on video, Adjustable frame rate and exposure, Records 4K video (if supported)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Clever approach
- 🚀 Works beautifully
- 👍 Very handy
- 👍 Accurate measurements

**What reviewers complain about**

- 💸 Too much in paid version
- 💰 Free version limited
- 🤔 Confusing settings initially
- 👎 Unclear about recording
- 👎 No built-in video recording

**Reported bugs**

- Does not read anything
- Pop-ups for paid features
- Interface visible in screen recording

**Requested features**

- Ability to record video
- Slow phase shift mode
- Improved UI for initial setup
- Long press for gradual increment/decrement


## Frequently asked questions

### Is Strobr Scope free?

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

### Is Video tachometer free?

Video tachometer is free to download, with in-app purchases available.

### Which has better reviews, Strobr Scope or Video tachometer?

Video tachometer is rated higher. Strobr Scope averages 3.7 out of 5 from 3 ratings, while Video tachometer averages 4.6 from 84 ratings.

### Do Strobr Scope or Video tachometer have ads?

Neither Strobr Scope nor Video tachometer shows ads.

### Which is updated more often, Strobr Scope or Video tachometer?

Strobr Scope ships an update every 12 months, and Video tachometer every 3 months. Most recently, Strobr Scope was updated on June 1, 2026 and Video tachometer on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*