Comparison

100ます計算 vs Random Quiz

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

Head to head

100ます計算

Free

📚 Education

★ 5.01 ratingsView app →

About

100ます計算

Practice math drills with a treasure-hunting game. Features include past problem review, multiplication tables selection, speed tracking graphs, and a time attack mode. Progress is recorded on a calendar.

Highlights

Past problem review system
Multiplication table selection
Speed improvement graphs
Calendar for learning dates
Time attack mode

Features

Read full description

便利な機能・同じ問題を何回も学習する過去問システム・かけ算の段を選んで学習する機能・グラフで解く速度の向上をみることができます・カレンダーで学習した日にちを記録・タイムアタック機能。時間を決めて計算に取り組めるので、休み時間などに挑戦できます。 (本アプリのゲーム部分は必須ではありません。ツルハシを強化しなくても全ての機能・問題を解くことができます。)

About

Random Quiz

Features

Read full description

This app displays math problems at random.

Screenshots

100ます計算4 screens

Random Quiz4 screens

Verdict

The call

The clearest difference is update cadence: Random Quiz at every 5 days against 100ます計算's every 4 months. 100ます計算's advantage is iOS requirement (12.0 vs 15.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

100ます計算 ships an update every 4 months, Random Quiz every 5 days. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level

100ます計算 versus Random Quiz: the parameters behind the verdict, then further details
Parameter	100ます計算	Random Quiz
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 4 months	Every 5 days — better
Ads	Yes	Yes
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	203 MB	3 MB
Age rating	4+	4+
Developer	Sumie Watanabe	Katsuhiko Yao

In-app purchases

None

100ます計算

No in-app purchases

None

Random Quiz

No in-app purchases

Questions

Is 100ます計算 free?

100ます計算 is free to download, with no in-app purchases.

Is Random Quiz free?

Random Quiz is free to download, with no in-app purchases.

Do 100ます計算 or Random Quiz have ads?

Both 100ます計算 and Random Quiz show ads.

Which is updated more often, 100ます計算 or Random Quiz?

100ます計算 ships an update every 4 months, and Random Quiz every 5 days. Most recently, 100ます計算 was updated on October 27, 2026 and Random Quiz on October 6, 2026.