Comparison

Flash mental calculation vs Anzan+

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

Head to head
About

Flash mental calculation

Practice mental arithmetic with this educational app. Review your calculation process, and easily re-challenge mistaken problems from your past logs. Upgrade to save more calculation history.

Highlights
  • Practice flash mental arithmetic
  • Review calculation process
  • Rechallenge mistaken problems
  • Save past calculation logs
  • Log history saved after purchase
Features
Read full description

This app that you can practice flash mental arithmetic. You can review the calculation process by tapping the confirmation button after calculation. In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later. The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase. ■ Past log Challenge mode, practice mode questions and results are automatically saved. Touch the challenge button to re-challenge the question. The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.

About

Anzan+

Engage in quick mental math challenges with 10 questions per round. Build combos, unlock bonus rounds, and track your progress. Customize your experience with adjustable music and haptic feedback.

Highlights
  • 10-question rounds
  • Adjustable difficulty levels
  • Combo building for musical progression
  • Bonus round for perfect scores
  • Personal best tracking
  • Offline practice mode
  • Customizable sound and haptics
Features
Read full description

Solve it. Feel the beat. Anzan+ turns mental math into a quick, playful challenge. Answer 10 questions, build your combo, and hear the music grow with every streak. A QUICK ROUND, ANYTIME Choose Easy, Normal, or Hard and jump into a 10-question challenge. Practice addition and subtraction on Easy, or mix in multiplication and division on Normal and Hard. BUILD THE BEAT Consecutive correct answers build your combo. Reach 3 to add the bass, then 5 to bring in the melody. Enjoy responsive keys, short sound effects, and optional haptic feedback. GO FOR FEVER Get all 10 questions right to unlock an optional 15-second bonus round. Keep solving and see how many bonus answers you can get. BEAT YOUR PERSONAL BEST Complete a perfect round to save your best time for that difficulty. See your accuracy, time, and best combo, then share your result with friends. PRACTICE AT YOUR OWN PACE Practice without a countdown and revisit questions you missed. Choose the difficulty that suits you and make progress one round at a time. MAKE IT YOURS Turn music, haptics, and celebration effects on or off. No account is required, and your personal bests are stored on your device. “Anzan” means mental arithmetic in Japanese. Pick a level, press Start, and find your flow.

Screenshots

Flash mental calculation3 screens
Anzan+4 screens

Verdict

The call

The clearest difference is rating: Flash mental calculation at 5.0 against Anzan+'s 4.0. Flash mental calculation also leads on update cadence (every 5 months vs every 11 months). Anzan+'s advantage is in-app purchases (none vs 1). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flash mental calculation sells 1 one-off in-app purchase. Anzan+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flash mental calculation holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Flash mental calculation ships an update every 5 months, Anzan+ every 11 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard4 real differences · 6 level
Flash mental calculation versus Anzan+: the parameters behind the verdict, then further details
ParameterFlash mental calculationAnzan+
PriceFreeFree
Rating5.0 (2 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 5 months — betterEvery 11 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.2
Further details — not scored
Size11 MB9 MB
Age rating4+4+
Developerkenji kiuchiErika Fujita

Customer experience

Flash mental calculation

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Anzan+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Flash mental calculation

One-time1
  • Remove AD & All function Release.$9.99
None

Anzan+

No in-app purchases

Questions

Is Flash mental calculation free?
Flash mental calculation is free to download, with in-app purchases available.
Is Anzan+ free?
Anzan+ is free to download, with no in-app purchases.
Which has better reviews, Flash mental calculation or Anzan+?
Flash mental calculation is rated higher. Flash mental calculation averages 5.0 out of 5 from 2 ratings, while Anzan+ averages 4.0 from 1 ratings.
Do Flash mental calculation or Anzan+ have ads?
Both Flash mental calculation and Anzan+ show ads.
Which is updated more often, Flash mental calculation or Anzan+?
Flash mental calculation ships an update every 5 months, and Anzan+ every 11 months. Most recently, Flash mental calculation was updated on October 24, 2026 and Anzan+ on October 23, 2026.

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