九九 vs Speed Math Drill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
九九
This app offers a comprehensive multiplication and word problem learning experience with randomized practice questions. It includes a review mode for incorrect answers and is free to use with optional ad removal via in-app purchase.
- Randomized multiplication problems
- Word problem practice
- Review mode for incorrect answers
- Calendar feature
- Name and icon display for submissions
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-多くの教育機関でもご好評いただいています- 2.0 追加機能 カレンダー なまえとアイコンを表示できる機能（スクリーンショットで宿題を提出する際などにご活用ください 九九やかけ算の問題がたくさん詰まったアプリです。 問題はランダムで作成されるので、何度でも繰り返し学習できます。 間違った問題だけを集めた復習モードを搭載！ 苦手な段の克服に役立ちます。 全て無料でお使いいただけます。 画面下部にバナー広告が挿入されます。 アプリ内購入でバナー広告を非表示にできます。
Speed Math Drill
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Train your calculation speed with 100-question timed drills — for kids and adults alike. Speed Math Drill is a no-nonsense arithmetic practice app. Open it, pick a mode, and start solving. No registration, no account, no internet needed. ■ WHAT YOU PRACTICE • Addition, subtraction, multiplication & division • Times tables (multiplication tables) • All operations mixed, or single-subject focus ■ HOW IT WORKS Each session gives you 100 questions. Solve them as fast as you can and beat your personal best. ■ WHO IT'S FOR • Elementary-age kids building calculation speed • Parents looking for a simple, ad-light math tool • Adults keeping arithmetic reflexes sharp • Students preparing for timed math tests ■ FREE vs. PREMIUM Free — All four operations (mixed): 100 questions per session, with banner ads Premium (one-time purchase): · Single-subject focus mode (addition only, subtraction only, etc.) · Ad-free experience No subscriptions. No recurring charges. Pay once, use forever. ■ FULLY OFFLINE & PRIVATE No data is collected or sent anywhere. Works without Wi-Fi.
Screenshots
Verdict
The clearest difference is update cadence: Speed Math Drill at every 10 days against 九九's every 5 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
Both are free to download. 九九 sells 1 one-off in-app purchase and Speed Math Drill sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
九九 ships an update every 5 months, Speed Math Drill every 10 days. The most recent releases landed on June 5, 2026 and September 12, 2026 respectively.
| Parameter | 九九 | Speed Math Drill |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 109 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Sumie Watanabe | MASAKI CHIBA |
In-app purchases
九九
- 九九アプリバナー広告非表示$1.99
Speed Math Drill
- Premium Unlock$1.99
Questions
Is 九九 free?
Is Speed Math Drill free?
Do 九九 or Speed Math Drill have ads?
Which is updated more often, 九九 or Speed Math Drill?
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