Comparison

Feynman WTF vs Calculus Path

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

Head to head
About

Feynman WTF

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Finding great research shouldn’t feel like digging through an academic jungle. Feynman makes discovering cutting-edge science as easy as scrolling social media—minus the doomscrolling. Our app brings you daily research papers from arXiv, each one summarized in just 60 words. No jargon. No fluff. Just the key insights, delivered in a feed that respects your time and fuels your curiosity. Whether you're a student, researcher, or just a curious mind, Feynman helps you: Explore smarter: Browse papers across AI, physics, math, and more—handpicked and summarized by AI. Save time: Cut through academic clutter. Every summary is bite-sized and to the point. Stay sharp: Swap endless scrolling with daily doses of insight. Bookmark & personalize: Save your favorites and tailor your feed to topics you love. Built for the mobile generation. Backed by real research. Inspired by Feynman's love of clarity and curiosity. Join the club. Scroll smarter. Think deeper. Feynman is your shortcut to the best minds on arXiv—compressed for your brain. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.termsfeed.com/live/0ece6d3b-97bb-403c-a992-0ca298425796

About

Calculus Path

Features
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Build genuine differentiation fluency through short, focused practice sessions. Calculus Path turns derivative practice into a clear learning journey. Progress through 22 structured lessons covering core derivative rules, combined techniques, advanced methods and applications. Every session helps you practise efficiently, understand your mistakes and decide what to work on next. KEY FEATURES • Progress through multiple carefully structured differentiation lessons • Practise with fresh question variations • Receive immediate feedback after every answer • Discover the misconception behind each mistake • Strengthen weak skills with targeted repair questions • Unlock new lessons by demonstrating mastery • Build XP and maintain a daily learning streak • Revisit difficult concepts through a focused review queue • Keep your learning progress stored on your device • Set optional daily practice reminders • Continue practising without an internet connection TOPICS INCLUDE • Constant, power, exponential and logarithmic derivatives • Trigonometric differentiation • Product, quotient and chain rules • Implicit differentiation • Tangents, normals and stationary points Calculus Path is designed for secondary-school, pre-university and introductory university students who want more than an answer calculator. Instead of simply showing an answer, it helps you recognise methods, diagnose mistakes and develop lasting calculus skills. Start your path and make differentiation practice part of your day! Future versions/updates with other calculus skills will be developed.

Screenshots

Feynman WTF4 screens
Calculus Path3 screens

Verdict

The call

The clearest difference is in-app purchases: Calculus Path at none against Feynman WTF's 2. Calculus Path also leads on update cadence (daily vs weekly). On price, ads, 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. Feynman WTF sells 2 in-app purchases, starting at $10.00 per month. Calculus Path asks for nothing beyond the download.

UpkeepUpdate frequency

Feynman WTF ships an update weekly, Calculus Path daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Feynman WTF versus Calculus Path: the parameters behind the verdict, then further details
ParameterFeynman WTFCalculus Path
PriceFreeFree
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size37 MB6 MB
Age rating4+4+
DeveloperVrushal KapadnisAlaric Pow Ian-Jun

In-app purchases

2 purchases

Feynman WTF

Subscriptions2
  • Pro Monthly$10.001 Month
  • Pro Yearly$99.991 Year
None

Calculus Path

No in-app purchases

Questions

Is Feynman WTF free?
Feynman WTF is free to download, with in-app purchases available.
Is Calculus Path free?
Calculus Path is free to download, with no in-app purchases.
Do Feynman WTF or Calculus Path have ads?
Neither Feynman WTF nor Calculus Path shows ads.
Which is updated more often, Feynman WTF or Calculus Path?
Feynman WTF ships an update weekly, and Calculus Path daily. Most recently, Feynman WTF was updated on November 5, 2026 and Calculus Path on October 31, 2026.

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