# Bio-Calculator — Everyday lab calculations > Professional mobile application for everyday lab calculations and scientific assistance. (iPhone/iPad app by 杰 吴.) - Source: https://appshunter.io/ios/app/bio-calculator/id6498629520 (this page in markdown: same URL + `.md`) - Developer: [杰 吴](https://appshunter.io/developer/1729187814) - Category: Utilities, Education - Price: Free with in-app purchases (on sale, was $4.99) - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 51 MB - Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan) - Released: 2024-05-20 - Data updated: 2026-08-30 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/bio-calculator/id6498629520/reviews.md ## What is Bio? Bio-Calculator 2.0 is a professional mobile application tailored for researchers, students, biotech developers, and laboratory professionals. More than just a toolset, it is your high-efficiency scientific assistant at the laboratory bench. 【Comprehensive Feature Modules】 1. Protein & Peptide Conversion • Precisely convert between Protein Size (kDa), Mass (mg), and Moles (nmol). • Estimate DNA/mRNA coding capacity based on protein molecular weight. • Protein Molarity conversion with built-in common protein data. 2. Nucleic Acid & Genomics Toolkit • Sequence MW Calculation: Input DNA/RNA sequences to automatically obtain molecular weight and GC content. • Molar Conversions: Switch between nucleic acid length (bp/nt), mass, and moles. • Absorbance Conversion: Quickly convert OD260 readings into nucleic acid mass concentration. • Ligation Reaction: Intelligently calculate vector-to-insert molar ratios for cloning experiments. • Nucleic Acid Concentration: Convert between mass concentration and molarity. 3. Biochemistry & Solution Preparation • Molarity Calculator: Built-in database of thousands of compounds and reagents for instant mass and concentration calculations. • Dilution Calculator: Full support for C1V1 = C2V2 calculations across various concentration units. • Centrifugation: Precise conversion between Relative Centrifugal Force (RCF/g) and Revolutions Per Minute (RPM) based on rotor radius. • Temperature Units: Covers various scales including Celsius, Fahrenheit, and Kelvin. • Molecular Weight: Calculate accurate MW based on compound formulas. • Concentration Conversion: Switch between mass concentration and molarity for solutions. 4. Microbiology & Cell Culture • Growth Prediction: Predict microbial doubling time based on two OD measurements. • CFU Counter: Automatically process serial dilution data to calculate viable cell concentration. • TCID50: Essential Tissue Culture Infectious Dose calculations for virology. • Dilution Planning: Strategic planning for colony counting dilutions. 5. Massive Buffer & Solution Preparation Library Step-by-step preparation guides for 100+ standard lab solutions: • Stock Solutions: EDTA, Tris-Cl, DTT, IPTG, ATP, HEPES, and more (includes sterilization and storage advice). • Buffer Systems: PBS, D-PBS, TAE, TBE, RIPA Lysis, Co-IP, SSPE, etc. • Each guide includes component ratios, sterilization methods (Autoclave vs. Filter), storage temperatures, and safety precautions. Why choose BioCalculator 2.0? • Native Performance: Built natively for iOS with a modern, intuitive UI and silky-smooth operation. • Industry Focused: From biotech startups to academic labs, our tools fit your daily workflow perfectly. • Global Science Calculator: Unique floating window design allows you to access scientific calculations from anywhere. • Laboratory Precision: Say goodbye to floating-point errors and embrace professional scientific accuracy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Protein & Peptide Conversion - Nucleic Acid & Genomics Toolkit - Biochemistry & Solution Preparation - Microbiology & Cell Culture Tools - Buffer & Solution Preparation Library - Native iOS Performance ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Plan | $2.99 | per month | | Yearly Plan | $19.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime member | $44.99 | one-time | ## Frequently asked questions about Bio ### What is Bio-Calculator? Bio-Calculator is a professional mobile application designed to assist researchers, students, and laboratory professionals with everyday lab calculations. It offers a comprehensive set of tools for various scientific disciplines. ### What types of calculations can Bio-Calculator perform? Bio-Calculator can perform calculations related to protein and peptide conversion, nucleic acid and genomics, biochemistry and solution preparation, microbiology, and cell culture. It also includes a library for buffer and solution preparation. ### Is Bio-Calculator available on multiple devices? Yes, Bio-Calculator is available for iPhone and iPad, offering native performance and a smooth user experience on Apple devices. ### What is the pricing for Bio-Calculator? Bio-Calculator is free to download and use. It offers optional subscription plans for advanced features, including a Monthly Plan for $2.99 and a Yearly Plan for $19.99. ### How often is Bio-Calculator updated? The latest version of Bio-Calculator is 2.0.2, and it was last updated on March 19, 2026. Updates aim to improve performance and add new functionalities. ### What is the age rating for Bio-Calculator? Bio-Calculator has an age rating of 4+, making it suitable for a wide range of users, including students and professionals. ### Does Bio-Calculator have ads? No, Bio-Calculator does not contain advertisements. The app is designed to provide an uninterrupted and professional user experience. ### What are the subscription options for Bio-Calculator? Bio-Calculator offers a Monthly Plan at $2.99 per month and a Yearly Plan at $19.99 per year, providing access to premium features and content. ## Version history (last 5 releases) ### 2.0.2 — 2026-03-19 Update the contact information for feedback issues ### 2.0.1 — 2026-02-26 1. New Calculation Features: Added multiple essential biological calculators to cover more laboratory scenarios. 2. Global Science Calculator: Introduced a floating window design for instant calculation access across any app without switching. 3. Buffer Preparation Guides: Comprehensive step-by-step instructions and recipes for dozens of common laboratory solutions. 4. Fix bug in identifying existing users. ### 2.0.0 — 2026-02-25 1. New Calculation Features: Added multiple essential biological calculators to cover more laboratory scenarios. 2. Global Science Calculator: Introduced a floating window design for instant calculation access across any app without switching. 3. Buffer Preparation Guides: Comprehensive step-by-step instructions and recipes for dozens of common laboratory solutions. ### 1.0.1 — 2024-05-23 Fixed some data verification bugs ### 1.0 — 2024-05-19 No release notes. ## Apps similar to Bio | App | Rating | Price | Category | | --- | --- | --- | --- | | [识图取字pro - 图片转文字](https://appshunter.io/ios/app/pro/id1519701997) | 4.7 (13) | $2.99 | Utilities | | [电子实验记录本](https://appshunter.io/ios/app/id1336794795) | — | Free | Utilities | | [oMeoo](https://appshunter.io/ios/app/omeoo/id6472629160) | — | Free | Utilities | | [kaapa](https://appshunter.io/ios/app/kaapa/id6502706009) | — | Free | Utilities | | [Lab Mate — Molarity & Dilution](https://appshunter.io/ios/app/lab-mate-molarity-and-dilution/id1493317050) | 5.0 (6) | $6.99 | Utilities | | [图片压缩 - 图美](https://appshunter.io/ios/app/id6503405460) | 5.0 (1) | Free | Utilities | ## Related topics [biolabcalculators](https://appshunter.io/ios/topics/biolabcalculators) · [enzyme calculator](https://appshunter.io/ios/topics/enzyme-calculator) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*