Memory Brain Trainer (Math) vs World Flags Challenges
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memory Brain Trainer (Math)
Read full descriptionHide full description
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!
World Flags Challenges
Read full descriptionHide full description
Challenge your knowledge of flags from around the world with Guess the Country: Flag Quiz! This engaging and educational game offers two modes: Multiple Choice Quiz and Written Mode. As you progress, the difficulty increases, keeping you entertained and learning. Track your high score and compete with friends. Perfect for geography enthusiasts and learners of all ages. Available in English, Spanish, and Portuguese. Download now and put your flag knowledge to the test!
Screenshots
Verdict
The clearest difference is ads: Memory Brain Trainer (Math) at none against World Flags Challenges's shown. Memory Brain Trainer (Math) also leads on iOS requirement (6.0 vs 13.0). World Flags Challenges's advantage is update cadence (every 2 days vs every 3 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Memory Brain Trainer (Math) ships an update every 3 months, World Flags Challenges every 2 days. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.
| Parameter | Memory Brain Trainer (Math) | World Flags Challenges |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 57 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | KIDEO TECH LTD | Vinicius Fortes |
In-app purchases
Memory Brain Trainer (Math)
No in-app purchases
World Flags Challenges
No in-app purchases
Questions
Is Memory Brain Trainer (Math) free?
Is World Flags Challenges free?
Do Memory Brain Trainer (Math) or World Flags Challenges have ads?
Which is updated more often, Memory Brain Trainer (Math) or World Flags Challenges?
Other comparisons
