# All NMR vs Third grade Math

The clearest difference is price: All NMR at Free against Third grade Math's $2.99. Third grade Math's advantage is update cadence (every 28 months vs every 72 months) and device support. On in-app purchases and iOS requirement there is nothing between them.

All NMR is free to download; Third grade Math costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

All NMR ships an update every 72 months, Third grade Math every 28 months. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | All NMR | Third grade Math |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/all-nmr/id808434461/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 72 months | **Every 28 months** |
| Monetization | Free | — |
| Size | 143 MB | 17 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Sergey Malugin](https://appshunter.io/developer/562782409) |

## What reviewers say

### All NMR

[App page](https://appshunter.io/ios/app/all-nmr/id808434461)

Predict ¹³C and ¹H NMR spectra by drawing chemical structures. Offers instant recalculation, iCloud synchronization across devices, and PDF report generation. Features zoomable spectra and structures with chemical shift values displayed on the structure.

**Highlights:** Predict ¹³C and ¹H NMR spectra, Draw chemical structures, Instant spectrum recalculation, iCloud synchronization, Email PDF reports, Zoomable spectra and structures

**In-app purchases:** none


### Third grade Math

[App page](https://appshunter.io/ios/app/third-grade-math-subtraction/id1271515324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All NMR free?

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

### Is Third grade Math free?

Third grade Math costs $2.99, with no in-app purchases.

### Which is updated more often, All NMR or Third grade Math?

All NMR ships an update every 72 months, and Third grade Math every 28 months. Most recently, All NMR was updated on October 20, 2026 and Third grade Math on October 10, 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.*