# Video tachometer vs Belimo Assistant 2

The clearest difference is review sentiment: Video tachometer at 85% against Belimo Assistant 2's 0%. Video tachometer also leads on rating (4.6 vs 3.4) and ratings volume (84 vs 10). Belimo Assistant 2's advantage is in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 3 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. Belimo Assistant 2 asks for nothing beyond the download.

Video tachometer holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Video tachometer has 84 ratings behind it against 10, 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 Belimo Assistant 2's.

Video tachometer ships an update every 3 months, Belimo Assistant 2 every 5 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Video tachometer | Belimo Assistant 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** | [3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews) |
| Number of ratings | **84** | 10 |
| Positive reviews | **84.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 122 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## 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


### Belimo Assistant 2

[App page](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004)

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.

**Highlights:** Device parameter modification, Identification data display, MP-Bus, BACnet, Modbus addressing, Guided parameter setup, Configuration copy/paste, Live trending and local override, Device health and operation monitoring, Digital report generation

**In-app purchases:** none


## Frequently asked questions

### Is Video tachometer free?

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

### Is Belimo Assistant 2 free?

Belimo Assistant 2 is free to download, with no in-app purchases.

### Which has better reviews, Video tachometer or Belimo Assistant 2?

Video tachometer is rated higher. Video tachometer averages 4.6 out of 5 from 84 ratings, while Belimo Assistant 2 averages 3.4 from 10 ratings.

### Do Video tachometer or Belimo Assistant 2 have ads?

Neither Video tachometer nor Belimo Assistant 2 shows ads.

### Which is updated more often, Video tachometer or Belimo Assistant 2?

Video tachometer ships an update every 3 months, and Belimo Assistant 2 every 5 weeks. Most recently, Video tachometer was updated on October 4, 2026 and Belimo Assistant 2 on October 6, 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.*