PetriKey is a private, offline microbiology study bench built for undergrad biology, nursing, pre-med, pre-PA, MLS/MLT, and clinical microbiology coursework.
Search bacteria, viruses, fungi, parasites, stains, lab tests, antimicrobial classes, and core microbiology concepts. Open a high-yield clue, compare related organisms, bookmark terms, add local notes, and review with flashcards and quiz prompts. Study progress stays on your device. No account. No ads. No general behavior analytics.
WHY PETRIKEY
- Offline microbiology atlas with 117 keyword entries
- 234 flashcards for active recall and spaced review
- 45 quiz and case-style prompts with explanations
- 9 educational ID flowcharts for organism clue review
- Cram Mode for exam-today, tomorrow, or this-week review
- Confusing-pair drills for lookalike organisms and concepts
- Lab bench tools: CFU calculator, serial dilution helper, stain references, colony morphology
- On-device pronunciation help for organism names
- Bookmarks, local notes, exam countdown, and JSON backup
- Source notes from OpenStax Microbiology 2e, NCBI Bookshelf, CDC, WHO, and ICTV references
WHAT YOU'LL STUDY
Bacteria: Gram stain, gram positive, gram negative, MRSA, Staph aureus, Strep pyogenes, E. coli, Salmonella, Klebsiella, Pseudomonas, Mycobacterium tuberculosis, anaerobes, Clostridioides, Bacillus, Neisseria, Helicobacter pylori, Listeria.
Virology: influenza, RSV, hepatitis A/B/C, HIV, measles, rabies, herpesviruses, HPV, COVID-19, dengue, Zika, Ebola.
Mycology: Candida, Candida auris, Aspergillus, Cryptococcus, Histoplasma, Coccidioides, Pneumocystis, dermatophytes, Mucor, Rhizopus.
Parasitology: Giardia, Cryptosporidium, Entamoeba, Plasmodium, Toxoplasma, Schistosoma, Ascaris, Taenia, Trichinella.
Core concepts: antimicrobial resistance, antibiotics by class, biochemical tests, immunology basics, pathology vocabulary, infection-control concepts, and lab-test memory hooks.
BUILT FOR STUDENTS
- Intro microbiology
- Medical microbiology
- Clinical microbiology coursework
- Nursing and pre-nursing review
- Pre-med and pre-PA microbiology review
- MLS/MLT and ASCP concept review
- Bacteria, virology, mycology, parasitology, immunology, and pathology refreshers
PRIVATE BY DESIGN
- Works offline after download
- No account signup
- No ads
- No general behavior analytics
- Study progress stays on your device
- Export and import your progress as JSON
FREE AND PREMIUM
Starter mode includes 13 keyword entries, 12 flashcards, 5 quiz prompts, 1 ID flowchart, and search preview.
Premium unlocks the full 117-keyword library, all 234 flashcards, 45 quiz and case prompts, 9 ID flowcharts, confusing-pair drills, local notes, lab tools, cram mode, and on-device pronunciation.
Premium may be offered through subscriptions or a one-time purchase. Prices, billing periods, renewal terms, and cancellation options are shown before purchase.
EDUCATIONAL DISCLAIMER
PetriKey is an educational study tool. It is not medical advice, diagnosis, treatment, laboratory protocol, clinical decision support, or a medical device. PetriKey does not diagnose, treat, cure, or prevent any medical condition. Do not use PetriKey for patient care, medical decisions, lab safety decisions, specimen handling, antimicrobial selection, or emergency decisions. Consult a qualified healthcare, laboratory, or academic professional for medical, clinical, laboratory, or safety advice.