Comparison

九九掛け算の達人 ! vs 内視鏡技師対策

Q: Is 九九 掛け算の達人 ! free?

九九 掛け算の達人 ! is free to download, with no in-app purchases.

Q: Do 九九 掛け算の達人 ! or 内視鏡技師対策 have ads?

九九 掛け算の達人 ! shows ads; 内視鏡技師対策 does not.

Q: Which is updated more often, 九九 掛け算の達人 ! or 内視鏡技師対策?

九九 掛け算の達人 ! ships an update monthly, and 内視鏡技師対策 every 6 weeks. Most recently, 九九 掛け算の達人 ! was updated on September 6, 2026 and 内視鏡技師対策 on September 12, 2026.

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

Head to head

九九掛け算の達人 !

1x1 からかけ算 - 算数の勉強 99 計算ドリル

Free

📚 Education

★ 4.97 ratingsView app →

About

九九掛け算の達人 !

This educational game helps children master multiplication tables. It offers a fun way to practice essential math skills for second graders.

Highlights

Multiplication study
Math game
Suitable for second graders
Practice 99 multiplication tables

Features

Read full description

This application is a math game. You can study multiplication.

About

内視鏡技師対策

Features

Read full description

内視鏡技師全800問に対応した問題集アプリ。章別演習・ランダム出題・模擬試験など複数モードで効率的に学習できます。

Screenshots

九九掛け算の達人 !3 screens

内視鏡技師対策4 screens

Verdict

The call

The clearest difference is price: 九九掛け算の達人 ! at Free against 内視鏡技師対策's $5.99. 内視鏡技師対策's advantage is ads (none vs shown). On update cadence, 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

九九掛け算の達人 ! is free to download; 内視鏡技師対策 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

九九掛け算の達人 ! ships an update monthly, 内視鏡技師対策 every 6 weeks. The most recent releases landed on September 6, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 7 level

九九掛け算の達人 ! versus 内視鏡技師対策: the parameters behind the verdict, then further details
Parameter	九九掛け算の達人 !	内視鏡技師対策
Price	Free — better	$5.99
Rating	4.9 (7 ratings) — better	—
Number of ratings	7 — better	—
Update frequency	Monthly — better	Every 6 weeks
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0 — better	15.1
Further details — not scored
Size	155 MB	34 MB
Age rating	4+	4+
Developer	Ohmori Takeru	satoshi yoshida

In-app purchases

None

九九掛け算の達人 !

No in-app purchases

None

内視鏡技師対策

No in-app purchases

Questions

Is 九九掛け算の達人 ! free?

九九掛け算の達人 ! is free to download, with no in-app purchases.

Is 内視鏡技師対策 free?

内視鏡技師対策 costs $5.99, with no in-app purchases.

Do 九九掛け算の達人 ! or 内視鏡技師対策 have ads?

九九掛け算の達人 ! shows ads; 内視鏡技師対策 does not.

Which is updated more often, 九九掛け算の達人 ! or 内視鏡技師対策?

九九掛け算の達人 ! ships an update monthly, and 内視鏡技師対策 every 6 weeks. Most recently, 九九掛け算の達人 ! was updated on September 6, 2026 and 内視鏡技師対策 on September 12, 2026.