Comparison

Fast100Math vs 電光石火

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

Head to head
About

Fast100Math

Features
Read full description

Have Fun Training Your Brain with the 100-Masu Calculation App! A simple yet profound app that everyone can enjoy! Improve your calculation skills while customizing your experience to match your style. ■Flexible Calculation Modes Supports addition, subtraction, and multiplication from single-digit to double-digit numbers. Choose your preferred difficulty, from 25 to 100 grids! ■Compete on the Global Leaderboard Challenge users worldwide and compete for the highest score! Aim for the top with your 10 × 10 records. ■Various Input Methods Supports voice and handwriting inputs. Choose the method that suits you best. ■Customizable Appearance Personalize your app by adjusting background colors, text colors, and fonts. Create your very own design and enjoy! ■Accessibility Features With VoiceOver support, you can solve math problems using audio assistance without relying on visuals. Step into the world of brain training! Boost your scores with 100-Masu calculations and aim for the top of the global leaderboard. Experience the joy of improving your calculation skills today!

About

電光石火

Features
Read full description

『電光石火』は「九九」「四字熟語」「県庁所在地」など、反復練習ですばやく答えられるようになるべきものを、ゲーム形式で手軽に身につけられるアプリです。 「たしざん」「ひきざん」「L / Rの聞き分け」「炎色反応」「東西南北」など、定番のものから少し変わったものまで、様々なコンテンツを提供しています。すばやく答えて最高ランクを目指しましょう!

Screenshots

Fast100Math4 screens
電光石火4 screens

Verdict

The call

The clearest difference is update cadence: Fast100Math at every 3 days against 電光石火's every 2 weeks. 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

Fast100Math ships an update every 3 days, 電光石火 every 2 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
Fast100Math versus 電光石火: the parameters behind the verdict, then further details
ParameterFast100Math電光石火
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS18.018.0
Further details — not scored
Size31 MB8 MB
Age rating4+4+
Developermakoto amijimaYuta Koshizawa

In-app purchases

None

Fast100Math

No in-app purchases

None

電光石火

No in-app purchases

Questions

Is Fast100Math free?
Fast100Math is free to download, with no in-app purchases.
Is 電光石火 free?
電光石火 is free to download, with no in-app purchases.
Do Fast100Math or 電光石火 have ads?
Neither Fast100Math nor 電光石火 shows ads.
Which is updated more often, Fast100Math or 電光石火?
Fast100Math ships an update every 3 days, and 電光石火 every 2 weeks. Most recently, Fast100Math was updated on October 28, 2026 and 電光石火 on October 30, 2026.

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