# Video tachometer vs SUNNYSKY

The clearest difference is in-app purchases: SUNNYSKY at none against Video tachometer's 1. SUNNYSKY also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (12.4 vs 15.6). 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. SUNNYSKY asks for nothing beyond the download.

Video tachometer ships an update every 3 months, SUNNYSKY every 9 days. The most recent releases landed on September 10, 2026 and February 26, 2026 respectively.

## The numbers

| Metric | Video tachometer | SUNNYSKY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (84 ratings)](https://appshunter.io/ios/app/video-tachometer/id1492583587/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 5 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [翔 任](https://appshunter.io/developer/1680645716) |

## 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 |


### SUNNYSKY

[App page](https://appshunter.io/ios/app/sunnysky/id6472908945)

**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 SUNNYSKY free?

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

### Do Video tachometer or SUNNYSKY have ads?

Neither Video tachometer nor SUNNYSKY shows ads.

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

Video tachometer ships an update every 3 months, and SUNNYSKY every 9 days. Most recently, Video tachometer was updated on September 10, 2026 and SUNNYSKY on February 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.*