Comparison

Critical Thinking Concepts vs Meritline

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

Meritline

Read full description

Get Personalized Learning Outcomes for everyone. An in-depth performance analysis, where you can know your strong and weak points, your all India rank, your state rank etc. You will also get a virtual tutor who is completely dedicated to bringing out the best in you. It will prioritize your concepts, chapters, topics, and questions through machine learning. Get this innovative learning experience only on Meritline!!

Screenshots

Critical Thinking Concepts4 screens
Meritline4 screens

Verdict

The call

The clearest difference is update cadence: Critical Thinking Concepts at every 2 months against Meritline's every 11 months. Meritline's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On price, ads and in-app purchases 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 Meritline sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Critical Thinking Concepts ships an update every 2 months, Meritline every 11 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Critical Thinking Concepts versus Meritline: the parameters behind the verdict, then further details
ParameterCritical Thinking ConceptsMeritline
PriceFreeFree
Rating4.7 (37 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings37 — better—
Update frequencyEvery 2 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.5 — better
Further details — not scored
Size35 MB146 MB
Age rating4+4+
DeveloperAnthony HarveyOnline Learning

In-app purchases

2 purchases

Critical Thinking Concepts

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

Meritline

One-time10
  • Package - CD$199.99
  • Package - CH$299.99
  • Package - CI$349.99
Show 7 more
  • Package - CJ$399.99
  • Package - CK$449.99
  • Package - CL$499.99
  • Package - CM$599.99
  • Package - CN$699.99
  • Package - CO$799.99
  • Package - CP$899.99

Questions

Is Critical Thinking Concepts free?
Critical Thinking Concepts is free to download, with in-app purchases available.
Is Meritline free?
Meritline is free to download, with in-app purchases available.
Do Critical Thinking Concepts or Meritline have ads?
Neither Critical Thinking Concepts nor Meritline shows ads.
Which is updated more often, Critical Thinking Concepts or Meritline?
Critical Thinking Concepts ships an update every 2 months, and Meritline every 11 months. Most recently, Critical Thinking Concepts was updated on October 8, 2026 and Meritline on October 5, 2026.

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