# Organic Syntheses vs iORA

The clearest difference is rating: iORA at 5.0 against Organic Syntheses's 4.0. iORA also leads on review sentiment (100% vs 67%) and update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.

iORA holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 6 and 12 respectively. Written reviews point the same way: 67% of Organic Syntheses's written reviews are positive against 100% of iORA's.

Organic Syntheses ships an update every 6 months, iORA every 2 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Organic Syntheses | iORA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/organic-syntheses/id1087152400/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913/reviews)** |
| Number of ratings | 6 | **12** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2 MB | 40 MB |
| Requires iOS | 15.6 | **14.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VPInformatics, Inc](https://appshunter.io/developer/533312332) | [Daniel Ess](https://appshunter.io/developer/1609524915) |

## What reviewers say

### Organic Syntheses

[App page](https://appshunter.io/ios/app/organic-syntheses/id1087152400)

Access a vast collection of detailed, reliable organic synthesis procedures. Search by volume, article, or full text, and save your findings for offline viewing. Share discoveries with colleagues and explore methods for preparing specific compounds or illustrating general synthetic techniques.

**Highlights:** Searchable procedure database, Full text search functionality, Save procedures for offline access, Share findings with colleagues, Detailed, checked synthesis methods, Access to historical procedures

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

**In-app purchases:** none


### iORA

[App page](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913)

Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.

**Highlights:** 3D chemical reaction visualization, Quantum-mechanical simulations, Interactive learning, Easy to use interface, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Organic Syntheses free?

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

### Is iORA free?

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

### Which has better reviews, Organic Syntheses or iORA?

iORA is rated higher. Organic Syntheses averages 4.0 out of 5 from 6 ratings, while iORA averages 5.0 from 12 ratings.

### Do Organic Syntheses or iORA have ads?

Neither Organic Syntheses nor iORA shows ads.

### Which is updated more often, Organic Syntheses or iORA?

Organic Syntheses ships an update every 6 months, and iORA every 2 months. Most recently, Organic Syntheses was updated on October 13, 2026 and iORA on October 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.*