Comparison

Critical Thinking Concepts vs Glisn

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

Head to head
About

Critical Thinking Concepts

This app is an interactive study companion that teaches core concepts, methods, and terminology of critical thinking. It helps users develop analytical and reasoning skills for navigating complex issues effectively. Features include Q&A, swipe cards, a visual feed, audio playback, and study statistics.

Highlights
  • Question & Answer format
  • Swipe card learning
  • Visual learning feed
  • Audio player for lessons
  • Study statistics tracking
  • Offline usability
Features
Read full description

Think sharper. Argue better. Get fooled less. Critical Thinking Concepts turns the science of clear reasoning into bite-size learning points you can absorb in spare moments — in line, on a walk, or on your commute. No lectures, no fluff. Just 190+ carefully written concepts that compound into a sharper mind. LEARN THE SKILLS THAT MATTER • Logical fallacies — spot the strawman, ad hominem, and dozens more • Cognitive biases — catch the Dunning-Kruger effect, groupthink, and the backfire effect in the wild (including your own head) • Mental models and first-principles thinking • Argument analysis, rhetorical devices, and persuasive techniques • Problem-solving methods, decision-making, and the scientific method FOUR WAYS TO LEARN • Feed — scroll a clean stream of learning points with images. Search, sort by topic, favorite, bookmark, or discard what you already know. • Questions — flashcards that quiz you. Tap to reveal the answer, then mark it right or wrong to track what's sticking. • Audio — a hands-free player that reads facts or quiz questions aloud. Drive Mode makes your commute a classroom. • Lightning — rapid-fire, full-screen concepts. Swipe right to see something more often, left to see it less. The app learns what you need to review. MADE TO BUILD A HABIT • Set a daily minutes goal and watch your progress • Home screen widget puts a learning point on your lock-in loop • Your ratings tune what shows up next, so review time goes where it helps Whether you're a student, a professional who argues for a living, or just tired of being talked past — a few minutes a day here changes how you think. All Access unlocks every learning point and the full audio player, via monthly or annual subscription (auto-renews until canceled; manage in your App Store account). Download Critical Thinking Concepts and start thinking for yourself — rigorously. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://anthonyharveyapps.com/privacy-policy-critical-thinking-concepts

About

Glisn

Enhance your focus, memory, and English listening abilities with interactive scenarios. Practice real-world conversations, academic lectures, and comprehension challenges to improve your retention and stamina in just 5 minutes daily.

Highlights
  • Real-world English listening videos and audio
  • Academic-style comprehension practice
  • Focus and retention challenges
  • Adaptable to professional and language learning goals
  • Daily 5-minute training sessions
Features
Read full description

Train your focus, memory, and real-world English listening skills with Glisn Whether you're sharpening your mind for work, study, or everyday conversations, Glisn helps you stay focused and retain what you hear. Glisn listening scenarios include: - Real-World English Listening Videos and Audio – Train with natural conversations across accents. - Academic-Style Comprehension – Practice for lectures, interviews, and more. - Focus & Retention Challenges – Build listening stamina and memory accuracy. From professional development and active-listening training to English language learning, Glisn adapts to your goals—5 minutes a day is all it takes.

Screenshots

Critical Thinking Concepts4 screens
Glisn4 screens

Verdict

The call

The clearest difference is review sentiment: Critical Thinking Concepts at 100% against Glisn's 60%. Critical Thinking Concepts also leads on rating (4.7 vs 4.2) and ads (none vs shown). Glisn's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (16.4 vs 18.0). On price, in-app purchases, monetization model 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. Critical Thinking Concepts sells 2 in-app purchases, starting at $3.99 per month and Glisn sells 15 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Critical Thinking Concepts holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 37 and 11 respectively. Written reviews point the same way: 100% of Critical Thinking Concepts's written reviews are positive against 60% of Glisn's.

UpkeepUpdate frequency

Critical Thinking Concepts ships an update every 2 months, Glisn every 3 weeks. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Critical Thinking Concepts versus Glisn: the parameters behind the verdict, then further details
ParameterCritical Thinking ConceptsGlisn
PriceFreeFree
Rating4.7 (37 ratings) — better4.2 (11 ratings)
Positive reviews100.0% of reviews — better60.0% of reviews
Number of ratings37 — better11
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.016.4 — better
Further details — not scored
Size35 MB92 MB
Age rating4+12+
DeveloperAnthony HarveyEminence Digital LLC

Customer experience

Critical Thinking Concepts

All ratings37 ratings
Positive91.9%
Neutral0.0%
Negative8.1%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Glisn

All ratings11 ratings
Positive72.7%
Neutral9.1%
Negative18.2%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

In-app purchases

2 purchases

Critical Thinking Concepts

Subscriptions2
  • All Access Monthly$3.991 Month
  • All Access Annual$7.991 Year
15 purchases

Glisn

Subscriptions10
  • Weekly$2.997 Days
  • Weekly3 Days trial$2.997 Days
  • Monthly14 Days trial$9.991 Month
Show 7 more
  • Monthly$9.991 Month
  • Monthly Access - Creators Pro$14.991 Month
  • Monthly Access - Leadership Pro$19.991 Month
  • Yearly14 Days trial$79.991 Year
  • Yearly$79.991 Year
  • Yearly Access - Creators Pro$89.991 Year
  • Yearly Access - Leadership Pro$149.001 Year
One-time5
  • Glisn Courses: Tier 10$9.99
  • Glisn Courses: Tier 20$19.99
  • Glisn Courses: Tier 50$49.99
Show 2 more
  • Glisn Courses: Tier 80$79.99
  • Glisn Courses: Tier 100$99.99

Questions

Is Critical Thinking Concepts free?
Critical Thinking Concepts is free to download, with in-app purchases available.
Is Glisn free?
Glisn is free to download, with in-app purchases available.
Which has better reviews, Critical Thinking Concepts or Glisn?
Critical Thinking Concepts is rated higher. Critical Thinking Concepts averages 4.7 out of 5 from 37 ratings, while Glisn averages 4.2 from 11 ratings.
Do Critical Thinking Concepts or Glisn have ads?
Glisn shows ads; Critical Thinking Concepts does not.
Which is updated more often, Critical Thinking Concepts or Glisn?
Critical Thinking Concepts ships an update every 2 months, and Glisn every 3 weeks. Most recently, Critical Thinking Concepts was updated on September 26, 2026 and Glisn on September 24, 2026.

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