# BenchCalc β€” Pocket Bench Companion > Offline biology and chemistry calculator, glossary, and lab companion for science professionals. (iPhone/iPad app by FEEDINGS LTD.) - Source: https://appshunter.io/ios/app/benchcalc/id6760035149 (this page in markdown: same URL + `.md`) - Developer: [FEEDINGS LTD](https://appshunter.io/developer/1855151498) - Category: Education, Utilities - Price: $0.99 - Age rating: 4+ - Requires: iOS 15.0 Β· 16 MB - Languages: American English - Released: 2026-03-06 - Data updated: 2026-08-17 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/benchcalc/id6760035149/reviews.md ## What is BenchCalc? BenchCalc is an offline biology calculator, biochemistry calculator, and laboratory science companion for researchers and students. 55 science tools, 414 glossary terms, 13 protocols, 7 troubleshooting wizards, 9 reference tables, and 7 science games - fully offline. No ads, no tracking. CALCULATORS - 55 TOOLS Molecular biology calculator suite: DNA molarity from mass or A260, primer Tm with nearest-neighbour prediction, primer pair comparison and dimer checking, primer resuspension and working stock dilution. Agarose gel calculator with TAE/TBE buffer selection, stain volumes, and percentage guide. Protein calculator tools: molecular weight from amino acid sequence, Bradford assay and BCA assay with standard curve, Beer-Lambert A280 protein concentration, isoelectric point calculator with charge-vs-pH curve, enzyme unit converter (U/mg, kcat, nmol/min/mg). PAGE gel calculator for SDS-PAGE, native, and denaturing gels. Chemistry and solution calculators: C1V1=C2V2 dilution calculator, serial dilution planner, molarity calculator, percent solutions (w/v, v/v, w/w), normality calculator, buffer preparation with Henderson-Hasselbalch, multi-solute buffer builder from the reagent database, resuspension calculator. Laboratory tools: cell counting, centrifuge RCF/RPM converter, doubling time calculator, radioactive decay with preset isotopes and decay curve. PCR master mix with enzyme presets. Restriction digest with buffer compatibility. DNA/RNA sequence translator with 6-frame ORF analysis and feature annotation. Ligation calculator. Lab timer with simultaneous countdowns, 28 presets, and background notifications. Unit converter (femto to peta). QuickCalc with expression history. TROUBLESHOOTING WIZARDS 7 interactive diagnostic wizards for biology and biochemistry experiments: Cloning, PCR, Restriction Digest, Agarose Gels, Protein Expression, Protein Purification, and SDS-PAGE. 87 questions and 252 solutions with real gel images. Save, resume, or share your diagnosis. BENCH GUIDE 414 biology and biochemistry glossary terms across 10 categories with molecular structure rendering and cross-linked navigation. 91 educational entries from foundations of science through physical chemistry, thermodynamics, biochemistry, enzyme kinetics, structural biology, and scientific writing. 20 laboratory safety guides with handling, spill response, and first aid. 45 practical lab tips. PROTOCOLS 13 step-through laboratory protocols: cloning design, cloning practical, miniprep, ethanol precipitation, gel extraction, PCR cleanup, restriction digest, ligation, heat shock transformation, E. coli growth/harvest, affinity purification, column maintenance, inclusion body purification. Checklist and focus modes. Cross-linked to troubleshooting wizards. REFERENCE TABLES 20 amino acids with structures, MW, pI, pKa, and charge display. 5 nucleotides with IUPAC codes. 64 codons. 132 restriction enzymes with methylation, star activity, buffer compatibility. 350+ laboratory reagents with MW, CAS, working concentrations, hazards, and LD50 data. 20 antibiotics. 15 scalable media/buffer recipes. 60 fluorophores with Ex/Em and laser line matching. 13 gel ladders (6 protein, 7 DNA) with band sizes and loading volumes. GAMES & QUIZZES Speed Runs for codons, amino acid codes, chemical formulas, and restriction sites. 20 rounds, timed, best scores saved. Nucleotide Memory with four difficulty modes. Restriction Site Snap with Quick Play, Expedition mode across 132 enzymes, and Multi-Strand modes. Science Quiz with 75 questions across 5 topics. Leaderboards with gold, silver, and bronze. FEATURES Dark/light themes with auto mode. Three text sizes. Favourites and category filtering. Chemical structure rendering. Cross-calculator clipboard. Smart keypad. Haptic feedback. Backup and restore. Share and export. Tablet and landscape support. Fully offline. No account, no data collected. Built by a scientist for scientists. One purchase, everything included. ## Key features - 55+ science calculators - Offline functionality - Troubleshooting wizards - 414+ glossary terms - 13 laboratory protocols - Reference tables ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/benchcalc/id6760035149/reviews.md ### 5/5 β€” Super neat! *2026-03-15* Extremely handy tool which helps with a whole range of lab calculations 😊 **Developer response:** We are glad you find it useful. Please do let us know if there is more you want to see in the app! ### 5/5 β€” Handy little app *2026-03-15* Great app to have in the lab… not that you should be on your phone in the lab ;) But the devs have included loads of great calculators to save you a lot effort. Would recommend. **Developer response:** Thanks for your great review! 