Comparison

Kloq vs PDF Reader

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

Head to head
About

Kloq

Features
Read full description

Kloq is the first scheduling platform where the server cannot read your bookings. Built with zero-knowledge encryption, your booking data is encrypted on your device before it ever leaves — the server only stores encrypted blobs it can never decrypt. FEATURES: • Create shareable booking pages with custom availability • Google Calendar and Microsoft Outlook sync with auto conflict detection • Auto Google Meet and Microsoft Teams links for every booking • Group events with RSVP, capacity limits, and attendee management • Domain restriction — limit bookings to specific email domains • Email verification for attendees • Custom qualifying questions for bookers • Email confirmations, reminders, and cancellation notifications • Embeddable booking widget for your website • Web dashboard for managing bookings from desktop PRIVACY BY DESIGN: • End-to-end encrypted bookings (X25519 + AES-256-GCM) • Ed25519 cryptographic signatures verify slot authenticity • Zero-knowledge architecture — the server is blind by design • No account or password needed for bookers • Data stays on your device PERFECT FOR: • Therapists and counsellors (client confidentiality) • Solicitors and legal professionals (legal privilege) • Healthcare professionals (GDPR compliance) • Consultants, coaches, and freelancers • Anyone who values data privacy Kloq is built by Analog Mutations Ltd, United Kingdom.

About

PDF Reader

This app allows you to scan, read, edit, and manage PDF documents on your iPhone and iPad. Features include OCR text extraction, annotation tools, digital signatures, and file organization.

Highlights
  • Scan documents with camera
  • Convert photos to PDF
  • Extract text with OCR
  • Annotate and highlight PDFs
  • Add digital signatures
  • Merge and split PDFs
  • Password protection
Features
Read full description

PDF Reader is your all-in-one app to read, scan, edit, and manage PDF documents on iPhone and iPad. SCAN & CREATE • Scan paper documents with your camera and save them as crisp PDFs • Convert photos and images into PDF files • Extract text from scans and PDFs with OCR READ & VIEW • Smooth, fast PDF viewer with page thumbnails and search • Open PDFs from Files, email, and other apps EDIT & ANNOTATE • Highlight, draw, and add text to any PDF • Add your signature to sign documents • Rotate, delete, and reorder pages ORGANIZE YOUR TOOLS • Merge multiple PDFs into one • Split a PDF into separate files • Lock and unlock PDFs with a password • Manage files with search and a recycle bin PDF READER PREMIUM Upgrade to Premium to remove ads and unlock the full toolset: • OCR text recognition • Edit & sign without limits • Unlimited access to all PDF tools • An ad-free experience Subscription details: • PDF Reader Premium is a weekly auto-renewable subscription. • Payment is charged to your Apple Account at confirmation of purchase. • The subscription renews automatically unless canceled at least 24 hours before the end of the current period. • Manage or cancel anytime in your App Store account settings. • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://goldenboat.io/policy

Screenshots

Kloq4 screens
PDF Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Kloq at none against PDF Reader's 2. Kloq also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). PDF Reader's advantage is chart position (#121 vs unranked). On price 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. PDF Reader sells 2 in-app purchases, starting at $9.99 per 7 days. Kloq asks for nothing beyond the download.

UpkeepUpdate frequency

Kloq ships an update weekly, PDF Reader every 3 weeks. The most recent releases landed on October 18, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 6 level
Kloq versus PDF Reader: the parameters behind the verdict, then further details
ParameterKloqPDF Reader
PriceFreeFree
Rating—4.2 (109 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—109 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#121 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size41 MB22 MB
Age rating4+4+
DeveloperAnalog Mutations ltdDuc Duong Tran

In-app purchases

None

Kloq

No in-app purchases

2 purchases

PDF Reader

Subscriptions2
  • Premium Weekly3 Days trial$9.997 Days
  • Premium Weekly3 Days trial$14.997 Days

Questions

Is Kloq free?
Kloq is free to download, with no in-app purchases.
Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Do Kloq or PDF Reader have ads?
PDF Reader shows ads; Kloq does not.
Which is updated more often, Kloq or PDF Reader?
Kloq ships an update weekly, and PDF Reader every 3 weeks. Most recently, Kloq was updated on October 18, 2026 and PDF Reader on October 31, 2026.

Other comparisons