# Differential Evolution vs NMR Calculator 2

The clearest difference is update cadence: Differential Evolution at daily against NMR Calculator 2's every 33 months. Differential Evolution also leads on iOS requirement (11.0 vs 26.0). On price, ads, 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.

Differential Evolution ships an update daily, NMR Calculator 2 every 33 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Differential Evolution | NMR Calculator 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 33 months |
| Size | 33 MB | 2 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Sosna](https://appshunter.io/developer/1610607884) | [Jae-Seung Lee](https://appshunter.io/developer/1146296876) |

## What reviewers say

### Differential Evolution

[App page](https://appshunter.io/ios/app/differential-evolution/id1662013881)

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

**In-app purchases:** none


### NMR Calculator 2

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Differential Evolution free?

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

### Is NMR Calculator 2 free?

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

### Do Differential Evolution or NMR Calculator 2 have ads?

Neither Differential Evolution nor NMR Calculator 2 shows ads.

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

Differential Evolution ships an update daily, and NMR Calculator 2 every 33 months. Most recently, Differential Evolution was updated on November 3, 2026 and NMR Calculator 2 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.*