# Video tachometer vs Strobe Light

The clearest difference is review sentiment: Video tachometer at 85% against Strobe Light's 0%. Video tachometer also leads on rating (4.6 vs 2.0) and ads (none vs shown). Strobe Light's advantage is in-app purchases (none vs 1). On price, device support and iOS requirement there is nothing between them.

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

Video tachometer holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Video tachometer has 84 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Video tachometer's written reviews are positive against 0% of Strobe Light's.

Video tachometer ships an update every 3 months, Strobe Light every 7 months. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Video tachometer | Strobe Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/strobe-light-rpm/id6747579407/reviews) |
| Number of ratings | **84** | 1 |
| Positive reviews | **84.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 5 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Zain Saeed Mughal](https://appshunter.io/developer/1762408320) |

## What reviewers say

### 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


### Strobe Light

[App page](https://appshunter.io/ios/app/strobe-light-rpm/id6747579407)

This application transforms your smartphone into a digital tachometer using its flashlight. It measures the rotational speed (RPM) of objects by flashing light at them, making them appear stationary when the flash rate matches their speed. Save readings and use it for mechanics, education, or industrial checks.

**Highlights:** Measures RPM of rotating objects, Adjustable strobe speed (1-10,000 RPM), Quick adjustment buttons (+/- increments), Flash sync for accuracy, Save and review RPM data, Works in low light conditions

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

**In-app purchases:** none


## Frequently asked questions

### Is Video tachometer free?

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

### Is Strobe Light free?

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

### Which has better reviews, Video tachometer or Strobe Light?

Video tachometer is rated higher. Video tachometer averages 4.6 out of 5 from 84 ratings, while Strobe Light averages 2.0 from 1 ratings.

### Do Video tachometer or Strobe Light have ads?

Strobe Light shows ads; Video tachometer does not.

### Which is updated more often, Video tachometer or Strobe Light?

Video tachometer ships an update every 3 months, and Strobe Light every 7 months. Most recently, Video tachometer was updated on September 26, 2026 and Strobe Light on September 22, 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.*