AB vs DP
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
AB
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The serious study companion for AB-900 (Microsoft 365 Copilot and Agent Administration Fundamentals). 500 original questions built to the official Study Guide, plus a full-length mock exam. One-time purchase, no subscription, fully offline. β 500 original questions, built to the official Study Guide Authored to match the AB-900 blueprint across all 3 domains β never copied from Microsoft practice questions, docs, or admin-center screenshots. Three question types: single choice, multiple response, and matching. β Three-layer explanations: learn by understanding - Per-option rationale (why each choice is right or wrong) - An overall explanation for the question - Source references (Microsoft Learn) The role differences between easily-confused products β DLP vs sensitivity labels, Defender vs Purview β finally click. Build real knowledge instead of relying on elimination. β Full-length mock exam Recreates the real exam (~45 minutes, pass mark 700/1000). After finishing, per-domain accuracy reveals your weak spots. Choose 5β50 questions. β Structured, efficient study - Study by domain and section across all 3 domains (focus on the high-weight, tricky Purview domain) - 5 study modes (sequential, shuffle, weak-spot focus, favorites, review, and more) - Progress syncs across your devices via iCloud β Bilingual JA/EN to master the terminology AB-900 can be taken in Japanese, but product and admin-center names (Microsoft Purview, Microsoft Entra ID, Defender XDR, etc.) are in English. Switch between Japanese and English to understand the material and lock in the English terms. β About AB-900 Microsoft 365 Copilot and Agent Administration Fundamentals. A fundamentals certification covering core Microsoft 365 services and security, data protection and governance with Microsoft Purview, and administration of Microsoft 365 Copilot and agents β from an administrator's perspective. β Pricing (one-time, no subscription) - Try the first 10 questions of each domain (30 total) plus one mock exam for free. - A single Β₯1,280 purchase unlocks all 500 questions and the mock exam. No monthly fees, no extra charges. β Compatibility Works on iPhone and iPad. Runs fully offline, so you can study anywhere. βββ Microsoft, Microsoft 365, Copilot, and Purview are trademarks of Microsoft Corporation. This is an independent exam-prep app and is not endorsed by, affiliated with, or sponsored by Microsoft. ----- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vRQLBWxPqUWFXYXLn2AgY23zdORK5tRzj3SiUb1MVcWIfksqlRJYOQT1QdLCRzuMILG_RIxFpojRXvc/pub
DP
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Keep studying across your phone, tablet and desktop. Use your phone on the move and a tablet or desktop when you want more room to study. Connect the same StudyCert account to continue your learning in the app and on the desktop web. Prepare for Microsoft Azure Data Fundamentals (DP-900) with 500 practice questions and 110 key terms. Study coverage Β· 4 areas β’ Describe core data concepts β’ Identify considerations for relational data on Azure β’ Describe considerations for working with non-relational data on Azure β’ Describe an analytics workload 1. Build your foundation with key terms Use flashcards to learn meanings, exam context and selection cues. Mark terms as known or not yet known, then revisit unstudied or unfamiliar cards. Edit card content to suit your learning and restore the original when needed. 2. Practice and understand each answer Study in 50-question sets, by domain or by difficulty. Work through single- and multiple-choice questions, then read the explanation for the answer and each option. Choose all, unfinished or wrong questions; shuffle questions and choices; use a study timer; and resume where you left off. 3. Review mistakes and uncertain concepts Collect questions marked for review, recent errors and repeated mistakes. Filter by cumulative wrong-answer count and focus on weaker domains or difficulty levels. The glossary report connects your known/not-yet records with accuracy on related questions. 4. Check your preparation with a mock exam Practice time management with 50 questions in 45 minutes. Change answers before submission, resume a saved exam and receive grading when time expires. Afterwards, see correct, wrong and unanswered counts, your score and domain results, then revisit mistakes. Tools that fit your study routine Optional audio study reads terms and meanings aloud. Choose whether to include exam context and selection cues, set repeats and pauses, and control playback with the mini player. In the mobile app, audio can continue in the background and with the screen locked. A study calendar, learning streaks, weekly goals, reminders for unmet goals and light, dark or system themes support your routine. Learning records are managed for each supported language. Some features require paid access. Check the included features and price on the purchase screen. Purchase restoration is supported. This is an independent study aid, not an official, affiliated or endorsed app of any exam administrator or certification body. Exam names and trademarks belong to their respective owners.
Screenshots
Verdict
The clearest difference is update cadence: DP at every 4 days against AB's every 9 days. DP also leads on iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. AB sells 1 one-off in-app purchase and DP sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
AB ships an update every 9 days, DP every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | AB | DP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 4 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 18.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 12 MB | 145 MB |
| Age rating | 4+ | 4+ |
| Developer | Nichful | CHOI SEONGMIN |
In-app purchases
AB
- Unlock All Questions$12.99
DP
- DP-900 Lifetime Access$4.99









