# NMR Solvent Peaks vs Molecule Simulator

The clearest difference is rating: NMR Solvent Peaks at 5.0 against Molecule Simulator's 4.3. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NMR Solvent Peaks holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 24 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

NMR Solvent Peaks ships an update every 3 months, Molecule Simulator every 4 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NMR Solvent Peaks | Molecule Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/molecule-simulator/id1538249996/reviews) |
| Number of ratings | 11 | **24** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 1 MB | 8 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Moore](https://appshunter.io/developer/1293462222) | [仕清 刘](https://appshunter.io/developer/1531464103) |

## What reviewers say

### 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


### Molecule Simulator

[App page](https://appshunter.io/ios/app/molecule-simulator/id1538249996)

Visualize the 3D structures of molecules using data from PubChem and Protein Data Bank. Explore molecules in various viewing modes and download an extensive library of compounds.

**Highlights:** 3D molecular visualization, Space filling mode, Ball-and-stick mode, Data from PubChem, Data from Protein Data Bank, Downloadable molecule library

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NMR Solvent Peaks free?

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

### Is Molecule Simulator free?

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

### Which has better reviews, NMR Solvent Peaks or Molecule Simulator?

NMR Solvent Peaks is rated higher. NMR Solvent Peaks averages 5.0 out of 5 from 11 ratings, while Molecule Simulator averages 4.3 from 24 ratings.

### Do NMR Solvent Peaks or Molecule Simulator have ads?

Neither NMR Solvent Peaks nor Molecule Simulator shows ads.

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

NMR Solvent Peaks ships an update every 3 months, and Molecule Simulator every 4 months. Most recently, NMR Solvent Peaks was updated on October 13, 2026 and Molecule Simulator on October 8, 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.*