Comparison

Active Smart Brain Checkers vs Memuri

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

Head to head
About

Active Smart Brain Checkers

Test your math skills with a fast-paced puzzle game. Quickly determine if equations are correct or incorrect within a strict time limit. Progress through increasingly challenging levels across four fundamental arithmetic operations.

Highlights
  • Speed math challenges
  • Right/Wrong equation tapping
  • Time-sensitive gameplay
  • Progressive difficulty
  • Addition mode
  • Subtraction mode
  • Multiplication mode
  • Division mode
Features
Read full description

Speed math to boost your brain power. The rules are simple: See the equation (i.e. "1+2=3") and tap if it is RIGHT or WRONG. Players have literally a second to answer the question. Game is over if player run out of time or answer incorrectly. The questions get progressively hard as more questions appears. 4 GAME MODES: ------------------------------ 1) Addition 2) Subtraction 3) Multiplication 4) Division

About

Memuri

Read full description

Cover what you need to remember. It becomes a question. Memuri turns photos and PDF pages into occlusion flashcards. Import a page, swipe over the answer, and study by recalling what is hidden. No retyping. No rebuilding the notes you already made. MAKE QUESTIONS WITH A SWIPE - Import photos, screenshots, and selected PDF pages - Draw one or more masks over the parts you want to remember - Share multiple images from Photos to create cards in bulk - Reveal each answer when you study - Add text, images, or recordings to the answer side REPEAT THE WHOLE DECK BEFORE THE EXAM Set an exam date and Memuri keeps reviews from slipping past it. When you need a final push, Cram All lets you repeat the complete deck for as many rounds as you choose—without changing your long-term review schedule. Widgets show the days left and today's workload. REMEMBER FOR LONGER On regular study days, spaced repetition schedules each question from your reviews. Choose a review intensity that fits your pace. YOUR CARDS STAY YOURS - Create, study, and export without an internet connection - No Memuri account required - Optional iCloud sync uses your private iCloud database - No in-app ads; optional ad measurement only if you allow tracking - Export to apkg is always free, including cards beyond the free limit Free: create and study up to 300 questions. Memuri Pro: unlimited questions, unlimited apkg imports, and iCloud sync. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://arboreumlabs.com/memuri/privacy

Screenshots

Active Smart Brain Checkers4 screens
Memuri4 screens

Verdict

The call

The clearest difference is ads: Active Smart Brain Checkers at none against Memuri's shown. Active Smart Brain Checkers also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, 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. Active Smart Brain Checkers sells 3 one-off in-app purchases and Memuri sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Active Smart Brain Checkers versus Memuri: the parameters behind the verdict, then further details
ParameterActive Smart Brain CheckersMemuri
PriceFreeFree
Rating3.8 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyWeeklyWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size9 MB24 MB
Age rating+44+
DeveloperArch SquareHYUNWOO PARK

In-app purchases

3 purchases

Active Smart Brain Checkers

One-time3
  • Pack of 250 Tokens$0.99
  • Pack to Unlock All Game Modes$1.99
  • Pack to Remove Ads$1.99
3 purchases

Memuri

Subscriptions2
  • Memuri Pro Monthly$3.991 Month
  • Memuri Pro Yearly$19.991 Year
One-time1
  • Memuri Pro Lifetime$49.99

Questions

Is Active Smart Brain Checkers free?
Active Smart Brain Checkers is free to download, with in-app purchases available.
Is Memuri free?
Memuri is free to download, with in-app purchases available.
Do Active Smart Brain Checkers or Memuri have ads?
Memuri shows ads; Active Smart Brain Checkers does not.
Which is updated more often, Active Smart Brain Checkers or Memuri?
Active Smart Brain Checkers ships an update weekly, and Memuri weekly. Most recently, Active Smart Brain Checkers was updated on November 8, 2026 and Memuri on October 31, 2026.

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