Comparison

Stickleback Evolution Lab vs DAC App

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

Head to head
About

Stickleback Evolution Lab

Explore the science of evolution by analyzing the pelvic structures of threespine stickleback fish. This virtual lab offers three experiments using real fish specimens and fossils, complete with graphing and statistical analysis tools for drawing conclusions about population evolution.

Highlights
  • Analyze pelvic structures of threespine stickleback fish
  • Conduct experiments with living specimens and fossils
  • Collect and analyze biological data
  • Graphing and statistical analysis tools
  • Learn about evolutionary science
Features
Read full description

The Stickleback Evolution Virtual Lab will introduce you to the science and techniques used to analyze the forms and structures of organisms–in particular, the pelvic structures of the threespine stickleback fish (Gasterosteus aculeatus). The lab includes three experiments in which you will collect data using photographs of living fish specimens and fossils to draw conclusions about the evolution of stickleback fish populations. The lab includes graphing and statistical analysis of biological data. This app is geared to high school and college biology students, and anyone interested in the biological sciences. The Howard Hughes Medical Institute (HHMI) is a nonprofit medical research organization that ranks as one of the nation's largest philanthropies. HHMI plays a powerful role in advancing biomedical research and science education. HHMI brings the latest biomedical research into the classroom with the award-winning BioInteractive website, featuring free resources for science education, including lectures, animations, short films, interactive features, and classroom-ready lesson plans and activities. Topics include all areas of biology and earth and environmental science. Vist the website at www.biointeractive.org.

About

DAC App

This free application simplifies the recording of student audio responses for specific AP exams. It streamlines the process for both students and proctors, and automatically uploads audio files for school staff. Designed for use on school-issued iPads.

Highlights
  • Record audio responses for AP exams
  • Simplify recording process
  • Intuitive interface for students
  • Streamline post-exam tasks
  • Direct upload of audio files
  • Designed for school-owned iPads
Read full description

The Digital Audio Capture (DAC) app is a free app developed by College Board and ETS to use for recording students’ audio responses for the AP Music Theory Exam and AP French, German, Italian, and Spanish Language and Culture Exams. This app has been developed to simplify the recording process for students and proctors, utilizing current technology that is intuitive to most students. It streamlines post-exam tasks for school staff by directly uploading student audio files after recording. School staff will follow the instructions in the 2025-26 AP Exam Instructions book to administer an exam using the DAC app. NOTE: The DAC app is limited for use on school-owned and -controlled iPad tablets (iOS 15.0 and above). Schools must update to the 2026 version of the DAC app; previous versions of the app will not work in 2026.

Verdict

The call

The clearest difference is review sentiment: Stickleback Evolution Lab at 100% against DAC App's 20%. Stickleback Evolution Lab also leads on rating (2.6 vs 1.8) and iOS requirement (8.0 vs 15.0). DAC App's advantage is update cadence (every 12 months vs every 28 months). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Stickleback Evolution Lab holds the better App Store score, 2.6 against 1.8. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 100% of Stickleback Evolution Lab's written reviews are positive against 20% of DAC App's.

UpkeepUpdate frequency

Stickleback Evolution Lab ships an update every 28 months, DAC App every 12 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Stickleback Evolution Lab versus DAC App: the parameters behind the verdict, then further details
ParameterStickleback Evolution LabDAC App
PriceFreeFree
Rating2.6 (8 ratings) — better1.8 (16 ratings)
Positive reviews100.0% of reviews — better20.0% of reviews
Number of ratings816 — better
Update frequencyEvery 28 monthsEvery 12 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS8.0 — better15.0
Further details — not scored
Size264 MB16 MB
Age rating4+4+
DeveloperHoward Hughes Medical InstituteEducational Testing Service

Customer experience

Stickleback Evolution Lab

All ratings8 ratings
Positive37.5%
Neutral0.0%
Negative62.5%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DAC App

All ratings16 ratings
Positive18.8%
Neutral0.0%
Negative81.3%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

In-app purchases

None

Stickleback Evolution Lab

No in-app purchases

None

DAC App

No in-app purchases

Questions

Is Stickleback Evolution Lab free?
Stickleback Evolution Lab is free to download, with no in-app purchases.
Is DAC App free?
DAC App is free to download, with no in-app purchases.
Which has better reviews, Stickleback Evolution Lab or DAC App?
Stickleback Evolution Lab is rated higher. Stickleback Evolution Lab averages 2.6 out of 5 from 8 ratings, while DAC App averages 1.8 from 16 ratings.
Do Stickleback Evolution Lab or DAC App have ads?
Neither Stickleback Evolution Lab nor DAC App shows ads.
Which is updated more often, Stickleback Evolution Lab or DAC App?
Stickleback Evolution Lab ships an update every 28 months, and DAC App every 12 months. Most recently, Stickleback Evolution Lab was updated on November 1, 2026 and DAC App on November 2, 2026.

Other comparisons