DNA Model for iPad & iPhone | DNA Replication Video | Gene Transcription Video

Pitch Count | Pitch Count Video | Pitch Count Tips & Support | GPA Pro | GPA Pro Video | QB Stats

Our privacy policy is simple: we never obtain any data that could be traced to an individual or an individual device. The usage data collected by Flurry Analytics (device type, iOS version, and the occurrence of selected "events," which provide some insight into how people are actually using the apps) is completely anonymous, and except for event sequence data, we see the data only as aggregated. No information you provide directly to us for troubleshooting etc. will ever be shared with anyone else.

Email questions about our apps to apinfo@onscreen-sci.com or call 800-617-6416.

iPhone, iPad and Mac are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.

See the Great Reviews We've Been Getting

And the Winner for Best DNA Simulation on an iOS Device Is…



THE Interactive Virtual Model for iPad appstore
OnScreen DNA Model


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Crucial Steps in AIDS Virus Replication appstore
OnScreen Retrovirus


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Read about it in OnScreen Retrovirus Shows How the AIDS Virus Copies Its Genome.


Detailed, Memorable, & Animated in 3D appstore
OnScreen DNA Replication


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See a short video preview now.


Read some background in OnScreen DNA Replication—The Name Says It All.


Learn & Teach how DNA Works appstore
OnScreen Gene Transcription


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See a short video preview now.


Read a little background in OnScreen Gene Transcription Shows How DNA Works.


Record & Review Pitches with Ease appstore
OnScreen Pitch Count for iPad

Great on the iPad Mini!


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Read a little background in Coming Soon to the Big Screen—OnScreen Pitch Count for iPad!.
Get the User's Guide for a preview of the app.

Get it now — OnScreen DNA Model for Mac mac store


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Read a little background in Taking OnScreen DNA Model to the Mac App Store.

Follow news of our apps on Twitter and the On-Screen Scientist blog.

Our biggest seller by far:


"A Best Science App. Great 3D DNA model, great text content" Genetic Engineering & Biotechnology News, June 2013

"One of the biology student's nine must-have iPad apps" TechSagar.com

"One of the 40 best science iPad apps for students. You don't have to be a biology major to appreciate the awesomeness..." Fun Educational Apps

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OnScreen DNA Model™ 2.5
for iPad




Now optimized for iPhone 5:

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OnScreen DNA Model™ 2.2
for iPhone and iPod Touch


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OnScreen Pitch Count™ 2.1
for iPhone and iPod Touch


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SEE the (old) video of OnScreen Pitch Count in action.

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OnScreen GPA Pro™ 1.4
for iPhone and iPod Touch


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SEE the video of OnScreen GPA Pro in action.