Comparison

9x9カード(法人・教育機関向け) vs Smart Math Drills

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

Head to head
About

9x9カード(法人・教育機関向け)

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このバージョンは、法人や教育期間のお客様がVPP(Volume Purchase Program)で一括購入するためのバージョンです。もちろん個人でご購入いただいても構いません アプリの内容は、通常版の「9x9カード」のアプリ内課金で機能を解放したものと同じです。 こちらのアプリのご購入前に、まずは無料版の「9x9カード」をご利用ください ============================= シンプルな九九カードのアプリです カードのタップで答えを表示、スワイプで次の問題が表示されます 九九の読み方も表示します 初期設定の読み方は変更することができるので、通っている学校で教わっている読み方に変更できます 例)はちしさんじゅうに --> はっしさんじゅうに 4つモードを用意しています ・全部の九九 ・段の選択 ・ランダム50問 ・九九チャレンジ(答えを入力しながら九九にチャレンジ) ぜひお子さまの九九学習にお役立てください!

About

Smart Math Drills

Features
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- Smart Math Drills is a simple and smart free math learning app for toddlers to elementary school students that visualizes changes in numbers. - When adding and subtracting, it is very important to understand the concept that 10 pieces are a block. With this app, you can see the changes in numbers with colors like math counters, and the number bounds when the digits go up are automatically displayed, making it easier to understand. - Let's memorize the multiplication tables by listening to the audio. - You can also learn how to calculate two-digit multiplication and division by seeing the process of column addition. - You can also create a drill with any number you like. - It is simple and lightweight, and there is no need to enter troublesome answers, so you can proceed quickly with a single button and your calculation skills will improve rapidly. - You can write letters by tracing the screen, so you can make draft notes for calculations. If you make a mistake, look at the correct answer and correct it in red. You can also practice memorizing numbers. - It's completely free and there are no communication fees and no charges (excluding advertisements). [All] - From the red buttons “Principle”, use the arrow buttons (long press to fast forward) to understand the change of numbers. - From the yellow buttons, let's do a 10-question drill. - From the blue buttons “Custom”, set the number and create a 10-question drill. - Below the red buttons “Principle (column)”, column calculation is displayed. - If you score 100 points, you will level up (max Lv99) and the pictures that appear ( illust-dayori.com ) will change. No ads are displayed. - If you press the "?" button on each page, a hint explanation and audio will appear. [Addition] - From the green buttons "= 5" and "= 10", let's memorize the numbers that add up to 5 and 10. [Multiplication] - From the red buttons “Principle”, let's understand the multiplication table and memorize it with audio. [Number] - Let's memorize the numbers from 1 to 100 by writing them or listening to the audio.

Screenshots

9x9カード(法人・教育機関向け)4 screens
Smart Math Drills4 screens

Verdict

The call

The clearest difference is price: Smart Math Drills at Free against 9x9カード(法人・教育機関向け)'s $1.99. Smart Math Drills also leads on update cadence (every 2 days vs every 25 months). On ads, in-app purchases, device support and iOS requirement 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

Smart Math Drills is free to download; 9x9カード(法人・教育機関向け) costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

9x9カード(法人・教育機関向け) ships an update every 25 months, Smart Math Drills every 2 days. The most recent releases landed on September 18, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 4 level
9x9カード(法人・教育機関向け) versus Smart Math Drills: the parameters behind the verdict, then further details
Parameter9x9カード(法人・教育機関向け)Smart Math Drills
Price$1.99Free — better
Update frequencyEvery 25 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size13 MB70 MB
Age rating4+4+
DeveloperKouichi INAFUKUSatoru Morita

In-app purchases

None

9x9カード(法人・教育機関向け)

No in-app purchases

None

Smart Math Drills

No in-app purchases

Questions

Is 9x9カード(法人・教育機関向け) free?
9x9カード(法人・教育機関向け) costs $1.99, with no in-app purchases.
Is Smart Math Drills free?
Smart Math Drills is free to download, with no in-app purchases.
Do 9x9カード(法人・教育機関向け) or Smart Math Drills have ads?
Neither 9x9カード(法人・教育機関向け) nor Smart Math Drills shows ads.
Which is updated more often, 9x9カード(法人・教育機関向け) or Smart Math Drills?
9x9カード(法人・教育機関向け) ships an update every 25 months, and Smart Math Drills every 2 days. Most recently, 9x9カード(法人・教育機関向け) was updated on September 18, 2026 and Smart Math Drills on October 10, 2026.

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