# SynStrategy vs ReactionAtlas

The clearest difference is in-app purchases: SynStrategy at none against ReactionAtlas's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ReactionAtlas sells 1 one-off in-app purchase. SynStrategy asks for nothing beyond the download.

## The numbers

| Metric | SynStrategy | ReactionAtlas |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 36 MB | 60 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Willi M. Amberg](https://appshunter.io/developer/1854863487) | [Xiangqian Liu](https://appshunter.io/developer/6784624826) |

## What reviewers say

### 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


### ReactionAtlas

[App page](https://appshunter.io/ios/app/reactionatlas/id6792311020)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReactionAtlas Pro | $7.99 | one-time |


## Frequently asked questions

### Is SynStrategy free?

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

### Is ReactionAtlas free?

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

### Do SynStrategy or ReactionAtlas have ads?

Neither SynStrategy nor ReactionAtlas shows ads.

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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.*