Comparison

Kohs Block Design vs Digit Span Backwords Game

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

Head to head
About

Kohs Block Design

Features
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This app makes preparing for block design tests (WISC, IQ, etc.) fun and engaging. By using these block-based games, children can develop pattern-building skills while improving logical thinking, memory, hand coordination, color recognition, and concentration. Two Game Modes: 1. Solo Pattern Mode Designed for individual play, this mode challenges players to recreate patterns using Kohs cubes. A scoring system tracks the top 10 pattern designers. Start with the cubes in a predefined setup (e.g., all red sides facing up). Adjust difficulty by toggling the guiding lines between cubes. You have 60 seconds to complete each pattern. Press "Finish" when done—faster completion earns more points. If time runs out, enter your name if you made it into the top 10 leaderboard. 2. Multiplayer Pattern Mode Perfect for 2 to 6 players, this mode turns pattern-building into a fun competition. All players start with the cubes in the same initial setup. Enter player names; turns follow a set order (1 to 6). Press "Start Round" when the player is ready. If a player fails to complete a pattern in time, they are eliminated. With each round, the time limit decreases by 1 second (starting at 60s). The fastest and most skilled player wins the game! Stay focused—your family or friends might just beat your high score!

About

Digit Span Backwords Game

Features
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Unlock your brain's full potential with Digit Span Backwords, the ultimate cognitive training app designed to boost your working memory, concentration, and focus. Based on the scientifically proven "backward digit span task"—a gold-standard cognitive assessment used by psychologists and neuroscientists worldwide—our game challenges your brain to hear a sequence of numbers and recall them in reverse order. It’s a simple yet highly effective way to stretch your short-term memory and enhance mental agility. ■ WHY TRAIN YOUR WORKING MEMORY? Working memory is the mental workspace you use to hold and manipulate information. A stronger working memory is linked to: • Better focus and distraction resistance • Faster problem-solving and fluid intelligence • Enhanced learning ability and academic performance • Improved daily productivity and cognitive stamina ■ KEY FEATURES • Adaptive Difficulty: Start with a comfortable 3-digit sequence. As you get consecutive answers right, the sequence automatically scales up—all the way to an elite 15 digits! • 10-Question Sessions: Get a quick, high-intensity brain workout anytime, anywhere. Perfect for daily commutes or brief breaks. • Customizable Practice Mode: Train without pressure. Set your starting digits, adjust digit playback speeds, and choose between fixed difficulty or adaptive scaling. • Comprehensive Statistics: Track your cognitive growth over time with interactive charts. Monitor your score trend, accuracy, best span, and leveling progress. • Multi-Language Spoken Audios: Train in multiple languages. Switch both the UI text and audio voiceovers to English, Japanese, German, Spanish, French, Portuguese, Chinese, or Korean. • Speed Multiplier & Combo System: Answer quickly to trigger speed bonuses. Chain correct answers to build combos and maximize your score! • Premium Visuals & Haptics: Enjoy a sleek, modern UI with smooth transitions and satisfying haptic feedback that makes training feel like a premium gaming experience. ■ WHO IS THIS APP FOR? • Students: Retain complex information and perform better on exams. • Professionals: Juggle tasks, remember details, and stay highly productive. • Seniors: Combat cognitive decline and keep your mind vibrant. • Gamers: Enhance split-second decision-making and awareness. ■ THE SCIENCE BEHIND THE TRAINING Thanks to neuroplasticity, your brain is incredibly adaptable. By practicing the backward digit span task, you directly stimulate the prefrontal cortex—the brain region responsible for executive functions. Just like a muscle, your brain needs regular workouts to grow stronger. Our adaptive algorithm keeps you at the edge of your limits, the exact "sweet spot" needed to trigger real neurological growth. ■ PRIVACY-FIRST & OFFLINE PLAY Digit Span Backwords works completely offline, making it perfect for flights or commutes. All performance stats are stored securely on your device, keeping your data private. Commit just 5 minutes a day to your mental fitness journey! ■ HOW IT WORKS 1. Listen carefully to a sequence of numbers spoken aloud. 2. Recall the numbers and enter them in reverse order using the on-screen keypad. 3. If you hear "3 - 7 - 1", you type "1 - 7 - 3". 4. Correct answers increase the difficulty, while incorrect ones bring it back down to keep you in the optimal learning zone. Whether you want to keep your mind sharp as you age, boost your focus, or study for a cognitive test, Digit Span Backwords is your daily companion for mental fitness. Download now and start testing your brain's limits! Author: Takeuchi, H., et al. (2010) Title: Training of working memory impacts structural connectivity Content: This MRI study proves that consistent working memory training physically strengthens structural connectivity in the brain's prefrontal and parietal networks. It provides strong evidence of neuroplasticity, showing how training optimizes neural circuits.

Screenshots

Kohs Block Design4 screens
Digit Span Backwords Game2 screens

Verdict

The call

The clearest difference is ads: Kohs Block Design at none against Digit Span Backwords Game's shown. On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 4 level
Kohs Block Design versus Digit Span Backwords Game: the parameters behind the verdict, then further details
ParameterKohs Block DesignDigit Span Backwords Game
PriceFreeFree
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size3 MB65 MB
Age rating4+4+
Developer3D3 Store LLCMINERVA K.K.

In-app purchases

None

Kohs Block Design

No in-app purchases

None

Digit Span Backwords Game

No in-app purchases

Questions

Is Kohs Block Design free?
Kohs Block Design is free to download, with no in-app purchases.
Is Digit Span Backwords Game free?
Digit Span Backwords Game is free to download, with no in-app purchases.
Do Kohs Block Design or Digit Span Backwords Game have ads?
Digit Span Backwords Game shows ads; Kohs Block Design does not.

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