Comparison

MEMO Research vs Maths Monsters

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

Head to head
About

MEMO Research

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Break free from the traditional constraints of only conducting assessments in the laboratory! Empirically examine cognition within individuals' everyday lives using MEMO. This research game asks individuals to remember to complete both time-based (quizzes) and event-based (photo activities) tasks across three consecutive days. BENEFITS include: Free to use Data captured in real time A trial day to familiarise individuals with the game's features and aim Can be adjusted to accommodate different research projects Want to know more about using Memo as part of your study? Contact s.coundouris@uq.edu.au for more information

About

Maths Monsters

Features
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Maths Monsters turns everyday maths practice into a friendly creature-battling adventure. Kids explore islands, meet collectible monsters, and win battles by solving maths questions pitched at exactly the right level β€” from counting your very first apples in Prep to fractions, decimals and times tables in Year 6. Choose your curriculum β€” the Australian Curriculum v9, US Common Core, England’s National Curriculum, or the New Zealand Curriculum β€” from Foundation/Prep to Year 6. And every question and lesson is fully voiced by a friendly professional narrator, so even the earliest readers can play on their own. WHY KIDS LOVE IT β€’ Collect and grow a team of quirky maths "monsters" β€’ Battle town wardens by answering questions β€” get it right, land the hit β€’ Hundreds of towns to explore across seven year-level islands β€’ Every question read aloud β€” listen, don’t just read WHY PARENTS & TEACHERS TRUST IT β€’ Four curriculums built in β€” Australia (AC v9), United States (Common Core), England, and New Zealand β€’ Fully voiced by a professional narrator β€” great for pre- and early readers β€’ Thousands of unique questions per year level, so practice stays fresh β€’ Pitched by year: Prep counts real pictures; older years tackle place value, fractions, decimals, money, time, percentages and order of operations β€’ A built-in working-out scratchpad (finger or Apple Pencil) for showing your thinking β€’ A big, friendly number pad β€” including a decimal point β€” for typing answers β€’ No ads. No accounts. No data collection. Plays fully offline. EASY FOR THE LITTLEST LEARNERS Prep levels are almost entirely visual and fully voiced: count groups of objects, spot which group has more or fewer, find one more and one less, and recognise shapes β€” little reading required. GROWS WITH YOUR CHILD Pick any curriculum and year level from Prep to Year 6. Each save keeps its own progress, so siblings can share a device. FREE TO TRY Play one year level with a few free battles. A single one-time purchase unlocks every level and every town β€” no subscriptions, ever.

Screenshots

MEMO Research4 screens
Maths Monsters4 screens

Verdict

The call

The clearest difference is in-app purchases: MEMO Research at none against Maths Monsters's 1. MEMO Research also leads on iOS requirement (11.0 vs 17.0). Maths Monsters's advantage is update cadence (every 2 days vs every 4 months). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Maths Monsters sells 1 one-off in-app purchase. MEMO Research asks for nothing beyond the download.

UpkeepUpdate frequency

MEMO Research ships an update every 4 months, Maths Monsters every 2 days. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

Scorecard3 real differences Β· 3 level
MEMO Research versus Maths Monsters: the parameters behind the verdict, then further details
ParameterMEMO ResearchMaths Monsters
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS11.0 β€” better17.0
Further details β€” not scored
Size54 MB637 MB
Age rating4+4+
DeveloperTLD ENTERPRISES PTY LTDKendal Slack

In-app purchases

None

MEMO Research

No in-app purchases

1 purchases

Maths Monsters

One-time1
  • Full Adventure$5.99

Questions

Is MEMO Research free?
MEMO Research is free to download, with no in-app purchases.
Is Maths Monsters free?
Maths Monsters is free to download, with in-app purchases available.
Do MEMO Research or Maths Monsters have ads?
Neither MEMO Research nor Maths Monsters shows ads.
Which is updated more often, MEMO Research or Maths Monsters?
MEMO Research ships an update every 4 months, and Maths Monsters every 2 days. Most recently, MEMO Research was updated on June 5, 2026 and Maths Monsters on September 9, 2026.

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