Comparison

Psychology vs MathLens

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

Head to head
About

Psychology

Explore the science of human behavior, including body language and microexpressions. Learn to interpret non-verbal cues, understand psychological insights, and test your knowledge with interactive exercises. Enhance your social skills and gain a deeper understanding of people.

Highlights
  • Decoding body language
  • Master microexpressions
  • Psychological insights
  • Interactive quizzes
  • Real-world application
Features
Read full description

Uncover the hidden truths with the ultimate guide to psychology, body language, and microexpressions! Ever wondered what someone’s smile is really saying? Or how to read the subtle signs of deception? With this app, you’ll dive deep into the fascinating world of psychology and body language to uncover the hidden emotions people don’t say aloud. Key Features: - Decoding Body Language: Learn to interpret gestures, postures, and subtle movements that reveal a person’s true feelings. - Master Microexpressions: Gain insight into fleeting facial expressions that expose genuine emotions in just seconds. - Psychological Insights: Discover the mental strategies that influence human behaviour and decision-making. - Interactive Quizzes & Exercises: Put your new knowledge to the test with fun and engaging challenges to sharpen your skills. Whether you’re a student of psychology, a professional in communication, or just someone curious about understanding people better, this app provides all the tools you need. Elevate your social interactions, spot lies, and read people like a book! Why Install This App? - Instantly Applicable Knowledge: The tips and techniques you learn can be applied immediately in real-world conversations. - Fun and Engaging: Interactive content that makes learning enjoyable and practical. - For Everyone: No prior knowledge required. Whether you’re a beginner or an expert, there’s something valuable for you. Unlock the power of non-verbal communication – download the app today and start reading between the lines!

About

MathLens

Features
Read full description

Stuck on problem 7 again? Point your camera at it. MathLens reads any math problem from a photo — handwritten or printed — and solves it step by step: not just the answer, but every move explained like a patient tutor would. EVERY STEP, EXPLAINED Each solution is broken into clear, expandable steps: what to do, why, and the actual math. Algebra, geometry, trigonometry, calculus, statistics and physics. TUNED TO YOU Tell MathLens your level — middle school to college — and explanations match how you're taught. YOUR SOLVED LIBRARY Every problem is saved. Review the full walkthrough the night before the exam. MathLens is a study aid: use it to understand, not to skip understanding. Solutions are AI-generated — always check against your course method. ——— Privacy Policy: https://mathlens-ai-app.web.app/privacy Terms of Use (EULA): https://mathlens-ai-app.web.app/terms Support: https://mathlens-ai-app.web.app/support

Screenshots

Psychology4 screens
MathLens3 screens

Verdict

The call

The clearest difference is ads: MathLens at none against Psychology's shown. MathLens also leads on iOS requirement (13.0 vs 16.0). On price, 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

Both are free to download. Psychology sells 5 in-app purchases, starting at $2.99 per 7 days and MathLens sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Psychology versus MathLens: the parameters behind the verdict, then further details
ParameterPsychologyMathLens
PriceFreeFree
Rating4.5 (579 ratings) — better—
Positive reviews56.2% of reviews—
Number of ratings579 — better—
Update frequencyEvery 2 weeks—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size55 MB49 MB
Age rating4+4+
DeveloperYurii Kriuchkovilyas inajjar

Bugs and requests

Psychology

Reported bugs

5 issues
  • Video paywall system doesn't work properly
  • Text layout issues - explanations cut off on right side
  • Incomplete language localization (missing Italian translations)
  • Poor translation quality causing comprehension issues
  • App optimization issues with newer devices

Requested features

10 requests
  • Add more body language gestures and modules
  • Include micro-expressions content
  • Expand with interactive features (photo emotion recognition)
  • Add content on deception from biological perspective
  • Include polygraph/lie detection information
Show 5 more
  • Improve text layout and readability
  • Optimize for newer phone models (iPhone X+)
  • Add citations and scientific references
  • Increase frequency of content updates
  • Improve premium version value proposition

MathLens

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Psychology

Subscriptions4
  • Weekly plan$2.997 Days
  • Monthly Plan$4.991 Month
  • Annual Plan$14.991 Year
Show 1 more
  • Annual Plan1 Year trial$14.991 Year
One-time1
  • Premium$2.99
2 purchases

MathLens

Subscriptions2
  • MathLens Premium Weekly$9.997 Days
  • MathLens Premium Yearly3 Days trial$39.991 Year

Questions

Is Psychology free?
Psychology is free to download, with in-app purchases available.
Is MathLens free?
MathLens is free to download, with in-app purchases available.
Do Psychology or MathLens have ads?
Psychology shows ads; MathLens does not.

Other comparisons