# Stickleback Evolution Lab vs DAC App

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.

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

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.

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.

## The numbers

| Metric | Stickleback Evolution Lab | DAC App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (8 ratings)](https://appshunter.io/ios/app/stickleback-evolution-lab/id938339250/reviews)** | [1.8 (16 ratings)](https://appshunter.io/ios/app/dac-app/id1162772990/reviews) |
| Number of ratings | 8 | **16** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 264 MB | 16 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Howard Hughes Medical Institute](https://appshunter.io/developer/411540290) | [Educational Testing Service](https://appshunter.io/developer/923503056) |

## What reviewers say

### Stickleback Evolution Lab

[App page](https://appshunter.io/ios/app/stickleback-evolution-lab/id938339250)

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:** macOS Compatibility

**In-app purchases:** none


### DAC App

[App page](https://appshunter.io/ios/app/dac-app/id1162772990)

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

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*