# Vibrometer vs Speed Performance

The clearest difference is price: Speed Performance at Free against Vibrometer's $0.99. Speed Performance also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Vibrometer's advantage is update cadence (every 21 months vs every 84 months). On ads and in-app purchases there is nothing between them.

Speed Performance is free to download; Vibrometer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vibrometer ships an update every 21 months, Speed Performance every 84 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Vibrometer | Speed Performance |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vibrometer/id353867884/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 21 months** | Every 84 months |
| Monetization | Paid | — |
| Size | 6 MB | 115 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Adrian Minca](https://appshunter.io/developer/1224651577) |

## What reviewers say

### Vibrometer

[App page](https://appshunter.io/ios/app/vibrometer/id353867884)

This game challenges players to remain as motionless as possible to win. It also functions as a tool to measure and record real-time vibrations, calculating energy consumed and acceleration data.

**Highlights:** Real-time vibration measurement, Energy consumption counter, Vibration recording, Multiplayer stillness challenges, Acceleration data charting, Save and email acceleration diagrams

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Speed Performance

[App page](https://appshunter.io/ios/app/speed-performance/id1224651578)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vibrometer free?

Vibrometer costs $0.99, with no in-app purchases.

### Is Speed Performance free?

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

### Do Vibrometer or Speed Performance have ads?

Neither Vibrometer nor Speed Performance shows ads.

### Which is updated more often, Vibrometer or Speed Performance?

Vibrometer ships an update every 21 months, and Speed Performance every 84 months. Most recently, Vibrometer was updated on October 9, 2026 and Speed Performance on October 1, 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.*