Comparison

Block Logic vs knotecards

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

Head to head
About

Block Logic

This app offers daily brain training exercises to enhance memory and concentration. It features 20 progressive difficulty levels to challenge your cognitive skills and improve mental agility through short, relaxing gameplay sessions.

Highlights
  • Memory and concentration improvement
  • Daily brain training sessions
  • 20 progressive difficulty levels
  • Track progress and beat records
  • Simple rules, challenging patterns
Features
Read full description

Block Logic: Brain Training IQ is a daily brain training game designed to improve your memory and concentration. Memorize patterns, focus your attention, and challenge your brain through 20 progressive difficulty levels. Each level pushes your memory a bit further, helping you build a stronger and faster mind over time. Just a few minutes a day is enough to train your brain. Playing daily helps improve memory skills, mental focus, and cognitive agility — all through a simple and relaxing gameplay experience. Why play Block Logic every day? • Improve memory and concentration • Train your brain with short daily sessions • 20 difficulty levels that adapt to your progress • Simple rules, challenging patterns • Track your progress and beat your own records Consistency is the key. The more you play, the better your memory becomes. Train your brain. Improve every day.

About

knotecards

Prepare for your Private Pilot Checkride with flashcards created by Certified Flight Instructors. This study tool covers ACS standards and includes sources for accurate information. Organize cards by knowledge level for efficient learning.

Highlights
  • Flashcards designed by CFIs
  • Covers ACS Standards
  • Includes sources for accuracy
  • Systematic and weighted card viewing
  • Covers 141 curriculum areas
Features
Read full description

Study for your Private Pilot Checkride with Knotecards! Flashcards designed by CFIs to ACS Standards. Knotecards is a study tool for your Private Pilot Certificate made by Certified Flight Instructors. Each flashcard includes sources, so you can be sure the information you’re memorizing is accurate, and read more deeply for further understanding. The database of flashcards can be viewed systematically, or weighted based on whether you’ve marked each card as known or unknown. The content is designed based off of the ACS and 141 curriculum to ensure each potential area of the Private Pilot oral exam is covered. With years of flying experience from experts built into Knotecards, you can be sure you’re thoroughly prepared for the private pilot check ride.

Screenshots

Block Logic4 screens
knotecards4 screens

Verdict

The call

The clearest difference is price: Block Logic at Free against knotecards's $3.99. Block Logic also leads on ratings volume (57 vs 3) and iOS requirement (15.1 vs 17.6). knotecards's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 19 months). On 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

Block Logic is free to download; knotecards costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

knotecards holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Block Logic has 57 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 86% of Block Logic's written reviews are positive against 100% of knotecards's.

UpkeepUpdate frequency

Block Logic ships an update every 19 months, knotecards every 6 weeks. Both last shipped on October 24, 2026.

Scorecard8 real differences · 2 level
Block Logic versus knotecards: the parameters behind the verdict, then further details
ParameterBlock Logicknotecards
PriceFree — better$3.99
Rating4.4 (57 ratings)4.7 (3 ratings) — better
Positive reviews85.7% of reviews100.0% of reviews — better
Number of ratings57 — better3
Update frequencyEvery 19 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size26 MB1 MB
Age rating4+12+
DeveloperJavier Campanaaltymytry

Customer experience

Block Logic

All ratings55 ratings
Positive90.9%
Neutral5.5%
Negative3.6%
Written reviews28 reviews
Positive85.7%
Neutral10.7%
Negative3.6%

knotecards

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Block Logic

No in-app purchases

None

knotecards

No in-app purchases

Questions

Is Block Logic free?
Block Logic is free to download, with no in-app purchases.
Is knotecards free?
knotecards costs $3.99, with no in-app purchases.
Which has better reviews, Block Logic or knotecards?
knotecards is rated higher. Block Logic averages 4.4 out of 5 from 57 ratings, while knotecards averages 4.7 from 3 ratings.
Do Block Logic or knotecards have ads?
Block Logic shows ads; knotecards does not.
Which is updated more often, Block Logic or knotecards?
Block Logic ships an update every 19 months, and knotecards every 6 weeks. Most recently, Block Logic was updated on October 24, 2026 and knotecards on October 24, 2026.

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