Comparison

OrbitNote 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

OrbitNote

This tool allows users to read, annotate, and listen to PDF documents. It converts image-based PDFs to accessible text and offers features like speech playback, highlighting, and iCloud sync for seamless document management across devices.

Highlights
  • Annotate PDFs with highlights, underscores, and notes
  • Convert image PDFs to searchable text
  • Listen to PDFs with human-quality voice playback
  • Change background and text colors for readability
  • Sync documents and annotations with iCloud
  • Import/export PDFs from cloud storage and other apps
Features
Read full description

OrbitNote is an accessible, reading and study PDF tool for all. Annotate, mark up, listen to and save PDF files which are then still fully compatible with other popular PDF apps. Have accessible text PDF files spoken back to you with human quality voice & synchronised highlighting. PDF image files or photographs of text can be converted to accessible, searchable PDF files and read in the app. + Speech, Productivity and Accessibility Alongside the full range of iOS system voices, OrbitNote comes with a range of high-quality voices in different languages. A ‘Speak in Background’ option lets you listen to a PDF while viewing another app - great for proofreading PDF files while you’re working in other apps. The ‘Speak on tap’ and ‘Stop on tap’ options make speech easy to control. + OrbitNote allows the background colour of the PDF to be changed, and text colour inverted, to enhance readability. OrbitNote fully supports VoiceOver. + Annotations, Notes and Comments OrbitNote includes a powerful Annotation toolbar that lets you add notes and other comments. These are fully interchangeable with most other popular PDF apps, so your OrbitNote comments will still be there if you open the PDF on another device. Annotations created in another PDF app can also be viewed and edited. Annotation features include: highlight; underscore; strikeout; notes; free text (type straight into the PDF); free line draw; shapes (circle, square, line - with many options); images (you can even insert photos from your iPad camera or photo library into the PDF file); audio and video. + Photos and Image PDF to Text PDF Conversion You can convert photos and other images to fully accessible text PDF files that can be spoken, searched, copied and highlighted. As well as converting photos, you can also convert any PDF Image file into a fully accessible Text PDF file. Along with making these PDF files accessible and searchable, it will also compress them, reducing file size. Further credit can be purchased in app. Photos and Image PDF to Text PDF Conversion in OrbitNote requires an internet connection. + Managing PDF Files PDF files can be opened in OrbitNote from all other apps, including Mail and Safari. All opened PDF files will be placed in the OrbitNote Documents List for later viewing. You can also open files from Google Drive, OneDrive, or import directly from your device. PDF files can be saved into OrbitNote Documents, OneDrive or Google Drive, sent by email, or opened in other apps that support PDF files. + Sync with iCloud You can sync ClaroPDF with your iCloud account. This lets you store and synchronise your PDF files and annotations across multiple devices. Sync with iCloud can also act as a document backup so you can keep your documents safe. + Switch Accessibility OrbitNote responds to switch or Bluetooth keyboard commands: 1 (~1) Start speech 2 (~2) Stop speech 3 (~3) Turn to previous page 4 (~4) Turn to next page + Fullscreen mode Allows the full document to be seen without toolbars in view. Ideal for smaller screens!

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

OrbitNote4 screens
Unseen X4 screens

Verdict

The call

The clearest difference is in-app purchases: Unseen X at none against OrbitNote's 10. Unseen X also leads on update cadence (weekly vs monthly). 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. OrbitNote sells 10 one-off in-app purchases. Unseen X asks for nothing beyond the download.

UpkeepUpdate frequency

OrbitNote ships an update monthly, Unseen X weekly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
OrbitNote versus Unseen X: the parameters behind the verdict, then further details
ParameterOrbitNoteUnseen X
PriceFreeFree
Rating4.7 (60 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings60 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better16.0
Further details — not scored
Size252 MB11 MB
Age rating4+4+
DeveloperEverway Opco Ltd.Manik Lakhanpal

In-app purchases

10 purchases

OrbitNote

One-time10
  • Krzysztof$1.99
  • Joaquim$1.99
  • 5000 Credits$3.99
Show 7 more
  • Elise$3.99
  • Valentin$3.99
  • Elias$3.99
  • Emilie$3.99
  • Filip$3.99
  • Freja$3.99
  • Unlock ClaroPDF Pro$9.99
None

Unseen X

No in-app purchases

Questions

Is OrbitNote free?
OrbitNote 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 OrbitNote or Unseen X have ads?
Neither OrbitNote nor Unseen X shows ads.
Which is updated more often, OrbitNote or Unseen X?
OrbitNote ships an update monthly, and Unseen X weekly. Most recently, OrbitNote was updated on October 23, 2026 and Unseen X on October 25, 2026.

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