# NIR vs Organic Chemistry

The clearest difference is in-app purchases: NIR at none against Organic Chemistry's 3. NIR also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Organic Chemistry sells 3 in-app purchases, starting at $4.99 per 7 days. NIR asks for nothing beyond the download.

NIR ships an update every 2 weeks, Organic Chemistry every 2 months. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | NIR | Organic Chemistry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 82 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Sultan](https://appshunter.io/developer/1711924608) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### NIR

[App page](https://appshunter.io/ios/app/nir/id6736466607)

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

**In-app purchases:** none


### Organic Chemistry

[App page](https://appshunter.io/ios/app/organic-chemistry-octet/id6758552314)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $34.99 | per year |
| Lifetime Premium | $64.99 | one-time |


## Frequently asked questions

### Is NIR free?

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

### Is Organic Chemistry free?

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

### Do NIR or Organic Chemistry have ads?

Neither NIR nor Organic Chemistry shows ads.

### Which is updated more often, NIR or Organic Chemistry?

NIR ships an update every 2 weeks, and Organic Chemistry every 2 months. Most recently, NIR was updated on October 30, 2026 and Organic Chemistry on October 20, 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.*