# Vibration analysis vs Spectrolite

The clearest difference is rating: Spectrolite at 4.8 against Vibration analysis's 4.0. Spectrolite also leads on review sentiment (83% vs 57%). Vibration analysis's advantage is update cadence (every 3 months vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Vibration analysis sells 2 one-off in-app purchases and Spectrolite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Spectrolite holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 43 and 51 respectively. Written reviews point the same way: 57% of Vibration analysis's written reviews are positive against 83% of Spectrolite's.

Vibration analysis ships an update every 3 months, Spectrolite every 8 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Vibration analysis | Spectrolite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (43 ratings)](https://appshunter.io/ios/app/vibration-analysis/id817385888/reviews) | **[4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews)** |
| Number of ratings | 43 | **51** |
| Positive reviews | 57.4% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 1 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Waxing Wave](https://appshunter.io/developer/392942046) |

## What reviewers say

### Vibration analysis

[App page](https://appshunter.io/ios/app/vibration-analysis/id817385888)

This app analyzes phone accelerometer data to create a vibration spectrum. It helps evaluate vibration strength, frequency, and the rotation speed of various mechanisms like fans and motors. Useful for quality checks, malfunction detection, and balancing homemade rotating parts.

**Highlights:** Vibration spectrum analysis, Rotation speed evaluation, Mechanism quality assessment, Malfunction monitoring, Customizable FFT size, Multiple units of measurement, Peak frequency detection

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Settings | $2.99 | one-time |
| External accelerometer | $2.99 | one-time |


### Spectrolite

[App page](https://appshunter.io/ios/app/spectrolite/id1480240180)

This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.

**Highlights:** Real-time spectrogram visualization, Constant-Q, linear, and mel frequency scales, Full human hearing frequency range, Intuitive touch panning and zooming, Adjustable gain, Q, and other parameters, Pro version: grids, scales, spectrum view, tap-to-measure

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


## Frequently asked questions

### Is Vibration analysis free?

Vibration analysis is free to download, with in-app purchases available.

### Is Spectrolite free?

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

### Which has better reviews, Vibration analysis or Spectrolite?

Spectrolite is rated higher. Vibration analysis averages 4.0 out of 5 from 43 ratings, while Spectrolite averages 4.8 from 51 ratings.

### Do Vibration analysis or Spectrolite have ads?

Neither Vibration analysis nor Spectrolite shows ads.

### Which is updated more often, Vibration analysis or Spectrolite?

Vibration analysis ships an update every 3 months, and Spectrolite every 8 months. Most recently, Vibration analysis was updated on October 4, 2026 and Spectrolite on September 23, 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.*