Comparison

Brain Forest vs NBack³

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

Head to head
About

Brain Forest

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Train your focus in a calm forest of cute animals. Brain Forest is a quick brain-training game: watch the animals, remember their order, then tap them back in the same sequence. Each level gets a little harder, so it is easy to start and satisfying to improve. Choose Beginner, Intermediate, or Advanced stages, check your best records, and keep a daily streak. Short sessions fit into a break, commute, or evening routine. You can also set daily reminders. Premium removes ads and unlocks unlimited hints and revives for smoother training. Terms of Use https://noutorenomori-33876.web.app/en/terms.html?lang=en Privacy Policy https://noutorenomori-33876.web.app/en/privacy.html?lang=en

About

NBack³

This brain training app uses the scientifically proven Dual N-Back method to enhance cognitive functions like working memory, focus, and decision-making. It offers adjustable difficulty levels and tracks progress with a visually engaging interface.

Highlights
  • Dual N-Back method
  • Adjustable difficulty (n=1-5)
  • Enhances working memory
  • Improves inhibitory control
  • Develops attention skills
  • Progress tracking
  • Streak bonus system
Features
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■ NBack³: The Scientifically Proven Brain Training Game ■ "My memory isn't what it used to be..." "I can't seem to stay focused..." "I want to sharpen my split-second decision-making..." If these sound familiar, NBack³ is the ultimate brain training app designed just for you. ◆ The Ultimate Workout for Your Working Memory ◆ Based on "Dual N-Back" research—a method scientifically proven to enhance cognitive function—NBack³ takes brain training to the next level. Working memory is your brain's ability to temporarily hold and process information. It is the vital foundation for memory, focus, and logical reasoning. ◆ Simple to Play ◆ Memorize the Position, Color, and Character shown on a 3×3 grid. Identify if the current tile matches the one shown "n-steps" ago. Fully adjustable difficulty levels from n=1 to n=5. ◆ 5 Cognitive Functions You’ll Sharpen ◆ Working Memory: Enhance your "mental scratchpad." Inhibitory Control: Filter out distractions and irrelevant info. Selective & Divided Attention: Focus on multiple streams of data simultaneously. Visuospatial Cognition: Recognize spatial relationships with precision. Multitasking Decisiveness: Handle multiple tasks with ease. ◆ Key Features of NBack³ ◆ Stunning Neon UI: A beautiful, modern design for an immersive experience. Dynamic Difficulty: Adjustable n-levels (1–5) to match your progress. Streak Bonus System: Stay sharp and rack up consecutive correct answers. Intuitive Controls: Smooth and responsive gameplay. Quick Sessions: 20-turn sets allow for efficient training in minutes. Progress Tracking: Keep motivated by tracking your scores. Smart Reminders: Daily notifications to keep your streak alive. Personal Bests: Record your highest scores for each N-level. ◆ Perfect For... ◆ Students aiming to boost memory and learning. Professionals looking to improve workplace productivity. Health-conscious individuals interested in brain longevity. Seniors working to prevent cognitive decline. Gamers who love a mental challenge. ◆ The Science ◆ N-back training has been widely reported in research to improve fluid intelligence and cognitive performance. By processing position, color, and character simultaneously, NBack³ delivers a "Triple N-Back" challenge that provides a higher cognitive load for more effective results. ◆ Consistency is Key ◆ Brain training works best when it's a habit. NBack³ is designed to be completed in just a few minutes, making it perfect for your commute or a quick break. Sharpen your mind with the scientifically-backed power of NBack³! Terms of Use: https://planet-firewall-419.notion.site/25d6c3f9d1f680b29d72e5cef4be6fbf Privacy Policy: https://www.notion.so/NBack-1f06c3f9d1f6807aa983c83530910b0d Subscription Details: Premium Plan: 120 JPY / month (tax incl.) Auto-Renewal: Can be canceled up to 24 hours before the period ends. Management: App Store Settings > Subscriptions

Screenshots

Brain Forest3 screens
NBack³3 screens

Verdict

The call

The clearest difference is iOS requirement: Brain Forest at 12.0 against NBack³'s 17.0. On price, update cadence, ads and in-app purchases 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. Brain Forest sells 2 in-app purchases, starting at $3.00 per month and NBack³ sells 1 in-app purchase, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Brain Forest ships an update weekly, NBack³ every 4 days. The most recent releases landed on September 12, 2026 and August 14, 2026 respectively.

Scorecard1 real difference · 7 level
Brain Forest versus NBack³: the parameters behind the verdict, then further details
ParameterBrain ForestNBack³
PriceFreeFree
Positive reviews—71.4% of reviews
Update frequencyWeeklyEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size57 MB20 MB
Age rating4+4+
DeveloperSHOGO YOSHIDATaiki Nishimura

In-app purchases

2 purchases

Brain Forest

Subscriptions2
  • Brain Forest Premium (Monthly)$3.001 Month
  • Brain Forest Premium (Annual)$18.001 Year
1 purchases

NBack³

Subscriptions1
  • プレミアムプラン$0.491 Month

Questions

Is Brain Forest free?
Brain Forest is free to download, with in-app purchases available.
Is NBack³ free?
NBack³ is free to download, with in-app purchases available.
Do Brain Forest or NBack³ have ads?
Both Brain Forest and NBack³ show ads.
Which is updated more often, Brain Forest or NBack³?
Brain Forest ships an update weekly, and NBack³ every 4 days. Most recently, Brain Forest was updated on September 12, 2026 and NBack³ on August 14, 2026.

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