Comparison

DAC App vs CK

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

CK

This app offers a secure and filtered internet browsing experience for iOS users, ensuring CIPA compliance for educational institutions. It provides granular, identity-based reporting and policy-driven web access control, whether users are on-premises or traveling globally.

Highlights
  • Secure internet browsing
  • Identity-based reporting
  • Policy-based filtering
  • CIPA compliance
  • Global web access control
  • MDM deployment
Read full description

The ContentKeeper CK-AUTH App provides users with a protected Internet browsing experience in conjunctions with the ContentKeeper Secure Internet Gateway (CK-SIG) system. The App provides for highly granular users-identity based reporting along with single sign-on support. User access to Internet resources are controlled by a sophisticated policy-based filtering engine. Features :- • Allows iOS users to have the same level of filtered and controlled web browsing access when either on-premises or travelling globally • Provides for policy-based high performance visibility of all web traffic and search engine activity • Ensures CIPA compliance for the education sector The system is easily deployed via a supported MDM system to the iOS endpoints. The system automatically detects when an iOS device is on-network or mobile and adjusts accordingly. The app does not involve the use of a Proxy server. Note: ContentKeeper Secure Web Gateway V190 or above and associated licence subscription is required.

Screenshots

CK1 screens

Verdict

The call

The clearest difference is rating: DAC App at 1.8 against CK's 1.4. DAC App also leads on review sentiment (20% vs 0%). CK's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads 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

DAC App holds the better App Store score, 1.8 against 1.4. Both are backed by a comparable volume of ratings — 16 and 19 respectively. Written reviews point the same way: 20% of DAC App's written reviews are positive against 0% of CK's.

UpkeepUpdate frequency

DAC App ships an update every 12 months, CK every 9 months. Both last shipped on November 2, 2026.

Scorecard3 real differences · 7 level
DAC App versus CK: the parameters behind the verdict, then further details
ParameterDAC AppCK
PriceFreeFree
Rating1.8 (16 ratings) — better1.4 (19 ratings)
Positive reviews20.0% of reviews — better0.0% of reviews
Number of ratings1619 — better
Update frequencyEvery 12 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.014.0 — better
Further details — not scored
Size16 MB2 MB
Age rating4+4+
DeveloperEducational Testing ServiceContentKeeper Technologies

Customer experience

DAC App

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

CK

All ratings18 ratings
Positive11.1%
Neutral0.0%
Negative88.9%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

DAC App

No in-app purchases

None

CK

No in-app purchases

Questions

Is DAC App free?
DAC App is free to download, with no in-app purchases.
Is CK free?
CK is free to download, with no in-app purchases.
Which has better reviews, DAC App or CK?
DAC App is rated higher. DAC App averages 1.8 out of 5 from 16 ratings, while CK averages 1.4 from 19 ratings.
Do DAC App or CK have ads?
Neither DAC App nor CK shows ads.
Which is updated more often, DAC App or CK?
DAC App ships an update every 12 months, and CK every 9 months. Most recently, DAC App was updated on November 2, 2026 and CK on November 2, 2026.

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