Comparison

XStudy vs Inkulus

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

Head to head
About

XStudy

This AI-powered academic mentor helps students learn faster and research smarter with over 30 advanced tools. It offers personalized support, essay assistance, language translation, and problem-solving capabilities, all while promoting academic integrity.

Highlights
  • Adaptive Learning Engine for personalized support
  • Source-Finder for research papers
  • Smart Writing Suite for essays
  • Line-by-Line Translator (100+ languages)
  • AI Photo Solver for math problems
  • Curriculum-aligned and hallucination-resistant content
Features
Read full description

XStudy – All-in-One AI Mentor Learn faster, research smarter, your all-in-one AI mentor is here. XStudy AI is your personal academic powerhouse—an all-in-one AI super app that helps you learn faster, research smarter, while staying academically honest. Powered by our Adaptive Learning Engine (ALE), XStudy continuously learns from your study patterns and needs to deliver ever-more personalized support, just like a mentor who gets better over time. From solving tough problems to sourcing citations and analyzing language, we’ve got every part of your academic life covered with 30+ advanced AI tools. Why Choose XStudy? • Truly Personalized with ALE – Unlike static tools or tutors, XStudy adapts to how you learn, improving the precision and relevance of responses over time. • Source-Finder for Essays – Find real, citable sources and quotes for research papers in minutes—not hours. • Smart Writing Suite – Outline ideas, enhance paragraphs, and polish arguments while staying in your own voice. • Language Tools Built Different – Translate any text with context using our Line-by-Line Translator (100+ languages), or break down tricky vocabulary in Latin, Spanish, and French. • Curriculum-Aligned. Hallucination-Resistant. – Every feature is built for the classroom, with citation-ready and source-traceable content. • Built for Real Academic Integrity – With tools to support honest learning and prevent misuse, you can learn better—without cutting corners. Subjects We Cover • Literature – Quote Finder, Essay Tools, Outline Generation • Mathematics – All levels from Pre-Algebra to Calculus • Languages – English, Spanish, French, Latin, and 100+ languages • Social Sciences – History, Philosophy, Government, and more • Biology, Physics, Chemistry – With full Q&A and writing support • Economics – Graph support, definitions, FRQ help Tools You’ll Love • Literature Paper Quote Finder • Research Paper Quote + Source Finder • Vocabulary Analyzer (Latin/Spanish/French) • Line-by-Line Translator (Supports 100+ languages) • AI Photo Solver for handwritten or printed problems Smarter Learning, Smarter Pricing Unlock all features for FREE. When you’re ready to upgrade, the full version starts at just $6.99/month—up to 70% cheaper than competitors, with 50x more tools across all subjects. XStudy Unlimited Features • Unlimited explanations & access • Priority access to upcoming advanced features • Completely ad-free experience • Priority user support Stay Connected Website: www.xstudyai.com TikTok: @xstudy.ai Instagram + Threads: @xstudyai_official Facebook: @XStudy AI X (Twitter): @XstudyAI YouTube: @XStudy-Official XStudy – Learn faster, research smarter, your all-in-one AI mentor is here. Download now and take your study game to the next level. EULA: https://www.xstudyai.com/term-of-use.html

About

Inkulus

This app makes learning calculus engaging and effective through interactive tutorials, competitive gameplay, and real-time feedback. It allows users to actively solve problems, track progress, and develop a deeper understanding of mathematical concepts.

Highlights
  • Interactive calculus tutorials
  • Multiple game modes
  • 1v1 math battles
  • XP progression and statistics
  • Drawing canvas for touch/Apple Pencil
  • Active learning approach
Features
Read full description

Inkulus – Learn Calculus the Interactive Way Inkulus is designed to make learning calculus more engaging, intuitive, and effective. By combining structured tutorials, competitive gameplay, and real-time feedback, Inkulus helps students move beyond memorization and develop a deeper understanding of mathematical concepts. Instead of studying passively, you actively solve problems, track your progress, and challenge yourself in a dynamic learning environment. Whether you are preparing for exams or strengthening your mathematical foundation, Inkulus turns calculus practice into an interactive experience. Learn by Doing Inkulus provides step-by-step tutorials that guide you through key calculus topics. Each lesson focuses on understanding the underlying concepts while giving you practical exercises to apply what you learn. Challenge Yourself Practice your skills across different game modes designed to test both accuracy and speed. For an extra challenge, compete in 1-on-1 math battles where you solve problems head-to-head with other learners. Track Your Progress Stay motivated with detailed gameplay statistics and an XP-based progression system. Monitor your improvement, identify areas to work on, and build confidence as you advance. Solve Naturally With a built-in drawing canvas that supports touch and Apple Pencil, you can write and solve problems just like on paper. This makes it easier to visualize calculations and work through complex problems step by step. Key Features • Interactive tutorials covering core calculus concepts • Multiple game modes for practice and competition • Real-time 1v1 math battles • XP progression and performance statistics • Advanced drawing canvas with touch and Apple Pencil support • Designed for students who want to learn actively Inkulus brings together education, competition, and gamification to create a new way of mastering calculus. Learn. Compete. Improve. Terms of Use: https://inkulus.com/#terms-of-service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inkulus.com/#privacy-policy

Screenshots

XStudy4 screens
Inkulus4 screens

Verdict

The call

The clearest difference is review sentiment: XStudy at 83% against Inkulus's 0%. XStudy also leads on rating (4.1 vs 3.0) and update cadence (every 3 days vs monthly). On price, ads, in-app purchases and monetization model 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. XStudy sells 10 in-app purchases, starting at $0.99 per month and Inkulus sells 3 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

XStudy holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: XStudy has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of XStudy's written reviews are positive against 0% of Inkulus's.

UpkeepUpdate frequency

XStudy ships an update every 3 days, Inkulus monthly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
XStudy versus Inkulus: the parameters behind the verdict, then further details
ParameterXStudyInkulus
PriceFreeFree
Rating4.1 (14 ratings) — better3.0 (1 ratings)
Positive reviews83.3% of reviews — better0.0% of reviews
Number of ratings14 — better1
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better26
Further details — not scored
Size34 MB4 MB
Age rating4+4+
DeveloperXStudy AI Inc.Teksum Development

Customer experience

XStudy

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews12 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Inkulus

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

10 purchases

XStudy

Subscriptions7
  • limited plan3 Days trial$0.991 Month
  • Monthly Unlimited$1.991 Month
  • Monthly Limited Plan$6.991 Month
Show 4 more
  • Monthly Unlimited Plan$11.491 Month
  • Quarterly Unlimited Plan$36.993 Months
  • Annually Limited Plan$99.991 Year
  • Annually Unlimited Plan$119.991 Year
One-time3
  • 300 Diamonds$9.99
  • 600 Diamonds$19.99
  • 1000 Diamonds$29.99
3 purchases

Inkulus

Subscriptions3
  • Inkulus Pro Weekly$2.997 Days
  • Inkulus Pro Monthly$7.991 Month
  • Inkulus Pro Yearly$69.991 Year

Questions

Is XStudy free?
XStudy is free to download, with in-app purchases available.
Is Inkulus free?
Inkulus is free to download, with in-app purchases available.
Which has better reviews, XStudy or Inkulus?
XStudy is rated higher. XStudy averages 4.1 out of 5 from 14 ratings, while Inkulus averages 3.0 from 1 ratings.
Do XStudy or Inkulus have ads?
Neither XStudy nor Inkulus shows ads.
Which is updated more often, XStudy or Inkulus?
XStudy ships an update every 3 days, and Inkulus monthly. Most recently, XStudy was updated on November 4, 2026 and Inkulus on November 5, 2026.

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