Comparison

Kioku?:Number Memory vs ADHD Brain Train

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

Head to head
About

Kioku?:Number Memory

Features
Read full description

**Simple rules. Memorize the number, then type it back in the same order.** A number appears on screen. Once it hides, tap it back in order on the custom number pad. Every correct answer adds another digit, so it keeps getting tougher. Miss, and you lose a life—run out and the game ends. How many digits can you reach? Quick to play and easy to pick up, Kioku is a number-memory game made for short breaks and chasing a new high score. Perfect for the commute or any spare moment. ■ Features • Pure number span: just memorize, then recall • Gradual ramp-up: starts at a single digit and grows on a gentle curve • Chunking hints: tips for grouping digits to remember them • Tracks your best score and highest level reached • A time bar and limit add just the right tension • Satisfying sound effects and haptics • Clean, dark, focus-friendly design • Multiple languages (English, Japanese, Spanish, Korean) ■ Great if you • Want a quick game for spare moments • Love memorizing numbers and beating your own records • Prefer calm, uncluttered game design How far can your memory—your “Kioku”—go?

About

ADHD Brain Train

Features
Read full description

ADHD Brain Train turns focus practice into rewarding brain games designed for busy minds. Instead of long lessons or overwhelming routines, the app offers short challenges that help you practise attention, working memory, flexible thinking, response control, visual scanning, pattern recognition and everyday problem-solving. Every session is clear, energetic and achievable. Choose an activity, follow the goal, complete the challenge and see your progress immediately. Bright visuals, satisfying animations, supportive sounds and premium haptic feedback make each interaction feel responsive without clutter. WHY ADHD BRAIN TRAIN? Many brain-training apps feel repetitive, complicated or too slow. ADHD Brain Train is built around shorter sessions, visible goals and frequent positive feedback. Activities are easy to understand, quick to begin and varied enough to keep practice interesting. TRAIN IMPORTANT THINKING SKILLS • Focus and selective attention Notice the right detail while ignoring distractions through visual search, matching and target-based games. • Working memory Hold and use information with sequence games, recall challenges and memory puzzles. • Flexible thinking Switch between rules, spot changing patterns and approach challenges in new ways. • Response control Slow down, observe and choose carefully in games that reward accuracy and timing. • Visual processing Practise recognition, comparison, sorting and scanning tasks. • Planning and problem-solving Complete logic challenges that encourage step-by-step thinking and pattern discovery. BUILT FOR SHORT DAILY PRACTICE You do not need a long session to begin. ADHD Brain Train supports quick daily brain training and bite-sized cognitive games that fit into study breaks, work routines or quiet time at home. Use it for: • A focus warm-up before studying • An attention reset between tasks • Memory practice during a break • Daily logic and concentration challenges • Active and purposeful screen time A MORE MOTIVATING EXPERIENCE Animated progress, satisfying completion moments and encouraging feedback celebrate effort. Clear visual structure, large controls and focused layouts make activities easier to follow. Crowded menus and complicated instructions are avoided. TRACK YOUR MOMENTUM Notice completed sessions, consistency and improvement over time. Visible progress encourages you to return for another short challenge without turning the experience into pressure. Unlock focus games, memory and sequence challenges, flexible-thinking activities, logic exercises, visual-scanning games, new challenges, progress insights, premium animations, sounds and haptics, plus a distraction-conscious experience. MADE FOR DIFFERENT KINDS OF MINDS ADHD Brain Train is an enjoyable place for ADHD-friendly brain games, focus games for students, attention-building activities, working-memory exercises, concentration games for adults, executive-function practice and short cognitive workouts. START SMALL. BUILD MOMENTUM. Open ADHD Brain Train, choose an activity and give your mind a focused moment of practice. Train attention, exercise memory, explore patterns and build confidence—one game at a time. ADHD Brain Train is an educational and entertainment app. It does not diagnose, treat, cure or prevent ADHD or any medical condition, and it is not a substitute for professional medical advice, diagnosis or treatment. Premium access is available through an auto-renewable weekly subscription. Payment is charged to your Apple ID after confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in Apple ID settings. Privacy Policy & Support : https://iamspecial.co/adhd-brain-train/ EULA : Terms of Use (EULA): Apple Standard EULA — https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Kioku?:Number Memory2 screens
ADHD Brain Train4 screens

Verdict

The call

Kioku?:Number Memory and ADHD Brain Train are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Kioku?:Number Memory sells 1 one-off in-app purchase and ADHD Brain Train sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Kioku?:Number Memory versus ADHD Brain Train: the parameters behind the verdict, then further details
ParameterKioku?:Number MemoryADHD Brain Train
PriceFreeFree
Update frequencyEvery 2 days—
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better17.6
Further details — not scored
Size7 MB30 MB
Age rating4+4+
DeveloperYuichi HirutaSaurabh Khare

In-app purchases

1 purchases

Kioku?:Number Memory

One-time1
  • Remove Ads$0.99
1 purchases

ADHD Brain Train

Subscriptions1
  • adhd_brain_train_weekly_299$2.997 Days

Questions

Is Kioku?:Number Memory free?
Kioku?:Number Memory is free to download, with in-app purchases available.
Is ADHD Brain Train free?
ADHD Brain Train is free to download, with in-app purchases available.
Do Kioku?:Number Memory or ADHD Brain Train have ads?
Neither Kioku?:Number Memory nor ADHD Brain Train shows ads.

Other comparisons