# Organic Syntheses vs Dimer dice

The clearest difference is update cadence: Organic Syntheses at every 6 months against Dimer dice's every 31 months. Dimer dice's advantage is iOS requirement (13.0 vs 15.6). 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.

Organic Syntheses ships an update every 6 months, Dimer dice every 31 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Organic Syntheses | Dimer dice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/organic-syntheses/id1087152400/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 31 months |
| Monetization | Free | — |
| Size | 2 MB | 96 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VPInformatics, Inc](https://appshunter.io/developer/533312332) | [MD. USE INNOVATIONS SL](https://appshunter.io/developer/1292343455) |

## 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


### Dimer dice

[App page](https://appshunter.io/ios/app/dimer-dice/id1481408050)

**In-app purchases:** none


## Frequently asked questions

### Is Organic Syntheses free?

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

### Is Dimer dice free?

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

### Do Organic Syntheses or Dimer dice have ads?

Neither Organic Syntheses nor Dimer dice shows ads.

### Which is updated more often, Organic Syntheses or Dimer dice?

Organic Syntheses ships an update every 6 months, and Dimer dice every 31 months. Most recently, Organic Syntheses was updated on October 13, 2026 and Dimer dice on October 10, 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.*