ChronoCalc Pro vs PicToolbox
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ChronoCalc Pro
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The simplest and most powerful way to calculate time. Perfect for pilots, freelancers, consultants, and anyone who needs to track and calculate hours with precision. FEATURES: - CSV Import/Export - Seamlessly import time logs or export your calculation history. Use a configurable delimiter (comma, semicolon, or tab) for compatibility with any spreadsheet. - Pro Time Math - Add, subtract, multiply, and divide time values effortlessly. - Flexible Time Input - Enter time your way: 1h30m, 1:30, or 1,30. The app intelligently understands your input. - Instant Decimal Conversion - Instantly switch between standard time (1h 30m) and decimal hours (1.5 hrs), with customizable decimal precision. - Multi-line Display - Keep track of complex calculations with a clear, scrollable display where each new operation appears on its own line. - Quick Copy - Tap to copy the final result to your clipboard with a single tap. - Full Customization - Tailor the app to your workflow with settings for appearance (Light/Dark/System), decimal precision, comma interpretation, and CSV formats. - Smart & Robust - Handles negative time values and seconds with perfect formatting. PERFECT FOR: - Pilots: Logging flight hours and calculating block time. - Freelancers & Consultants: Tracking billable hours and creating invoices. - Project Managers: Calculating project durations and resource timing. - Anyone: Converting time formats, adding up timesheets, or any task that involves time math. No ads. No subscriptions. Your data is 100% private and never leaves your device.
PicToolbox
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PicToolbox is a powerful all-in-one image processing app that handles your daily photo needs โ all processed locally on your device for complete privacy. Whether you need to compress photos for sharing, resize images for social media, add watermarks for protection, or extract text from screenshots, PicToolbox has you covered. Features: โข Image Compression โ Reduce file size while preserving quality โข Format Conversion โ Convert between JPG and PNG with adjustable quality โข Remove EXIF/GPS โ Strip location, device, and camera metadata for privacy โข EXIF Manager โ View and batch-clean photo metadata โข Text Watermark โ Add custom text, copyright, or social handles to photos โข Resize & Crop โ Adjust dimensions by percentage, pixels, or preset aspect ratios โข Image to PDF โ Combine multiple images into a single paginated PDF โข OCR Text Recognition โ Extract text from images locally, with copy and export support โข Background Removal (Beta) โ Remove portrait backgrounds and export as transparent PNG โข Image Stitching โ Combine photos vertically, horizontally, or in a grid layout โข QR Code โ Generate QR codes or scan them from existing images โข Image to ZIP โ Package single or multiple images into a ZIP file for sharing All processing happens locally on your device. No uploads, no tracking โ your images never leave your phone. Perfect for photographers, designers, social media managers, and anyone who works with images daily. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ChronoCalc Pro at none against PicToolbox's 3. On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. PicToolbox sells 3 in-app purchases, starting at $1.99 per month. ChronoCalc Pro asks for nothing beyond the download.
ChronoCalc Pro ships an update every 8 days, PicToolbox every 2 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | ChronoCalc Pro | PicToolbox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days โ better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 4 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ERLEND JOHNSRUD VAAGE | Sailiken Tech |
In-app purchases
ChronoCalc Pro
No in-app purchases
PicToolbox
- PixToolbox Pro Monthly$1.991 Month
- PicToolbox Pro Annually$9.991 Year
- PicToolbox Pro$14.99
Questions
Is ChronoCalc Pro free?
Is PicToolbox free?
Do ChronoCalc Pro or PicToolbox have ads?
Which is updated more often, ChronoCalc Pro or PicToolbox?
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