# NMR Tutor vs Chemistry Toolbox

The clearest difference is in-app purchases: NMR Tutor at none against Chemistry Toolbox's 2. Chemistry Toolbox's advantage is update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chemistry Toolbox sells 2 one-off in-app purchases. NMR Tutor asks for nothing beyond the download.

NMR Tutor ships an update fortnightly, Chemistry Toolbox daily. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NMR Tutor | Chemistry Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nmr-tutor/id785450176/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 7 MB | 12 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tim E. Burrow](https://appshunter.io/developer/367216557) | [Florent Breton](https://appshunter.io/developer/1184085186) |

## What reviewers say

### NMR Tutor

[App page](https://appshunter.io/ios/app/nmr-tutor/id785450176)

Explore NMR data acquisition and signal processing with interactive simulations. Adjust parameters like noise, apodization, and phase to observe immediate effects on FID and spectra. Learn about common artifacts and advanced concepts like spin-spin coupling.

**Highlights:** Interactive FID and spectra simulations, Adjustable peak positions and decay, Noise and apodization control, Zero filling and phase correction, Simulate acquisition artifacts, Explore spin-spin coupling

**Features:** Vision Pro support

**In-app purchases:** none


### Chemistry Toolbox

[App page](https://appshunter.io/ios/app/chemistry-toolbox/id6764052683)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $0.99 | one-time |
| Full app | $4.99 | one-time |


## Frequently asked questions

### Is NMR Tutor free?

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

### Is Chemistry Toolbox free?

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

### Do NMR Tutor or Chemistry Toolbox have ads?

Neither NMR Tutor nor Chemistry Toolbox shows ads.

### Which is updated more often, NMR Tutor or Chemistry Toolbox?

NMR Tutor ships an update fortnightly, and Chemistry Toolbox daily. Most recently, NMR Tutor was updated on October 10, 2026 and Chemistry Toolbox on October 2, 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.*