Comparison

AB vs DP

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

Head to head
About

AB

Features
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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. ■ 500 original questions, built to the official Study Guide Authored to match the AB-900 blueprint across all 3 domains — never copied from Microsoft practice questions, docs, or admin-center screenshots. Three question types: single choice, multiple response, and matching. ■ 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 — DLP vs sensitivity labels, Defender vs Purview — finally click. Build real knowledge instead of relying on elimination. ■ Full-length mock exam Recreates the real exam (~45 minutes, pass mark 700/1000). After finishing, per-domain accuracy reveals your weak spots. Choose 5–50 questions. ■ 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 ■ 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. ■ 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 — from an administrator's perspective. ■ Pricing (one-time, no subscription) - Try the first 10 questions of each domain (30 total) plus one mock exam for free. - A single ¥1,280 purchase unlocks all 500 questions and the mock exam. No monthly fees, no extra charges. ■ Compatibility Works on iPhone and iPad. Runs fully offline, so you can study anywhere. ――― 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

About

DP

Features
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Microsoft Azure Data Fundamentals(DP-900)の学習を、Azureデータサービスの使い分けを中心にサポートする試験対策アプリです。買い切り・広告なし・ログイン不要。 単なる一問一答ではありません。Azure SQL・Cosmos DB・Blob Storageなど混同しやすいデータサービスを、比較カードで整理できます。SQL読み取りやNoSQLの用途判断、Power BIの可視化選択まで、DP-900の4領域を体系的に対策できます。 ■ 4領域・8章で体系的にカバー コアデータ概念から分析ワークロードまで、公式の出題比率に沿って学べます。 ■ Azureデータサービス比較カード SQL系、Cosmos DB、Blob、Fabricなど、似たサービスの使い分けを整理します。 ■ SQL・NoSQL・Power BIを実践形式で SQL読み取り、サービス選択、可視化選択の問題を収録しています。 ■ 700点到達目安と4領域ヒートマップ 本番形式模試の結果から、合格ラインまでの距離と苦手領域を可視化します。 ■ 紛らわしい選択肢まで解説 BlobとData Lakeのように似た選択肢も、違いを1つずつ確認できます。 ■ 「わからない」は間違いと別に記録 勘で当たった問題と、理解して解けた問題を分けて残せます。おまかせ復習では、わからないと答えた問題から順に出題します。 ■ 勉強モード(スクリーンタイム連携) SNSや動画など、気が散るアプリを選んだ時間だけ開けなくします。購入しなくても使え、ホームから始めて途中でいつでも止められます。 ■ 料金 基本の問題・10問ミニ模試・カードの一部は、購入しなくても使えます。すべての問題と本番形式模試などは買い切りで解放され、月額課金はありません。広告やログインもなく、学習データは端末内だけに保存されます。 ■ ご注意 本アプリは、Microsoft Azure Data Fundamentals DP-900 の学習を支援する非公式アプリです。Microsoft Corporation、Microsoft Azure、その他の公的団体とは関係ありません。試験日程、試験制度、出題範囲、試験ガイドなどの最新情報は必ずMicrosoft公式サイトでご確認ください。本アプリの問題・解説・サービスカード・比較カードは学習支援を目的として独自作成したものです。 利用規約(使用許諾契約/EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ プライバシーポリシー:https://common-legume-c99.notion.site/DP-900-399fb55d256781669bb9f266ae63cd07

Screenshots

AB4 screens
DP4 screens

Verdict

The call

The clearest difference is update cadence: AB at every 9 days against DP's every 2 months. On price, ads, in-app purchases and device support 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. 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.

UpkeepUpdate frequency

AB ships an update every 9 days, DP every 2 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 5 level
AB versus DP: the parameters behind the verdict, then further details
ParameterABDP
PriceFreeFree
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS18.617.0 — better
Further details — not scored
Size12 MB6 MB
Age rating4+4+
DeveloperNichfulShunya Iwasaki

In-app purchases

1 purchases

AB

One-time1
  • Unlock All Questions$12.99
1 purchases

DP

One-time1
  • プレミアム(買い切り)$14.99

Questions

Is AB free?
AB is free to download, with in-app purchases available.
Is DP free?
DP is free to download, with in-app purchases available.
Do AB or DP have ads?
Neither AB nor DP shows ads.
Which is updated more often, AB or DP?
AB ships an update every 9 days, and DP every 2 months. Most recently, AB was updated on October 13, 2026 and DP on October 20, 2026.

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