# Video tachometer vs QGC from TAJISOFT

The clearest difference is in-app purchases: QGC from TAJISOFT at none against Video tachometer's 1. QGC from TAJISOFT also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 84%). Video tachometer's advantage is ratings volume (84 vs 3). 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. QGC from TAJISOFT asks for nothing beyond the download.

QGC from TAJISOFT holds the better App Store score, 5.0 against 4.6. 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. Written reviews point the same way: 84% of Video tachometer's written reviews are positive against 100% of QGC from TAJISOFT's.

## The numbers

| Metric | Video tachometer | QGC from TAJISOFT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/qgc-from-tajisoft/id1618653051/reviews)** |
| Number of ratings | **84** | 3 |
| Positive reviews | 83.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 88 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [TSUYOSHI KAWAMURA](https://appshunter.io/developer/864004133) |

## 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


### QGC from TAJISOFT

[App page](https://appshunter.io/ios/app/qgc-from-tajisoft/id1618653051)

This ground control station app supports ArduPilot and PX4 flight controllers. It offers Japanese language support for drone operations and mission planning.

**Highlights:** Ground control station functionality, Supports ArduPilot, Supports PX4, Japanese language support, Mission planning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Video tachometer free?

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

### Is QGC from TAJISOFT free?

QGC from TAJISOFT is free to download, with no in-app purchases.

### Which has better reviews, Video tachometer or QGC from TAJISOFT?

QGC from TAJISOFT is rated higher. Video tachometer averages 4.6 out of 5 from 84 ratings, while QGC from TAJISOFT averages 5.0 from 3 ratings.

### Do Video tachometer or QGC from TAJISOFT have ads?

Neither Video tachometer nor QGC from TAJISOFT shows ads.

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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.*