Comparison

Notelyn vs Unseen X

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

Head to head
About

Notelyn

Transform lectures and imported content into organized notes, flashcards, and summaries. Features include AI-powered transcription, question generation with citations, and spaced repetition for effective learning. Supports various import formats and cross-device synchronization.

Highlights
  • AI transcription and summarization
  • Flashcard and quiz generation
  • Spaced repetition learning
  • Speaker separation and language detection
  • Import audio, video, PDFs, and web links
  • Mind map creation
  • Cross-device cloud sync
Features
Read full description

Record or import anything. Get clean notes, instant summaries, and exam-ready flashcards—plus quizzes and spaced repetition that make learning stick. Why NoteLyn AI • From recordings or PDFs to flashcards in minutes • Mind Maps and cited Q&A to deepen understanding • Speaker separation & language detection for classes and meetings • Batch imports and link-to-text (YouTube, webpages) Capture anything • One-tap Voice Recorder with real-time transcription preview • Upload audio/video (MP3, WAV, M4A) and YouTube/web links • PDF & Docs import with smart outline detection • OCR Camera for textbooks, whiteboards & handwriting • Batch processing, language detection and speaker diarization AI note engine • Clean summaries with headings, bullets & highlights • Ask questions about your notes; get timestamp/page-cited answers • Mind Maps to visualize concepts and export as images Master & remember • Ready-made flashcards with progress tracking • Quizzes (MCQ, cloze, true/false) with instant feedback • Spaced repetition review plan that’s science-backed Also handy • Global search, tags & folders • Audio playback speed control • Text-to-speech in 30+ languages • Export as PDF, Markdown, CSV and more • Cross-device cloud sync Perfect for • Students: record lectures → exam-ready decks • Professionals: capture meetings → action items & summaries • Self-learners: turn videos/articles → structured notes Pricing & Privacy • Free: limited AI transcriptions & summaries • Premium: unlimited AI features, PDFs/OCR, Mind Maps & deep Q&A • Your data is encrypted and never sold. Manage or cancel your subscription anytime in your iTunes Account settings. Privacy Policy: https://notelyn.com/privacy-policy Terms of Service: https://notelyn.com/terms-of-service

About

Unseen X

Features
Read full description

Created by Ketan Sharma Unseen X — Experience the Unseen. Step into the world of diverse abilities with Unseen X, an immersive educational simulation designed to build empathy and understanding through technology. Developed by Ketan Sharma, this app uses real-time visual and audio filters to simulate how people with various disabilities interact with the digital and physical world. Whether you are a developer, designer, student, or simply curious, Unseen X provides a powerful perspective on why accessible design is not just a feature—it’s a necessity. COLOR BLINDNESS SIMULATION Experience the world through the lens of color vision deficiency (CVD), affecting approximately 8% of people. • Protanopia: Red color blindness simulation. • Deuteranopia: Green color blindness simulation. • Tritanopia: Blue color blindness simulation. • Achromatopsia: Complete color blindness (monochrome). See how traffic lights, complex UI elements, and data graphics appear to those with CVD. HEARING LOSS SIMULATION Understand the daily challenges and communication barriers faced by over 1.5 billion people. • Adjustable Levels: Toggle from mild to severe hearing loss. • Audio Filtering: Real-time frequency dampening to simulate muffled speech. • Interactive Scenarios: Experience how alerts and alarms sound in different environments. • Haptic Feedback: Feel the tactile alerts that bridge the gap for those with hearing impairment. LIMITED MOBILITY SIMULATION Feel the complexity of motor control challenges and precise interaction. • Tremor Simulation: Experience the difficulty of steady interaction. • Interactive Tasks: Test your skills with tapping, dragging, and precise icon selection. • Challenge Feedback: Gain real-time insight into why large touch targets and adaptive UIs are critical. VISION IMPAIRMENT SIMULATION Explore common vision conditions that change how we perceive our environment. • Nearsightedness & Farsightedness: Understand focus-related challenges. • Astigmatism: Experience distorted or blurred vision simulations. • Age-Related Changes: See how vision evolves over time. APP FEATURES • Native Performance: Built entirely with SwiftUI for a smooth, responsive experience. • Privacy First: No account required, no data collection, and no tracking. • Immersive Tech: Uses real-time visual filters, audio processing, and advanced haptics. • Educational Impact: Perfect for accessibility audits, design inspiration, and classroom learning. Build empathy. Drive inclusion. Download Unseen X today. Privacy Policy: https://unseen-website.vercel.app/privacy Terms of Use: https://unseen-website.vercel.app/terms

Screenshots

Notelyn4 screens
Unseen X4 screens

Verdict

The call

The clearest difference is in-app purchases: Unseen X at none against Notelyn's 8. Unseen X also leads on update cadence (weekly vs fortnightly). 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. Notelyn sells 8 in-app purchases, starting at $3.99 per 7 days. Unseen X asks for nothing beyond the download.

UpkeepUpdate frequency

Notelyn ships an update fortnightly, Unseen X weekly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Notelyn versus Unseen X: the parameters behind the verdict, then further details
ParameterNotelynUnseen X
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size105 MB11 MB
Age rating4+4+
DeveloperStudy AIManik Lakhanpal

In-app purchases

8 purchases

Notelyn

Subscriptions4
  • AI Note Taker Pro - Weekly$3.997 Days
  • AI Note Taker Pro - Monthly$12.991 Month
  • AI Note Taker Pro - Annual3 Days trial$59.991 Year
Show 1 more
  • AI Note Taker Pro - Yearly3 Days trial$79.991 Year
One-time4
  • 250 Credits · Starter$5.99
  • 750 Credits · Plus$14.99
  • 1,800 Credits · Pro$29.99
Show 1 more
  • 5,000 Credits · Mega$69.99
None

Unseen X

No in-app purchases

Questions

Is Notelyn free?
Notelyn is free to download, with in-app purchases available.
Is Unseen X free?
Unseen X is free to download, with no in-app purchases.
Do Notelyn or Unseen X have ads?
Neither Notelyn nor Unseen X shows ads.
Which is updated more often, Notelyn or Unseen X?
Notelyn ships an update fortnightly, and Unseen X weekly. Most recently, Notelyn was updated on October 2, 2026 and Unseen X on October 18, 2026.

Other comparisons