Apps Like qsty600 for iPhone and iPad
Ranked alternatives
Showing 401–420 of 1,000 ranked alternatives.








Beam Calculator
V PUGAZHENTHI
Calculate parameters and convert units
Calculate parameters and convert units between metric and imperial systems. Access tools for critical bending moment, maximum stress, and deflection. Input loads and dimensions to determine structural properties.


MegaCalcBox - Multi Calculator
Kind Park LLC
Calculate finances, track health, plan travel, manage
Perform complex calculations with 35+ professional calculators covering finance, health, travel, and utilities. Input values, view examples, save favorites, and get instant results. Switch between dark and light modes. No advertisements.


Padel Score: Match & Stats
Mykyta Lukoshchenko
Track scores, analyze matches, share results
Track matches with deuce and golden point modes, tiebreak support, and score updates on iPhone or Apple Watch. Use voice feedback for alerts. Import tennis workouts from Health, auto-fill calories and heart rate, and link data to results.

API Tester REST API HTTP SOAP
Marouane Baid
Test APIs, send requests, view responses
Send requests to test APIs with support for GET, POST, PUT, and DELETE methods. Perform CRUD operations through a user-friendly interface. Include authentication options and view response headers and bodies.




GasTech Calculator Pro
Maksymilian Lopatowski
Calculate gas volumes and pressures
Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.