Comparison

Offline PDF Editor vs SlimTimer

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

Head to head
About

Offline PDF Editor

This app offers a comprehensive suite of PDF editing tools that operate entirely offline on your device. It allows you to merge, split, compress, convert, sign, and fill PDFs without needing an internet connection or uploading your files to the cloud. An AI chat feature is also available for summarizing and querying your documents locally.

Highlights
  • 100% Offline PDF Editing
  • Merge, Split, Compress PDFs
  • Convert PDF to Image
  • Sign and Fill Forms
  • On-device AI Chat
  • Password Protection
  • Zero Cloud Uploads
Features
Read full description

ProperPDF is the PDF editor that never uploads your files. Every tool runs 100% on your device - no internet connection required, no cloud servers involved, no account needed. WHY PROPERPDF? Your documents contain sensitive information - contracts, tax forms, medical records, school assignments. Most PDF apps upload your files to remote servers for processing. ProperPDF processes everything locally on your device. Your files never leave your phone. COMPLETE PDF TOOLKIT - Merge & Combine - Join multiple PDFs into one document - Split & Extract - Pull out specific pages or page ranges - Compress - Reduce file size without losing quality - Convert - PDF to JPG, PNG, or image to PDF - Lock & Unlock - Add or remove password protection - Sign - Draw or type your signature directly on any PDF - Fill Forms - Complete PDF forms on your phone - Rotate, Reorder & Delete - Organize pages exactly how you need them - Edit Metadata - Update document title, author, and properties - View & Read - Fast, smooth PDF reader with zoom and navigation AI-POWERED PDF CHAT Ask questions about your documents and get instant answers. Summarize lengthy reports, extract key points, or search through content - all powered by on-device AI. Your conversations stay private because the AI runs locally on your phone. BUILT FOR PRIVACY - Zero cloud uploads - files never leave your device - Zero internet required - works in airplane mode - Zero accounts needed - no sign-up, no tracking - Zero data collection - we don't see your documents PERFECT FOR Students - annotate textbooks, merge lecture notes, compress assignments Professionals - sign contracts, fill forms, organize documents Anyone - handle everyday PDF tasks without trusting a cloud server WORKS OFFLINE. ALWAYS. No Wi-Fi? No problem. Every feature works without an internet connection. Whether you're on a flight, in a meeting, or somewhere without service - ProperPDF has you covered. Download ProperPDF - the PDF editor that respects your privacy. Privacy Policy: https://tryproperpdf.app/privacy-policy Terms of Service: https://tryproperpdf.app/terms-of-service

About

SlimTimer

Features
Read full description

SlimTimer is a fast, simple, and convenient countdown timer for work, study, breaks, workouts, cooking, and everyday reminders. Start a timer with a single tap from the app, a Home Screen widget, or a Lock Screen widget. While the timer is running, Live Activities let you check the remaining time directly from the Lock Screen and Dynamic Island without reopening the app (Requires iOS 16.2 or later). SlimTimer is designed around speed and convenience: choose a duration, tap once, and get back to what you are doing. Key features: - Quick countdown presets for commonly used durations. - Dedicated Home Screen widgets for instant timers. - Circular Lock Screen widgets with one-tap start. - Live Activities on the Lock Screen and Dynamic Island. - Automatically opens the app, sets the duration, and starts the timer when you tap a widget. - Audio alerts when time is up. - Optional automatic repeat. - Clear light and dark themes. - Lightweight design focused on speed and ease of use. SlimTimer — one tap to start, always easy to check.

Screenshots

Offline PDF Editor4 screens
SlimTimer4 screens

Verdict

The call

The clearest difference is update cadence: SlimTimer at every 9 days against Offline PDF Editor's every 3 weeks. SlimTimer also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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. Offline PDF Editor sells 4 in-app purchases, starting at $1.99 per 7 days and SlimTimer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Offline PDF Editor ships an update every 3 weeks, SlimTimer every 9 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Offline PDF Editor versus SlimTimer: the parameters behind the verdict, then further details
ParameterOffline PDF EditorSlimTimer
PriceFreeFree
Rating5.0 (10 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size40 MB8 MB
Age rating4+4+
DeveloperCHIRANJEEVI PANDEYLuan Cu Xuan

In-app purchases

4 purchases

Offline PDF Editor

Subscriptions3
  • ProperPDF Pro — Weekly3 Days trial$1.997 Days
  • ProperPDF Pro — Monthly7 Days trial$3.991 Month
  • ProperPDF Pro — Annual7 Days trial$29.991 Year
One-time1
  • ProperPDF Pro - Lifetime Access$79.99
2 purchases

SlimTimer

One-time2
  • Remove Ads$1.99
  • Remove ads$1.99

Questions

Is Offline PDF Editor free?
Offline PDF Editor is free to download, with in-app purchases available.
Is SlimTimer free?
SlimTimer is free to download, with in-app purchases available.
Do Offline PDF Editor or SlimTimer have ads?
Neither Offline PDF Editor nor SlimTimer shows ads.
Which is updated more often, Offline PDF Editor or SlimTimer?
Offline PDF Editor ships an update every 3 weeks, and SlimTimer every 9 days. Most recently, Offline PDF Editor was updated on October 2, 2026 and SlimTimer on October 1, 2026.

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