Apps Like SimpleFFT for iPhone and iPad
SimpleFFT screenshots
Ranked alternatives
Showing 681–700 of 1,000 ranked alternatives.


Currency Converter
SuperMichael Faz
Convert currencies with real-time rates.
The app converts currencies using real-time foreign exchange rates. It supports over 90 countries and allows users to select a base currency for conversion to multiple other currencies.

MiniCryptoTracker
Samer Asaad
Track crypto prices and view portfolios
Track cryptocurrency prices and portfolio performance. View market charts, capitalization, and trending tokens. Add notes and save portfolio details. Refresh data automatically. Access widgets for quick insights. Monitor price changes in real-time.













Site Monitor
Peritum.Net
Check server status and connection type
Checks connections to defined servers using PING, GET, or POST methods. It displays the status of the first four servers on the menu bar and notifies users of connection changes via Notification Center.




CircuitWay
栋侠 郑
Design circuits and simulate electronics
Design and simulate analog and digital circuits with SPICE technology. Analyze circuit behavior and test designs. Explore 97 example circuits including BJT amplifiers, MOS amplifiers, oscillators, filters, and complex projects like UART and RISC CPU.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.