Offline PDF Editor vs SlimTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
SlimTimer
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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
Verdict
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
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.
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.
| Parameter | Offline PDF Editor | SlimTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | CHIRANJEEVI PANDEY | Luan Cu Xuan |
In-app purchases
Offline PDF Editor
- ProperPDF Pro — Weekly3 Days trial$1.997 Days
- ProperPDF Pro — Monthly7 Days trial$3.991 Month
- ProperPDF Pro — Annual7 Days trial$29.991 Year
- ProperPDF Pro - Lifetime Access$79.99
SlimTimer
- Remove Ads$1.99
- Remove ads$1.99
Questions
Is Offline PDF Editor free?
Is SlimTimer free?
Do Offline PDF Editor or SlimTimer have ads?
Which is updated more often, Offline PDF Editor or SlimTimer?
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