Comparison

Brain Explorer vs Longleaf Valley

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

Head to head
About

Brain Explorer

Engage in fun, scientifically-backed games to test your cognitive abilities. Compare your brainpower with others and contribute to neuroscience research. Explore a galaxy-themed adventure while unlocking new challenges and earning achievements.

Highlights
  • Play brain-testing games
  • Compare brain scores with others
  • Win medals and unlock games
  • Help scientists understand the brain
  • Space-themed exploration
  • Anonymous data collection
Features
Read full description

How does your brain work? How is your brain power compared to your friends? Play the fun and entertaining games in the Brain Explorer app and learn all about your brain. The Brain Explorer app was developed by world-leading neuroscientists at University College London (UCL) and brings you the newest games to measure your brain power using the most state-of-the-art brain tests. Using this app, you can - Play many fun games that test your brain power - Compare your brain scores with others - Win medals and unlock hidden games - Help scientists understand how the brain works. You will explore outer space, find new planets, visit intergalactic marketplaces and hunt for treasures across the entire galaxy. This space-themed app entails multiple entertaining games, each of them probing another brain function. You get feedback about your performance, can learn about your brain strengths, and compare yourself to others. By playing these games, you will collect moons and stars that allow you to further explore the galaxy. If you play well, you will win medals and get badges for your achievements. Brain explorer is a citizen science project. By playing these games and answering questions, you will help scientist understand how the brain develops and how brain functions are linked to mental health. Become a researcher yourself and help uncover the hidden mysteries of the brain. Data collection is entirely anonymous.

About

Longleaf Valley

Merge items to restore a natural valley and help fight climate change. Play through an eco-adventure, collect animals, and plant real trees in conservation projects worldwide. It's a relaxing way to make a positive impact on the planet.

Highlights
  • Merge to restore nature's garden
  • Uncover eco-adventure story
  • Collect and rescue animals
  • Plant real trees with partners
  • Relaxing merge gameplay
  • Compete with other players
Features
Read full description

Want to make a difference with the games you play? You PLAY, we PLANT! Discover a natural world where you merge to plant real trees! Our mission is to make games that protect nature and fight climate change. With over 2 MILLION real trees planted in worldwide conservation projects, you can join our community and merge to fight climate change today. = KEY FEATURES = • ECO ADVENTURE Uncover a devastating climate disaster that needs your help. Expose secret crimes of the mystery corporation behind the park's destruction! Work with the town mayor, the park ranger and the investigative journalist to unravel the gossip and travel a world that stretches the county on a road trip of eco fun! • RESTORE THE VALLEY Discover a valley that lies in ruin. Merge to design and renovate nature's garden to a sunny paradise; from the quiet creek to the heights of Mount Fairview. Your mission is to protect the environment. Only you can stop the development of a mansion, cafe, restaurant, diner or manor on the green land. • COLLECT ANIMALS Rescue animals and give them a home on your merge board. Exciting special events give exclusive animal rewards! Discover new merge opportunities with an evolving events calendar. Compete with other merge players from around the world for extra boosters! • MERGE TO RELAX Relax and reconnect with nature as you create a green world. It's the easy, cozy way to make a difference for the planet! • PLANT REAL TREES We partner with Eden: People + Planet to plant real trees and protect our world. Reach level 12 to plant your first real tree today! Longleaf Valley is the number one merge game for a better planet! Download to fight climate change and plant your tree today! —————————— Follow us for more merge games fun! Facebook: @longleafvalley Instagram: @longleafvalley TikTok: @longleafvalley —————————— For merge games Player Support: help@treespleasegames.com Our Conservation Partner: https://www.eden-plus.org/ Fo our merge games Privacy Policy: https://www.treespleasegames.com/privacy For our merge games Terms of Service: https://www.treespleasegames.com/terms

Screenshots

Brain Explorer4 screens
Longleaf Valley4 screens

Verdict

The call

The clearest difference is in-app purchases: Brain Explorer at none against Longleaf Valley's 35. Brain Explorer also leads on ads (none vs shown) and rating (5.0 vs 4.7). Longleaf Valley's advantage is ratings volume (8.2K vs 6) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement 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. Longleaf Valley sells 31 one-off in-app purchases. Brain Explorer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Brain Explorer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Longleaf Valley has 8.2K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Brain Explorer's written reviews are positive against 82% of Longleaf Valley's.

