Comparison

Flash Anzan Brain Training vs Abacus Slash

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

Head to head
About

Flash Anzan Brain Training

Features
Read full description

This is a simple game where you can play flash mental arithmetic. In addition to ordinary flash mental arithmetic, it is equipped with the following various modes. 1. “Level Mode” where you can simply enjoy problems of various difficulty levels 2. "Endless Mode" where you aim for the maximum score by continuing to clear endless problems with optional rules 3. "Free mode" where you can customize optional rules and play mysterious problems By adding optional rules, you can play a different kind of flash mental arithmetic, and if you overdo it, it becomes chaotic! ? Recommended for various situations such as flash mental arithmetic training, killing time while commuting to work or school, brain training, drinking parties, etc.

About

Abacus Slash

A fast-paced game where you quickly input numbers on a virtual abacus to match on-screen prompts before your health depletes. Progress through 30 stages and 10 chapters, improving your mental math speed and abacus skills.

Highlights
  • Lightning-fast abacus calculation
  • 30 stages with increasing difficulty
  • Chapter-based story progression
  • Best time and star ratings
  • Multiple player profiles
  • Practice stages for basics
Features
Read full description

A lightning-fast abacus calculation game — enter the displayed numbers on the soroban before your HP runs out! From 1-digit addition to 3-digit mixed calculations, race through 30 stages across 10 chapters and prove your mental math speed. How to Play A number flashes on screen. Slide the beads to match it — fast. The longer you take, the more HP you lose. Clear consecutive numbers to complete each stage. Features - Master the Basics in Practice Stages - 30 stages: 1 to 3 digits, addition, subtraction & mixed - Chapter-based story progression - Best time & star ratings per stage - Multiple player profiles — share with family & friends - Optimized for iPhone & iPad Think you can master the abacus at maximum speed? Slash through every stage and find out.

Screenshots

Flash Anzan Brain Training4 screens
Abacus Slash4 screens

Verdict

The call

The clearest difference is in-app purchases: Flash Anzan Brain Training at none against Abacus Slash's 1. Flash Anzan Brain Training also leads on iOS requirement (13.0 vs 17.4). Abacus Slash's advantage is update cadence (every 2 days vs every 22 months). On price, 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. Abacus Slash sells 1 one-off in-app purchase. Flash Anzan Brain Training asks for nothing beyond the download.

UpkeepUpdate frequency

Flash Anzan Brain Training ships an update every 22 months, Abacus Slash every 2 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 6 level
Flash Anzan Brain Training versus Abacus Slash: the parameters behind the verdict, then further details
ParameterFlash Anzan Brain TrainingAbacus Slash
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 22 monthsEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.4
Further details — not scored
Size75 MB13 MB
Age rating4+4+
DeveloperTSUBASA MIZUNOPOPPO STUDIO

In-app purchases

None

Flash Anzan Brain Training

No in-app purchases

1 purchases

Abacus Slash

One-time1
  • Unlock All Stages & Remove Ads$3.99

Questions

Is Flash Anzan Brain Training free?
Flash Anzan Brain Training is free to download, with no in-app purchases.
Is Abacus Slash free?
Abacus Slash is free to download, with in-app purchases available.
Do Flash Anzan Brain Training or Abacus Slash have ads?
Both Flash Anzan Brain Training and Abacus Slash show ads.
Which is updated more often, Flash Anzan Brain Training or Abacus Slash?
Flash Anzan Brain Training ships an update every 22 months, and Abacus Slash every 2 days. Most recently, Flash Anzan Brain Training was updated on October 19, 2026 and Abacus Slash on October 14, 2026.

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