Calculate tyre and rolling radius. Adjust speedometer error and customize speed settings. Compare wheels, save results as images, and use split view. Includes truck wheel and clearance calculators. Access a database of car wheels.
View positions of all solar system planets at any date. Adjust time to see real-time movements. Display accurate orbit sizes, eccentricity, and orbital shapes based on NASA data. Show realistic planet sizes relative to each other.
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
Identify U.S. using device camera or manual input. Filter by type including standard issue, air mail, and federal duck . View detailed information about each history and specifications.
Scan and password protect documents directly on iOS. Encrypt files and set passwords to PDFs. Share documents while maintaining encryption. Automatically detect document borders for accurate scanning. Manually adjust scans as needed.
Manage files by removing selected videos. View file size and play time in a list. Compare information and preview to decide deletion. In the Pro version, sort videos by play time or width and playback two videos simultaneously.
Create custom lists with text input and save them. Add widgets to home screen in various sizes. Support for dark mode. Widgets can be resized and placed on home screen.
Create calligraphy, customize styles, save and share
Create Arabic-style calligraphy with customizable styles and colors. Design with vector shapes and adjust curves. Align text or shapes using alignment tools. Adjust layer order to bring elements forward or send them back.
Write handwritten notes and sketches with customizable colors and stroke sizes. Add text to notes. Share notes to social media apps. Save notes to Photos with a single tap. Print, save, or export notes. No ads.
Resize images to reduce file with simple operations. Select and preview images, adjust quality and format options. Share resized images directly via email or other apps without saving to iPhone. Combine multiple images for lighter files.