250+ iOS apps curated and reviewed
Catalytic Reaction Guide is the household name in catalytic reaction guide, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 2 |  | Free | 5.0★ (9) | No | No | Aug 2026 | |
| 3 |  | Free | 4.1★ (52) | No | Yes | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | No | Yes | May 2026 | |
| 5 |  | Free | 3.6★ (14) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.9★ (19) | No | No | Aug 2026 | |
| 7 |  | Free | 5.0★ (12) | No | No | May 2026 | |
| 8 |  | Free | — | No | Yes | Oct 2026 |
This app offers a comprehensive guide to catalytic reactions, providing recommendations for catalysts, temperatures, and solvents for over 150 reactions. It also includes a searchable product listing, literature references, and contact information for businesses. Users can save favorite products and request technical information or quotes.
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.
This app serves as a comprehensive catalog for catalytic converters, allowing users to buy, sell, and determine their real-time value based on precious metal content. It features a vast database with detailed specifications and photographs to aid in identification and valuation.
