Calculate molecular weights for DNA, RNA, proteins, peptides, and chemical formulas. Features a database of common compounds and chemical elements for quick selection. Useful for chemists and biochemists needing rapid calculations.






250+ iOS apps curated and reviewed
If you already know Enzyme Calculator, this is the deeper bench. 250+ enzyme calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Aug 2026 | ||
| 2 | Free | 3.3★ (4) | No | No | May 2026 | ||
| 3 | Free was $4.99 | 5.0★ (2) | No | Yes | Aug 2026 | ||
| 4 | Free | 4.6★ (36K) | Yes | Yes | Sep 2026 | ||
| 5 | Free | — | No | No | Jul 2026 | ||
| 6 | Free | 5.0★ (3) | No | No | Aug 2026 | ||
| 7 | Free | 4.6★ (10K) | Yes | Yes | Sep 2026 | ||
| 8 | $5.99 | 4.7★ (6.3K) | No | Yes | Sep 2026 |











Calculate molecular weights for DNA, RNA, proteins, peptides, and chemical formulas. Features a database of common compounds and chemical elements for quick selection. Useful for chemists and biochemists needing rapid calculations.






This scientific assistant provides researchers and students with essential tools for everyday lab calculations. It offers modules for protein and nucleic acid conversions, solution preparation, microbiology, and buffer recipes. Streamline your laboratory workflow with precise and efficient scientific computations.