Comparison

Hours Time Manager vs NBack³

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

Head to head
About

Hours Time Manager

Features
Read full description

Hours is a study motivation app optimized for the rigorous Japanese exam industry. It's more than a simple Pomodoro timer — it helps you visualize your study habits, connect with others' efforts, and stay motivated. Use the study timer to precisely record how long you spend on each subject and clearly see your study patterns. The shared timeline displays in real time how others with similar goals are studying, inspiring you without the need for chat or direct communication. Our analysis tools graph how your time is allocated across subjects and periods, guiding you in creating effective study plans based on your own progress. The interface is intuitive and beautiful so you can concentrate on studying without distractions. The supportive community encourages you to keep going at your own pace, feeling the positive energy of others rather than unhealthy comparisons. Because everyone is working hard, you can too. Build your study habits with Hours and take a step closer to your goals.

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
Read full description

■ 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

Hours Time Manager4 screens
NBack³3 screens

Verdict

The call

The clearest difference is update cadence: NBack³ at every 4 days against Hours Time Manager's every 2 weeks. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hours Time Manager sells 2 in-app purchases, starting at $1.99 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

Hours Time Manager ships an update every 2 weeks, NBack³ every 4 days. The most recent releases landed on September 9, 2026 and August 14, 2026 respectively.

Scorecard1 real difference · 7 level
Hours Time Manager versus NBack³: the parameters behind the verdict, then further details
ParameterHours Time ManagerNBack³
PriceFreeFree
Positive reviews—71.4% of reviews
Update frequencyEvery 2 weeksEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size192 MB20 MB
Age rating4+4+
DeveloperQOOQ inc.Taiki Nishimura

In-app purchases

2 purchases

Hours Time Manager

Subscriptions2
  • Monthly Subscription$1.991 Month
  • プレミアム会員年間サブスクリプション(16%お得)$19.991 Year
1 purchases

NBack³

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

Questions

Is Hours Time Manager free?
Hours Time Manager is free to download, with in-app purchases available.
Is NBack³ free?
NBack³ is free to download, with in-app purchases available.
Do Hours Time Manager or NBack³ have ads?
Both Hours Time Manager and NBack³ show ads.
Which is updated more often, Hours Time Manager or NBack³?
Hours Time Manager ships an update every 2 weeks, and NBack³ every 4 days. Most recently, Hours Time Manager was updated on September 9, 2026 and NBack³ on August 14, 2026.

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