# SpeedClock vs Video tachometer

The clearest difference is price: Video tachometer at Free against SpeedClock's $2.99. Video tachometer also leads on review sentiment (85% vs 41%) and rating (4.6 vs 2.4). SpeedClock's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.6). On ratings volume, update cadence, ads and device support there is nothing between them.

Video tachometer is free to download; SpeedClock costs $2.99 up front. Video tachometer sells 1 one-off in-app purchase. SpeedClock asks for nothing beyond the download.

Video tachometer holds the better App Store score, 4.6 against 2.4. Both are backed by a comparable volume of ratings — 83 and 84 respectively. Written reviews point the same way: 41% of SpeedClock's written reviews are positive against 85% of Video tachometer's.

SpeedClock ships an update every 2 months, Video tachometer every 3 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SpeedClock | Video tachometer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.4 (83 ratings)](https://appshunter.io/ios/app/speedclock-video-radar/id400876654/reviews) | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** |
| Number of ratings | 83 | **84** |
| Positive reviews | 41.3% of reviews | **84.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 34 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### SpeedClock

[App page](https://appshunter.io/ios/app/speedclock-video-radar/id400876654)

This app uses your device's camera and motion detection to measure the speed of various moving objects. It offers multiple tools for speed and distance estimation, including high-speed video recording and synchronized timing gates.

**Highlights:** Motion detection speed measurement, High-speed video recording, Synchronized timing gates, Distance estimation tools, Apple Watch integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate speed measurement when properly configured
- 💰 Affordable price point ($1.99-$4.99)
- 📸 Snapshot capture with timestamp and speed data
- 🎯 Works well with tripod stabilization
- 🔧 Versatile for measuring various moving objects

**What reviewers complain about**

- 🐛 Inconsistent accuracy across devices and iOS versions
- ⚠️ Requires precise manual distance calibration
- 🎯 Poor object tracking in crowded scenes
- 🌳 Sensitive to background motion and environmental factors
- 📱 Incompatible with some iPhone models

**Reported bugs**

- App crashes on startup after updates
- Background motion detection too sensitive
- Speed readings 50% lower than actual speed
- Pins reset to different location after saving
- Cannot clear speed log properly

**Requested features**

- Single object tracking from multiple options
- Automatic distance calibration via GPS
- User profiles for different configurations
- Improved data export functionality
- Date and time stamp on captured images


### 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 SpeedClock free?

SpeedClock costs $2.99, with no in-app purchases.

### Is Video tachometer free?

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

### Which has better reviews, SpeedClock or Video tachometer?

Video tachometer is rated higher. SpeedClock averages 2.4 out of 5 from 83 ratings, while Video tachometer averages 4.6 from 84 ratings.

### Do SpeedClock or Video tachometer have ads?

Neither SpeedClock nor Video tachometer shows ads.

### Which is updated more often, SpeedClock or Video tachometer?

SpeedClock ships an update every 2 months, and Video tachometer every 3 months. Most recently, SpeedClock was updated on October 20, 2026 and Video tachometer on October 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.*