ToolBox+ All vs PDF Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ToolBox+ All
This app offers 12 essential utilities in one place, including a ruler, level, compass, flashlight, unit converter, and various timers. It's designed for convenience and efficiency in daily tasks, from measurements to event tracking.
- Digital ruler with adjustable units
- Precision sensor-based level
- Accurate digital compass
- Flashlight with SOS mode
- Comprehensive unit converter
- Multiple timer and stopwatch functions
- D-DAY countdown for special occasions
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[App Introduction] The all-in-one utility app brings 12 essential tools together to make your daily life more convenient and smarter. Enjoy features covering various categories such as measurement, calculation, recording, and management. [Key Features] Ruler A digital ruler for fast and accurate length measurement Adjustable scale size and units (mm, cm, inch, etc.) Candle Simulates a real candle for creating a cozy ambiance Can be used for simple wishes or events Level Useful for leveling picture frames or furniture Precision sensor-based measurements supported Compass Accurate digital compass to indicate North/South Essential for hiking, camping, and traveling Flashlight Use as a flashlight in dark environments Equipped with an SOS mode and brightness control Unit Converter Convert various units like length, weight, volume, temperature, and currency Quick search with convenient category classification Percentage Calculator Easily calculate discounts, percentage changes, etc. Applicable in shopping, work, and study scenarios Timer Set and manage times for cooking, exercising, studying, etc. Automatic notifications when the set time is reached Multi-Timer Manage multiple timers simultaneously Excellent for cooking, exercise routines, Pomodoro, and more Stopwatch Optimized interface for time measurement Useful in sports, experiments, and time management tasks Lap Time Record interval times using the stopwatch Ideal for running, cycling, and tracking workouts D-DAY Easily check the days remaining until special occasions Never miss important dates like anniversaries, exams, or events with automatic reminders [Additional Features and Benefits] - Intuitive Design: User-friendly UI allows even beginners to operate effortlessly - Lightweight App Size: Reduced unnecessary resources for fast app performance [User Guide] - Enjoy all features at once: Select the tools you need easily from the home screen - Check updates and FAQs: Regular updates bring new features and improvements [Start Using It Right After Download!] Download the all-in-one utility app now and enhance your daily life with 12 handy tools!
PDF Studio
This app offers a comprehensive suite of tools for managing PDF files on your iPhone. It allows you to edit, compress, convert, scan, protect, and organize your documents entirely on your device for maximum privacy.
- Edit and organize PDF pages
- Convert PDF to Text, HTML, Excel, JPG, PNG, BMP
- Compress PDF file size
- Merge and split PDF documents
- Scan documents with camera
- Add password protection and signatures
- Convert images to PDF
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PDF Studio: PDF Converter is your complete PDF editor, scanner, and file converter for iPhone. It brings all the essential PDF tools together in one fast, simple, and powerful app. Whether you want to compress, merge, split, convert, protect, organize, or scan documents, PDF Studio makes it easy. Everything is processed entirely on your device, ensuring complete privacy with no internet required. PDF Studio includes every major tool you need: • PDF Editor – Modify and organize your PDF pages • PDF Converter – Convert PDF to Text, HTML, Excel (CSV), JPG, PNG, BMP • Compress PDF – Reduce file size while maintaining quality • Merge PDF – Combine multiple PDFs into a single file • Split PDF – Separate pages or create new documents • Image to PDF – Turn photos and scans into professional PDFs • PDF Scanner – Scan documents using your camera • PDF Reader – Fast and smooth PDF viewing • Protect PDF – Add password protection • Unlock PDF – Remove existing passwords • Sign PDF – Add your handwritten signature • Watermark PDF – Insert custom text or image watermarks • Remove Pages – Instantly delete pages • Extract Pages – Save selected pages as a new PDF • Add Page – Insert blank or image-based pages • Rearrange PDF – Easily reorder pages • Rotate PDF – Rotate one or multiple pages • Crop PDF – Trim unwanted areas • Page Numbers – Add customizable numbering • PDF to Image – Export pages to JPG, PNG, or BMP • Image Conversion – Convert images to PNG, JPG, or BMP • Create ZIP – Compress multiple files into a ZIP archive • Extract ZIP – Open and extract ZIP files Advanced conversion tools include: • PDF to Text for easy copying • PDF to HTML for web-friendly formatting • PDF to Excel (CSV) for data extraction • PDF to JPG, PNG, BMP for high-quality image export • PNG, JPG, BMP to PDF for easy document creation This makes PDF Studio ideal for business, schoolwork, office documents, scanned files, photos, receipts, and more. Why Choose PDF Studio: PDF Converter? • 100% Offline Processing – Files stay on your device • No Subscriptions – One-time purchase unlocks everything • Fast and Secure – No uploads, no servers, complete privacy • Easy to Use – Clean and intuitive design • Full Featured – Replace multiple PDF apps with one Perfect For • Students needing PDF notes, homework, and scanned pages • Professionals working with contracts, forms, and reports • Anyone who needs a fast, reliable, and private PDF editor and converter Supported Devices • iPhone
Screenshots
Verdict
The clearest difference is ads: ToolBox+ All at none against PDF Studio's shown. ToolBox+ All also leads on monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 17.0). PDF Studio's advantage is update cadence (monthly vs every 7 months). On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for ToolBox+ All against 5.0 for PDF Studio. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
ToolBox+ All ships an update every 7 months, PDF Studio monthly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.
| Parameter | ToolBox+ All | PDF Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyungjin Lee | Asha Vaghasiya |
Customer experience
ToolBox+ All
PDF Studio
In-app purchases
ToolBox+ All
No in-app purchases
PDF Studio
No in-app purchases









