FLASH ANZAN (arithmetic) vs Mental Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FLASH ANZAN (arithmetic)
Practice mental arithmetic with adjustable settings for digit count, flash speed, and problem quantity. Designed to enhance calculation skills through timed exercises.
- Adjustable number of digits (1-7)
- Customizable flash time (0.1-3.0 seconds)
- Selectable number of problems (5-100)
- Focus on mental calculation
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-Number of Digits to choose from 1-7 -Flash time (speed) can be changed from 3.0 to 0.1 seconds -Number of problem to choose from 5-100
Mental Math
Sharpen your mental math skills with this engaging app focused on addition. Customize card numbers and timing intervals for a personalized learning experience. Track your progress with visually stimulating graphics, suitable for all ages.
- Customizable card numbers
- Adjustable timing intervals
- Focus on addition
- Progress tracking
- Engaging visuals
- User-friendly interface
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■ What is flash anzan? Flash anzan is a "soroban-style" (Japanese abacus) way to do mental math: numbers flash on the screen one after another, and you add them up in your head. No abacus experience needed — start at the beginner level and work your way up. ■ Who it's for • Kids and students who want faster arithmetic • Soroban / abacus learners practicing for tests • Adults who want a quick daily brain workout • Anyone looking for a habit they can actually keep ■ Certification-based ranks Question count, number of digits, and flash speed are designed around flash anzan certification standards. Begin at the entry grades, pass a promotion exam, and your rank goes up — from your first dan all the way to 20th dan. Your skill is shown clearly as a real rank. ■ See your progress • High score and daily scores tracked in charts • Switch between weekly, monthly, and all-time trends • A practice calendar makes your run visible ■ Stay motivated • Online ranking: compete with players worldwide, by week or all-time • Daily missions: see today's goals at a glance • Reminders: a gentle nudge at your practice time ■ Make it yours • "Practice" mode: pick your own level (digits, count, speed) with no pressure • "Challenge" mode: race the clock and test your limit • Toggle read-aloud and sound effects A few minutes of flash anzan a day turns calculation practice into a habit. Why not start with one round today? ■ Privacy Policy & Terms of Use Privacy Policy: https://takayukimeilyn.github.io/menuplanner/privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: FLASH ANZAN (arithmetic) at 75% against Mental Math's 18%. FLASH ANZAN (arithmetic) also leads on in-app purchases (none vs 3) and ads (none vs shown). Mental Math's advantage is rating (4.3 vs 3.7) and update cadence (every 8 days vs monthly). On price and ratings volume 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. Mental Math sells 3 in-app purchases, starting at $2.99 per month. FLASH ANZAN (arithmetic) asks for nothing beyond the download.
Mental Math holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 75% of FLASH ANZAN (arithmetic)'s written reviews are positive against 18% of Mental Math's, so the app with the better star average is not the one people write more warmly about.
FLASH ANZAN (arithmetic) ships an update monthly, Mental Math every 8 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.
| Parameter | FLASH ANZAN (arithmetic) | Mental Math |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.3 (4 ratings) — better |
| Positive reviews | 75.0% of reviews — better | 17.6% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Monthly | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 17 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Mako Muraoka Yudai Muraoka | TAKAYUKI HASHIMOTO |
Customer experience
FLASH ANZAN (arithmetic)
Mental Math
In-app purchases
FLASH ANZAN (arithmetic)
No in-app purchases
Mental Math
- 月間プラン7 Days trial$2.991 Month
- 年間プラン7 Days trial$19.991 Year
- Lifetime Premium$39.99
Questions
Is FLASH ANZAN (arithmetic) free?
Is Mental Math free?
Which has better reviews, FLASH ANZAN (arithmetic) or Mental Math?
Do FLASH ANZAN (arithmetic) or Mental Math have ads?
Which is updated more often, FLASH ANZAN (arithmetic) or Mental Math?
Other comparisons