UpkeepUpdate frequency

Brain Explorer ships an update monthly, Longleaf Valley every 2 weeks. The most recent releases landed on September 30, 2026 and October 19, 2026 respectively.

Scorecard7 real differences · 3 level
Brain Explorer versus Longleaf Valley: the parameters behind the verdict, then further details
ParameterBrain ExplorerLongleaf Valley
PriceFreeFree
Rating5.0 (6 ratings) — better4.7 (8.2K ratings)
Positive reviews100.0% of reviews — better82.4% of reviews
Number of ratings68.2K — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size51 MB358 MB
Age rating4+4+
Developerthkp, LLCTreesPlease Games Ltd

Customer experience

Brain Explorer

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Longleaf Valley

All ratings8,218 ratings
Positive94.1%
Neutral3.2%
Negative2.7%
Written reviews1,144 reviews
Positive82.4%
Neutral6.6%
Negative10.9%

Bugs and requests

Brain Explorer

Not enough reviews yet to summarise bugs or requests.

Longleaf Valley

Reported bugs

4 issues
  • Game freezing or crashing on certain devices
  • Disappearing items from the board
  • Issues with event timers and completion
  • Inconsistencies with item rewards and payouts

Requested features

6 requests
  • Ability to transfer game progress to new devices
  • More board space as the game progresses
  • Faster energy recharge time
  • Fewer mandatory ads
  • Ability to skip or bypass certain tasks
Show 1 more
  • More variety in the types of trees that can be planted

In-app purchases

None

Brain Explorer

No in-app purchases

31 purchases

Longleaf Valley

One-time31
  • Value Pack$0.99
  • Valley Trove XS$0.99
  • Handful of Coins2 variants$1.99
Show 28 more
  • Harvest Trail XS$1.99
  • Eco Trail XS$2.99
  • Energy Booster Bundle$3.99
  • Small Coins Pouch2 variants$4.99
  • Bug Hunt Event Bundle$4.99
  • Reforesting Pack$4.99
  • Dylan the Dog Bundle$4.99
  • Puppy Rescue Bundle$4.99
  • Summer Event Bundle$4.99
  • Harvest Festival Bundle$4.99
  • Eco Chic Bundle$4.99
  • Puppy Rescue Dash Bundle$4.99
  • Veganuary Bundle$4.99
  • Cozy Kitchen Bundle$4.99
  • Crystal Cavern Bundle$4.99
  • Scuba Safari Bundle$4.99
  • Vet Visit Collection Bundle$4.99
  • Jungle Jim Bundle$4.99
  • Kitten Chaos Bundle$4.99
  • Canyon Quest Bundle$4.99
  • Treellionaire Cup Bundle$6.99
  • Golden Leaf Cup Bundle$6.99
  • Medal Mania Bundle$6.99
  • Boosted Energy Bundle$7.99
  • Medium Coin Pile2 variants$9.99
  • Eureka All Access$9.99
  • Adopt both!$9.99
  • Large Coin Pack2 variants$19.99

Questions

Is Brain Explorer free?
Brain Explorer is free to download, with no in-app purchases.
Is Longleaf Valley free?
Longleaf Valley is free to download, with in-app purchases available.
Which has better reviews, Brain Explorer or Longleaf Valley?
Brain Explorer is rated higher. Brain Explorer averages 5.0 out of 5 from 6 ratings, while Longleaf Valley averages 4.7 from 8.2K ratings.
Do Brain Explorer or Longleaf Valley have ads?
Longleaf Valley shows ads; Brain Explorer does not.
Which is updated more often, Brain Explorer or Longleaf Valley?
Brain Explorer ships an update monthly, and Longleaf Valley every 2 weeks. Most recently, Brain Explorer was updated on September 30, 2026 and Longleaf Valley on October 19, 2026.

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