# NMR Calculator 2 vs Yomio

The clearest difference is ads: NMR Calculator 2 at none against Yomio's shown. Yomio's advantage is update cadence (every 3 months vs every 33 months) and iOS requirement (15.1 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

NMR Calculator 2 ships an update every 33 months, Yomio every 3 months. The most recent releases landed on September 27, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | NMR Calculator 2 | Yomio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | **Every 3 months** |
| Size | 2 MB | 58 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jae-Seung Lee](https://appshunter.io/developer/1146296876) | [PoYuan Wang](https://appshunter.io/developer/1881051458) |

## What reviewers say

### NMR Calculator 2

[App page](https://appshunter.io/ios/app/nmr-calculator-2/id6466729022)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yomio

[App page](https://appshunter.io/ios/app/yomio/id6759832244)

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

**In-app purchases:** none


## Frequently asked questions

### Is NMR Calculator 2 free?

NMR Calculator 2 is free to download, with no in-app purchases.

### Is Yomio free?

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

### Do NMR Calculator 2 or Yomio have ads?

Yomio shows ads; NMR Calculator 2 does not.

### Which is updated more often, NMR Calculator 2 or Yomio?

NMR Calculator 2 ships an update every 33 months, and Yomio every 3 months. Most recently, NMR Calculator 2 was updated on September 27, 2026 and Yomio on September 9, 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.*