# Vibration vs NMR Solvent Peaks

The clearest difference is price: NMR Solvent Peaks at Free against Vibration's $9.99. NMR Solvent Peaks also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.6). Vibration's advantage is chart position (#147 vs unranked) and update cadence (every 6 weeks vs every 3 months). On ratings volume, ads and device support there is nothing between them.

NMR Solvent Peaks is free to download; Vibration costs $9.99 up front. Vibration sells 1 one-off in-app purchase. NMR Solvent Peaks asks for nothing beyond the download.

NMR Solvent Peaks holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 12 and 11 respectively. Written reviews point the same way: 79% of Vibration's written reviews are positive against 100% of NMR Solvent Peaks's.

Vibration ships an update every 6 weeks, NMR Solvent Peaks every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Vibration | NMR Solvent Peaks |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.6 (12 ratings)](https://appshunter.io/ios/app/vibration/id301097580/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223/reviews)** |
| Number of ratings | **12** | 11 |
| Positive reviews | 79.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#147** | — |
| Size | 13 MB | 1 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Diffraction Limited Design LLC](https://appshunter.io/developer/294410307) | [Lucas Moore](https://appshunter.io/developer/1293462222) |

## What reviewers say

### Vibration

[App page](https://appshunter.io/ios/app/vibration/id301097580)

**Currently charting:** #147 Top Paid · Business (US App Store)

This app analyzes vibration spectrums using your device's sensors. It can process time-series data, remove DC bias, apply windows, and perform FFT for frequency analysis. Results can be emailed for documentation.

**Highlights:** Built-in accelerometer and gyroscope analysis, Internal microphone and external Digiducer support, Adjustable sample rates and data lengths, FFT and frequency spectrum plotting, DC bias removal and Hamming window, Data export via email and iTunes, Apple Watch companion app for triggering

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable full Digiducer functionality | $19.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🔬 Accurate measurements
- 💡 Useful for research
- 📊 Data exportable (CSV)
- 🚀 Fast analysis

**What reviewers complain about**

- 🐛 Randomly cuts recordings
- 🐛 Locks up
- 🐛 Tried to text data file
- 🐛 Cancel button greyed out
- 🐛 Stopped working

**Reported bugs**

- Randomly cut recordings short
- Locked up and tried to text data file
- Cancel button greyed out
- Stopped working
- No longer records, saves or allows contact with developer

**Requested features**

- Spectrum analysis labels
- Continuous sampling option
- Higher sample rate
- Extend sample rate to 1kHz
- Measure mm/s


### NMR Solvent Peaks

[App page](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223)

This utility helps organic chemists quickly identify potential impurities by searching a database of NMR data. Users can input solvent, peak multiplicity, and location to find candidate impurities. It supports both proton and carbon data searches.

**Highlights:** Search for impurities by mode, solvent, multiplicity, and ppm, View alphabetical list of all impurities, Adjust user interface handedness, Select color themes, Supports proton and carbon NMR data

**In-app purchases:** none


## Frequently asked questions

### Is Vibration free?

Vibration costs $9.99, and also offers in-app purchases.

### Is NMR Solvent Peaks free?

NMR Solvent Peaks is free to download, with no in-app purchases.

### Which has better reviews, Vibration or NMR Solvent Peaks?

NMR Solvent Peaks is rated higher. Vibration averages 4.6 out of 5 from 12 ratings, while NMR Solvent Peaks averages 5.0 from 11 ratings.

### Do Vibration or NMR Solvent Peaks have ads?

Neither Vibration nor NMR Solvent Peaks shows ads.

### Which is updated more often, Vibration or NMR Solvent Peaks?

Vibration ships an update every 6 weeks, and NMR Solvent Peaks every 3 months. Most recently, Vibration was updated on November 6, 2026 and NMR Solvent Peaks on November 3, 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.*