28+ similar apps compared and reviewed
Whether you want more options like Protractor PRO or a completely different take on the same concept, our curated list of 28+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Process credit card and ACH payments directly from your mobile device. Track all sales activities, including approved and declined transactions, and quickly issue refunds or void transactions. Access historical transaction data for easy review.
This utility measures electrical parameters like voltage, current, and power. It offers multiple protection functions and real-time battery monitoring on a color LCD. The app also supports data export and remote control via mobile or PC.
Easily calculate the volume of rectangular boxes with this user-friendly tool. Input length, width, and height to get precise cubic measurements in your preferred units. Ideal for construction, shipping, and packaging needs.
