Comparison

8x7 Kevin vs BrainPower Cognitive Activity

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

Head to head
About

8x7 Kevin

Features
Read full description

Small mental arithmetic game with three modes : standard/uncompleted/equation. Choice on the operators to use, the difficulty, the number of operations. High score system.

About

BrainPower Cognitive Activity

Engage in a word puzzle game designed to sharpen memory, attention, and focus. Compete in real-time challenges against players worldwide, earning rewards for top performance. Offers various difficulty levels and helpful power-ups for a dynamic brain training experience.

Highlights
  • Real-time competition mode
  • Word puzzle gameplay
  • Memory and focus improvement
  • Multiple difficulty levels
  • In-game power-ups
  • Daily rewards
Features
Read full description

Challenge Your Mind. Engage Your Thinking. Have Fun. BrainPower is a cognitive activity app featuring engaging brain games, memory activities, logic puzzles, number puzzles, and thinking challenges designed to keep your mind active and engaged. Whether you enjoy solving puzzles, testing your memory, or challenging your reasoning skills, BrainPower offers a growing collection of activities for curious minds of all ages. Whether you’re a student looking for enjoyable mental challenges, an adult seeking engaging cognitive activities, or someone who simply enjoys brain games and puzzles, BrainPower provides a variety of interactive experiences designed to challenge memory, attention, reasoning, logic, and problem-solving. Features • Multiple Cognitive Activities Explore a growing collection of brain games and cognitive activities that challenge different ways of thinking. Enjoy memory activities, attention challenges, logic puzzles, number puzzles, pattern recognition, reasoning exercises, and problem-solving games. • Memory Activities & Memory Games Put your memory to the test with engaging memory games and activities that challenge recall, recognition, and working memory through fun interactive experiences. • Attention & Focus Activities Stay engaged with activities that challenge attention, concentration, observation, and visual awareness while encouraging thoughtful play. • Logic Puzzles & Number Puzzles Challenge yourself with logic puzzles and number puzzles that encourage reasoning, analytical thinking, strategy, and problem solving. • Processing Speed & Mental Agility Enjoy fast-paced activities that challenge quick thinking, observation, reaction time, and mental agility. • Executive Function Challenges Explore activities that encourage planning, organization, working memory, mental flexibility, sequencing, and strategic thinking. • Daily Brain Workout Enjoy a dedicated Daily Brain Workout mode that provides fresh opportunities to challenge yourself and keep your mind engaged. • BrainPower Elite Unlock BrainPower Elite to access additional cognitive activities, premium puzzles, exclusive challenges, and even more ways to challenge yourself. Who Can Enjoy BrainPower? • Students who enjoy challenging memory, attention, reasoning, and learning skills. • Adults looking for engaging cognitive activities and brain games. • Puzzle enthusiasts who enjoy memory games, logic puzzles, number puzzles, and thinking challenges. • Anyone who enjoys challenging their mind through fun and interactive cognitive activities. Why BrainPower? BrainPower combines engaging gameplay with a growing collection of cognitive activities designed to challenge memory, attention, logic, reasoning, problem solving, executive function, processing speed, and mental agility. Whether you have five minutes or an hour, BrainPower provides enjoyable activities that keep your mind engaged through brain games, puzzles, and daily challenges. New activities continue to be added, giving you fresh ways to challenge yourself and explore new cognitive experiences every time you play. Download BrainPower today and discover your next cognitive challenge. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

8x7 Kevin4 screens
BrainPower Cognitive Activity4 screens

Verdict

The call

The clearest difference is in-app purchases: 8x7 Kevin at none against BrainPower Cognitive Activity's 5. 8x7 Kevin also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). BrainPower Cognitive Activity's advantage is update cadence (every 5 weeks vs every 3 months). On price 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. BrainPower Cognitive Activity sells 5 in-app purchases, starting at $0.99 per month. 8x7 Kevin asks for nothing beyond the download.

UpkeepUpdate frequency

8x7 Kevin ships an update every 3 months, BrainPower Cognitive Activity every 5 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
8x7 Kevin versus BrainPower Cognitive Activity: the parameters behind the verdict, then further details
Parameter8x7 KevinBrainPower Cognitive Activity
PriceFreeFree
Rating—4.9 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—8 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size9 MB103 MB
Age rating4+4+
DeveloperMarie BerliozJustin Scarborough

In-app purchases

None

8x7 Kevin

No in-app purchases

5 purchases

BrainPower Cognitive Activity

Subscriptions2
  • Elite Mode$0.991 Month
  • Pro Membership7 Days trial$2.991 Month
One-time3
  • Brainwave Bundle$0.99
  • Memory Magic Bundle$1.49
  • Focus Fuel Bundle$3.99

Questions

Is 8x7 Kevin free?
8x7 Kevin is free to download, with no in-app purchases.
Is BrainPower Cognitive Activity free?
BrainPower Cognitive Activity is free to download, with in-app purchases available.
Do 8x7 Kevin or BrainPower Cognitive Activity have ads?
BrainPower Cognitive Activity shows ads; 8x7 Kevin does not.
Which is updated more often, 8x7 Kevin or BrainPower Cognitive Activity?
8x7 Kevin ships an update every 3 months, and BrainPower Cognitive Activity every 5 weeks. Most recently, 8x7 Kevin was updated on November 6, 2026 and BrainPower Cognitive Activity on November 4, 2026.

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