😁 Let us know if there are more things you would like to see in the app ### 5/5 β€” Very good initiative *2026-03-12* Very good for using for bench work **Developer response:** Thank you Soren, enjoy your lab work! ### 5/5 β€” Amazing so helpful! *2026-03-11* Life saver in the lab when my idiot brain stops working. **Developer response:** Thanks! We are happy to help. Let us know if there are any other tools you want to see. ### 5/5 β€” Super useful lab bench app *2026-03-10* Extremely helpful app for daily lab work, really simplifies the daily grind **Developer response:** Glad you find it helpful, please let us know if there are any features you think are missing! ### 5/5 β€” Great app *2026-03-06* Thought of everything, excellent, **Developer response:** Thanks for the nice remarks! ## Frequently asked questions about BenchCalc ### Does BenchCalc have ads? No, BenchCalc is completely ad-free. The app also does not track user data, providing a private and uninterrupted experience for its users. ### What is the price of BenchCalc? BenchCalc is a paid application with a one-time purchase price of $0.99. There are no in-app purchases or subscriptions required. ### What devices is BenchCalc available on? BenchCalc is available for iPhone, iPad, and iPod devices. It is designed to function fully offline on these platforms. ### How often is BenchCalc updated? The latest version of BenchCalc is 5.0.5, and it was last updated on April 3, 2026. Updates are released periodically to enhance functionality and add new features. ### What learning methodology does BenchCalc use? BenchCalc supports learning through practical application with its extensive set of calculators and tools. It also provides educational entries and a glossary to deepen understanding of scientific concepts. ### Can I track my progress with BenchCalc? While BenchCalc does not offer formal progress tracking for courses, users can utilize its tools for experiments and calculations, effectively tracking their experimental progress and data. ### Does BenchCalc offer certifications? BenchCalc is a scientific companion tool and does not offer formal certifications. Its purpose is to assist researchers and students with their laboratory work and studies. ### What is the age rating for BenchCalc? BenchCalc has an age rating of 4+, making it suitable for a wide range of users, including students and professionals in the scientific field. ## Version history (last 5 releases) ### 5.0.5 β€” 2026-04-03 V5.0.5 - Games & Quizzes (Beta) - NEW 7 science mini-games in BenchGuide - NEW Speed Runs: Codons, Amino Acid Codes, Chemical Formulas, Restriction Sites - NEW Nucleotide Memory with 4 difficulty modes - NEW Restriction Site Snap with Quick Play, Expedition, and Multi-Strand modes - NEW Science Quiz: 5 topics, 75 questions - NEW Leaderboards with gold/silver/bronze and victory celebrations - IMPROVED Light theme contrast - IMPROVED pH slider styling - FIX Settings persistence between sessions ### 5.0.0 β€” 2026-04-02 V5.0.0 - Games & Quizzes (Beta) - NEW 7 science mini-games in BenchGuide - NEW Speed Runs: Codons, Amino Acid Codes, Chemical Formulas, Restriction Sites - NEW Nucleotide Memory with 4 difficulty modes - NEW Restriction Site Snap with Quick Play, Expedition, and Multi-Strand modes - NEW Science Quiz: 5 topics, 75 questions - NEW Leaderboards with gold/silver/bronze and victory celebrations - IMPROVED Light theme contrast - IMPROVED pH slider styling - FIX Settings persistence between sessions ### 4.9.0 β€” 2026-03-25 V4.9.0 -NEW Foundations of Science section in Learn and Understand -NEW Scroll to top button with position settings -IMPROVED Troubleshooting UI consistency -IMPROVED Landscape support -FIX Agarose gel Nancy-520 stock concentration -FIX Calculator scroll position ### 4.7.5 β€” 2026-03-24 V4.7.5 -NEW Local data backup and restore functions -NEW Import and export saved setups between devices -IMPROVED UI & app navigation -IMPROVED Share functionality -NEW Som.. Wait. Actually... you will have to find these yourself! ### 4.5.5 β€” 2026-03-24 V4.5.5 -IMPROVED UI polish, bug fixes, and numerous tool improvements. V4.5.0 -NEW 3 Troubleshooting Wizards: Protein Expression, Protein Purification, and SDS-PAGE. 7 wizards total, 87 questions and 252 solutions with real gel images. -NEW 38 gel images across troubleshooting with toggleable comparisons. -IMPROVED Lab Timer with multiple simultaneous countdowns, save and pin presets, background notifications. -IMPROVED 414 glossary terms, 87 learn entries, 45 lab tips. ## More apps by FEEDINGS LTD - [FeeDings!](https://appshunter.io/ios/app/feedings/id6755640834) - [Influence: Shape Your Story](https://appshunter.io/ios/app/influence-shape-your-story/id6760127441) - [pathlaid](https://appshunter.io/ios/app/pathlaid/id6761997702) All apps by FEEDINGS LTD: https://appshunter.io/developer/1855151498 --- *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 2026-08-17.*