Comparison

Codon One vs Anatomy Puzzles

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Codon One

Master molecular biology, genetics, evolution, and life chemistry through interactive modules and quizzes. Explore essential concepts with clear diagrams and concise explanations. Includes helpful tools for sequence analysis and genetic code reference.

Highlights
  • Interactive learning modules
  • Quick quizzes for comprehension
  • Clear diagrams and plain language
  • Molecule reference guide
  • Sequence analysis tools
  • Genetic code exploration
Features
Read full description

Codon One helps you learn biology step by step, with short lessons, quick quizzes, flashcards, and a searchable glossary. Build a solid foundation in molecular biology, genetics, evolution, cell biology, development, and the history of science. Each section breaks complex ideas into clear explanations, diagrams, and focused checks for understanding. Core course (Modules) Module 1: Chemistry of Life – atoms & elements, bonds, water, pH, biomolecules Module 2: Genetics – chromosomes, replication, transcription, translation, regulation Module 3: Evolution – history of life, phylogeny, selection, drift, speciation, molecular evolution Module 4: History of Science – ideas, methods, and experiments that shaped modern biology Module 5: Cell Biology – membranes & transport, organelles & energy, cytoskeleton, signaling, cell division Module 6: Development – fertilization & body plans, differentiation, pattern formation & morphogenesis, growth & repair, evo-devo Additional topics are planned for future updates, including Animal Physiology, Microbiology & Immunology, Plant Biology, and more. Glossary & Flashcards Look up the essentials in one place - key terms from every module, plus the 20 amino acids and the nucleobases. Turn any topic into a flashcard deck and review with smart, spaced practice that focuses on the cards you find hardest. Quiz & Progress Practice across biochemistry, genetics, evolution, cell biology, development, and science history in a dedicated quiz area. Track improvement with success rates and per-topic stats, and let the app resurface your weak questions for targeted review. Keep a daily streak going to build a steady habit. Got a good question? Submit it directly from the app. Built-in Tools Sequence Operator: paste DNA, reverse or complement it, transcribe to RNA, translate in all six reading frames, and view length, GC content, and melting temperature. Codon Picker: explore the genetic code, see which codons map to each amino acid or stop signal, and tweak bases to see the effect. Triplet Encoder: write a message in amino-acid single-letter code and encode it as a DNA triplet sequence, then decode it by translation. Found a bug or have suggestions? Email info@codon-one.com - we read every message.

About

Anatomy Puzzles

Master human anatomy with interactive puzzles. This app offers a playful learning approach with crosswords and shuffle puzzles created by medical professionals. Study offline with no ads, perfect for students and enthusiasts.

Highlights
  • Interactive crosswords
  • Dynamic shuffle puzzles
  • Offline study
  • Ad-free experience
  • Created by medical professionals
  • Covers human anatomy
Features
Read full description

Human anatomy got you puzzled? Give the flashcards a break and this a go! Created by a UK Doctor and an Anatomy Professor, this interactive puzzle app offers a playful learning approach to mastering human anatomy. Whether you are a medical student, allied health professional, or anatomy enthusiast looking to test your knowledge, this is the app for you. Why choose this app? - 100% Offline & Ad-Free: Study on the train, in the clinic, or at home with zero distractions and no internet required. - Human made: All puzzles included in this app have been created by medical/anatomy professionals, not AI - Playful Learning: Ditch the dry textbooks. Engage your brain with 27 comprehensive crosswords and 43 dynamic shuffle puzzles designed to make recall effortless. - Buy it now and get more later: Your purchase today includes all planned future puzzles at the time of launch for no additional cost. Think you know your anatomy? Download now and put your knowledge to the test!

Screenshots

Codon One4 screens
Anatomy Puzzles4 screens

Verdict

The call

The clearest difference is price: Codon One at Free against Anatomy Puzzles's $1.99. Anatomy Puzzles's advantage is in-app purchases (none vs 7) and update cadence (daily vs every 3 weeks). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Codon One is free to download; Anatomy Puzzles costs $1.99 up front. Codon One sells 7 one-off in-app purchases. Anatomy Puzzles asks for nothing beyond the download.

UpkeepUpdate frequency

Codon One ships an update every 3 weeks, Anatomy Puzzles daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Codon One versus Anatomy Puzzles: the parameters behind the verdict, then further details
ParameterCodon OneAnatomy Puzzles
PriceFree — better$1.99
Rating4.5 (25 ratings) — better—
Positive reviews76.5% of reviews100.0% of reviews — better
Number of ratings25 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size277 MB16 MB
Age rating4+4+
DeveloperDaniel GebertTHOMAS ROBERT PROCTOR

Customer experience

Codon One

All ratings25 ratings
Positive84.0%
Neutral8.0%
Negative8.0%
Written reviews17 reviews
Positive76.5%
Neutral0.0%
Negative23.5%

Anatomy Puzzles

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Codon One

One-time7
  • Module 2: GeneticsFree
  • Module 1: Chemistry of LifeFree
  • Module 3: Evolution$2.99
Show 4 more
  • Module 4: Science History$2.99
  • Module 5: Cell Biology$2.99
  • Module 6: Development$2.99
  • Unlock All$8.99
None

Anatomy Puzzles

No in-app purchases

Questions

Is Codon One free?
Codon One is free to download, with in-app purchases available.
Is Anatomy Puzzles free?
Anatomy Puzzles costs $1.99, with no in-app purchases.
Do Codon One or Anatomy Puzzles have ads?
Neither Codon One nor Anatomy Puzzles shows ads.
Which is updated more often, Codon One or Anatomy Puzzles?
Codon One ships an update every 3 weeks, and Anatomy Puzzles daily. Most recently, Codon One was updated on November 3, 2026 and Anatomy Puzzles on October 31, 2026.

Other comparisons