Comparison

DAC App vs Investigation Declaration

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

Head to head
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.

About

Investigation Declaration

Embark on a historical investigation to uncover how Enlightenment ideas influenced the Declaration of Independence. Travel across time and the Atlantic world, collecting evidence to restore corrupted files and understand the spread of concepts like natural rights and state sovereignty.

Highlights
  • Explore 10 Atlantic world locations
  • Track Natural Rights, State Sovereignty, or Social Contract
  • Mad-lib style evidence linking
  • Historical scenes with narrative
  • Spanish translation and English voiceover
  • Glossary and classroom resources
Features
Read full description

"An international crime of epic proportions has occurred. Members of a global crime ring, Baddies Against Rights & Freedom (B.A.R.F. for short), have hacked the most elite of institutions… the Bureau of Ideas! B.A.R.F. aims to destroy any and all files related to freedom, democracy, and rights. As Secret Agent 6, you will travel across time and the Atlantic world to investigate records that connect Enlightenment to the United States Declaration of Independence and beyond. Find how ideas have spread, track evidence of natural rights, state sovereignty, and the Social Contract, and restore the corrupted files. Game Features: - Multiple paths to completion: track Natural Rights, State Sovereignty, the Social Contract, or complete them all! - Explore 10 locations across the Atlantic world to collect evidence and connect. - Historical scenes enhanced by a narrative and rich material culture. - Mad-lib style activity links locations based on the evidence you collect along the way. For English Language Learners: This game offers a support tool, Spanish translation, English voiceover, and glossary. Teachers: Visit the iCivics """"teach"""" page to check out classroom resources for Investigation Declaration! Learning Objectives: - Track a set of Enlightenment ideas that inspired and followed the Declaration of Independence, particularly between 1750 and 1850. - Draw ideological cause-and-effect connections between historical events. - Identify and define the concepts of natural rights, the Social Contract, and state sovereignty. - Understand the roles of time and geography in the spread of ideas. - Describe methods by which ideas were transmitted during this time period: trade, written communications, migration, and print. - Become familiar with ideas, people, locations, and events that influenced declarations of rights and freedoms during this time period. Made in partnership with the Colonial Williamsburg Foundation "

Screenshots

Investigation Declaration4 screens

Verdict

The call

The clearest difference is rating: Investigation Declaration at 3.0 against DAC App's 1.8. Investigation Declaration also leads on update cadence (every 3 months vs every 12 months) and device support (3 vs 1). DAC App's advantage is ratings volume (16 vs 2). On price, ads, in-app purchases and monetization model 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

Investigation Declaration holds the better App Store score, 3.0 against 1.8. That said, the two scores are not equally well evidenced: DAC App has 16 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

DAC App ships an update every 12 months, Investigation Declaration every 3 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
DAC App versus Investigation Declaration: the parameters behind the verdict, then further details
ParameterDAC AppInvestigation Declaration
PriceFreeFree
Rating1.8 (16 ratings)3.0 (2 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings16 — better2
Update frequencyEvery 12 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size16 MB351 MB
Age rating4+4+
DeveloperEducational Testing ServiceiCivics, Inc.

In-app purchases

None

DAC App

No in-app purchases

None

Investigation Declaration

No in-app purchases

Questions

Is DAC App free?
DAC App is free to download, with no in-app purchases.
Is Investigation Declaration free?
Investigation Declaration is free to download, with no in-app purchases.
Which has better reviews, DAC App or Investigation Declaration?
Investigation Declaration is rated higher. DAC App averages 1.8 out of 5 from 16 ratings, while Investigation Declaration averages 3.0 from 2 ratings.
Do DAC App or Investigation Declaration have ads?
Neither DAC App nor Investigation Declaration shows ads.
Which is updated more often, DAC App or Investigation Declaration?
DAC App ships an update every 12 months, and Investigation Declaration every 3 months. Most recently, DAC App was updated on November 2, 2026 and Investigation Declaration on November 4, 2026.

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