# SteamTrap vs Video tachometer

The clearest difference is in-app purchases: SteamTrap at none against Video tachometer's 1. SteamTrap also leads on iOS requirement (12.0 vs 15.6). Video tachometer's advantage is update cadence (every 3 months vs every 51 months). 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. SteamTrap asks for nothing beyond the download.

SteamTrap ships an update every 51 months, Video tachometer every 3 months. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SteamTrap | Video tachometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** |
| Number of ratings | — | **84** |
| Positive reviews | — | 84.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UE Systems, Inc.](https://appshunter.io/developer/1063826911) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### SteamTrap

[App page](https://appshunter.io/ios/app/steamtrap/id1346191991)

**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 SteamTrap free?

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

### Is Video tachometer free?

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

### Do SteamTrap or Video tachometer have ads?

Neither SteamTrap nor Video tachometer shows ads.

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

SteamTrap ships an update every 51 months, and Video tachometer every 3 months. Most recently, SteamTrap was updated on September 15, 2026 and Video tachometer on September 26, 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.*