優しい色合いのフラッシュ暗算 vs drillio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
優しい色合いのフラッシュ暗算
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「口数」「桁数」「間隔」の設定を変えて遊ぶことが出来ます。 ＜設定可能な選択＞ ・口数：5〜100問 ・桁数：1〜4桁 ・間隔：0.5〜3.0秒の0.5秒刻み 通常のフラッシュ暗算よりも優しい色合いで目への負担をかかりにくくしているため、小さなお子様からご年配の方まで楽しんでいただけたらと思います！
drillio
Enhance your calculation abilities with engaging mental math exercises. This app offers customizable practice cards for addition, subtraction, multiplication, and division, along with progress tracking to keep you motivated.
- Mental math cards for calculation techniques
- Customizable practice modes
- Progress tracking via stats tab
- Engaging brain-boosting exercises
- Covers addition, subtraction, multiplication, division
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drillio helps you build real mental math skills with soroban-style flash anzan and arithmetic drills. 41 flash anzan levels (from beginner to 20th dan) and 278 arithmetic lessons. All core learning is free. FLASH ANZAN - 41 levels: beginner, 20th kyu to 1st kyu, then 1st to 20th dan - Master a level by answering correctly 10 times, and earn a certificate - Frame-accurate display timing, so even the fastest flashes are shown precisely - Custom mode: choose your own digits, number of terms and display time - Your fastest answer is saved automatically ARITHMETIC DRILLS - 278 lessons in addition, subtraction, multiplication and division, from basic to advanced - 2-digit x 2-digit, 3-digit problems, fill-in-the-blank problems and more - Earn more points the faster you answer, and see your progress for each lesson CHALLENGES - Time Attack: solve as many problems as you can before time runs out - Oni Calc: answer the problem from N steps back, training memory and calculation together KEEP GOING - Daily streaks, study time and points - Reminders before your streak ends drillio PRO (optional) - No ads - Dark mode - Streak recovery - Priority support Subscriptions renew automatically unless cancelled. Terms of Use: https://gist.github.com/aviciida/c635fb7d61c24c8df4f39506902f3ca6 Privacy Policy: https://gist.github.com/aviciida/f9dd03234fa3de0b23aa536073abcca4
Screenshots
Verdict
The clearest difference is in-app purchases: 優しい色合いのフラッシュ暗算 at none against drillio's 3. On price, update cadence, ads 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. drillio sells 3 in-app purchases, starting at $1.99 per month. 優しい色合いのフラッシュ暗算 asks for nothing beyond the download.
優しい色合いのフラッシュ暗算 ships an update every 3 weeks, drillio every 2 weeks. Both last shipped on October 27, 2026.
| Parameter | 優しい色合いのフラッシュ暗算 | drillio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (8 ratings) — better |
| Positive reviews | — | 90.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 18 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Manae Ishida | Ryo Iida |
In-app purchases
優しい色合いのフラッシュ暗算
No in-app purchases
drillio
- drillio PRO Monthly$1.991 Month
- drillio PRO campaign1 Year trial$14.991 Year
- drillio PRO Annual$14.991 Year
Questions
Is 優しい色合いのフラッシュ暗算 free?
Is drillio free?
Do 優しい色合いのフラッシュ暗算 or drillio have ads?
Which is updated more often, 優しい色合いのフラッシュ暗算 or drillio?
Other comparisons
