Comparison

Hormones Guide... vs DNA Viewer

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

Head to head
About

Hormones Guide...

Features
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Learn about hormones, endocrine glands, and hormonal regulation. Hormones Guide is an educational reference designed to help users explore hormones, the endocrine system, and hormonal regulation in the human body. Discover structured information about hormone functions, interactions, endocrine disorders, and medical context. The app explains how hormones influence growth, metabolism, reproduction, mood, and many other physiological processes. Hormone Profiles • Learn the role of major human hormones • Understand hormone sources and target organs • Explore hormone functions in the body • Review how hormones help maintain physiological balance Endocrine System • Learn about endocrine glands and their functions • Understand hormone regulation pathways • Explore interactions between hormones Hormonal Disorders • Learn about hormone imbalances • Understand symptoms of endocrine disorders • Explore conditions affecting hormone production Treatment and Medical Context • Overview of diagnostic approaches • Common treatment methods for hormonal conditions • General medical management concepts Hormone Pathways • Learn how hormones influence each other • Understand regulatory feedback systems • Explore endocrine signaling pathways Learning Tools • Quiz mode to test endocrine knowledge • Daily facts about hormones and physiology • Structured content for easier learning Search and Navigation • Fast search for hormones and conditions • Organized endocrine topics • Quick access to hormone information Favorites • Save hormones or topics for review • Quickly access frequently studied entries Designed for Study and Referenc • Clean interface focused on readability • Organized medical information • Useful for learning and revision Premium Features Upgrade for additional benefits: • Offline access to hormone information • Ad-free experience • Improved study convenience Privacy Focused • No unnecessary permissions • No personal data collection • Information remains on your device Who This App Is For • Medical students • Nursing students • Healthcare professionals • Biology and anatomy learners • Anyone interested in hormones and endocrine health Hormones Guide helps you study hormone functions, endocrine regulation, and hormonal disorders in a clear and structured way. Educational Disclaimer This app provides educational information only and does not provide medical advice. Always consult qualified healthcare professionals for medical guidance. Download Hormones Guide to explore human hormones and the endocrine system. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DNA Viewer

Features
Read full description

### DNA Viewer - Professional 3D DNA Visualization & Analysis Tool DNA Viewer is an innovative 3D DNA visualization and analysis application designed for molecular biologists, genetics students, and educational institutions. ### Key Features ** Real-time NCBI Data Integration** 1. Real-time integration with NCBI public databases 2. Access to thousands of actual gene sequence data 3. Instant analysis of major genes including APOE, BRCA1, TP53 ** Interactive 3D DNA Visualization** 1. Three 3D models: Double Helix, Ladder, Ball & Stick 2. 360° rotation, zoom in/out, pan functionality 3. Real-time sequence exploration by groups (100bp units) 4. Intuitive touch gesture support ** Professional Analysis Tools** 1. GC content analysis and window plotting 2. Automatic CpG island detection 3. Restriction enzyme site analysis with 3D highlighting 4. Protein translation and codon analysis 5. Open Reading Frame (ORF) detection ** Virtual Cloning Simulation** 1. 22 cloning vectors (pUC19, pET, pcDNA3, etc.) 2. Restriction enzyme selection and cutting simulation 3. Cloning result visualization and sequence generation 4. Export and sharing functionality ** Multi-language Support** 1. Full support for Korean, Japanese, German, and English 2. Localized user interface 3. Accurate translation of scientific terminology ### Target Users ** Researchers** 1. Molecular biology researchers 2. Genetics researchers 3. Biotechnology researchers ** Educators & Students** 1. Undergraduate and graduate students 2. Biology professors and instructors 3. Educational institutions ** Medical Professionals** 1. Genetic counselors 2. Medical researchers 3. Clinical researchers ### Use Cases **Educational** 1. Explain DNA structure in molecular biology classes 2. Gene sequence analysis practice 3. Restriction enzyme experiment simulation **Research** 1. Gene sequence analysis and visualization 2. Restriction enzyme site mapping 3. Protein translation research 4. Cloning experiment design **Presentation** 1. Presentations using 3D DNA models 2. Research result visualization 3. Educational material creation ### Technical Features **Performance Optimization** 1. Efficient processing of large DNA sequences 2. Real-time 3D rendering 3. Optimized memory usage **Data Security** 1. Local data storage 2. No personal information collection 3. Offline basic functionality support Experience complex molecular biology concepts visually with DNA Viewer, and utilize it for your research and education!

Screenshots

Hormones Guide...4 screens
DNA Viewer4 screens

Verdict

The call

The clearest difference is price: Hormones Guide... at Free against DNA Viewer's $4.99. DNA Viewer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement 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

Hormones Guide... is free to download; DNA Viewer costs $4.99 up front. Hormones Guide... sells 2 in-app purchases, starting at $2.99 per month. DNA Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Hormones Guide... ships an update every 2 weeks, DNA Viewer every 2 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 2 level
Hormones Guide... versus DNA Viewer: the parameters behind the verdict, then further details
ParameterHormones Guide...DNA Viewer
PriceFree — better$4.99
Update frequencyEvery 2 weeksEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size157 MB4 MB
Age rating4+12+
DeveloperOlga IvanovaJONG HYUN LEE

In-app purchases

2 purchases

Hormones Guide...

Subscriptions1
  • Subscription$2.991 Month
One-time1
  • Sponsorship (donation)$1.99
None

DNA Viewer

No in-app purchases

Questions

Is Hormones Guide... free?
Hormones Guide... is free to download, with in-app purchases available.
Is DNA Viewer free?
DNA Viewer costs $4.99, with no in-app purchases.
Do Hormones Guide... or DNA Viewer have ads?
Hormones Guide... shows ads; DNA Viewer does not.
Which is updated more often, Hormones Guide... or DNA Viewer?
Hormones Guide... ships an update every 2 weeks, and DNA Viewer every 2 days. Most recently, Hormones Guide... was updated on September 30, 2026 and DNA Viewer on October 6, 2026.

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