Memory Brain Trainer (Math) vs Countries Quiz Trivia
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Memory Brain Trainer (Math)
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A memory cards game with funny pictures combining short term memory and basic math capabilities: 1) Know the numbers. 2) Counting. 3) Addition. 4) Subtraction. This game is suitable for both kids and adults. An adult can practice his memory while enjoying a simple math operations. A kid can practice counting, addition and subtraction in a challenging and interesting and funny way. The application has four difficulty levels in each of its four sections so your child can grow with this application! Try our other FREE games: * Kids Puzzles: Match-1 * Kids Puzzles: Match-2 * Kids Puzzles: Match-3 * Memory: Brain Trainer * Kids Garden * Math School The memory is a pairs game and relevant for brain training. With this free matchup brain puzzle game your kids will train his/he memory. In addition, this memory cards game can be also suitable for adults. Enjoy!
Countries Quiz Trivia
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Welcome to "Countries Quiz Trivia" - the ultimate app for testing your knowledge about countries around the world! With two exciting game modes, you can choose to take a leisurely practice test with no time limit, or challenge yourself under pressure with the timed mode. Answer questions on geography, culture, history, and more to score 75% or above and pass the test mode. Explore the diversity of our planet while having fun and becoming a true global expert! No Intrusive ads, you choose when to see sponsored content!
Screenshots
Verdict
The clearest difference is ads: Memory Brain Trainer (Math) at none against Countries Quiz Trivia's shown. Memory Brain Trainer (Math) also leads on iOS requirement (6.0 vs 12.0). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | Memory Brain Trainer (Math) | Countries Quiz Trivia |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 6.0 โ better | 12.0 |
| Further details โ not scored | ||
| Size | 57 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | KIDEO TECH LTD | Blue Castle Studios |
In-app purchases
Memory Brain Trainer (Math)
No in-app purchases
Countries Quiz Trivia
No in-app purchases
Questions
Is Memory Brain Trainer (Math) free?
Is Countries Quiz Trivia free?
Do Memory Brain Trainer (Math) or Countries Quiz Trivia have ads?
Which is updated more often, Memory Brain Trainer (Math) or Countries Quiz Trivia?
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