# NIR vs SynStrategy

The clearest difference is update cadence: NIR at every 2 weeks against SynStrategy's every 3 months. NIR also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

NIR ships an update every 2 weeks, SynStrategy every 3 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NIR | SynStrategy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/synstrategy/id6755611244/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 82 MB | 36 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Sultan](https://appshunter.io/developer/1711924608) | [Willi M. Amberg](https://appshunter.io/developer/1854863487) |

## What reviewers say

### NIR

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

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

**In-app purchases:** none


### SynStrategy

[App page](https://appshunter.io/ios/app/synstrategy/id6755611244)

This app categorizes organic reactions by the functional groups they form, aiding chemists in synthetic analysis. It offers over 500 transformations and 400 synthesis examples, with detailed subdivisions for clarity.

**Highlights:** Reactions categorized by functional group, 27 main functional group categories, Over 500 transformations, Over 400 total synthesis examples, Subdivided functional group categories, Highlights synthetic use cases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NIR free?

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

### Is SynStrategy free?

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

### Do NIR or SynStrategy have ads?

Neither NIR nor SynStrategy shows ads.

### Which is updated more often, NIR or SynStrategy?

NIR ships an update every 2 weeks, and SynStrategy every 3 months. Most recently, NIR was updated on October 30, 2026 and SynStrategy on October 25, 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.*