Apps Like FFT for iPhone and iPad
Analyze audio and display frequency graphs
Analyzes audio using Fast Fourier Transform to display amplitude vs. frequency graphs. Displays detailed spectral analysis in octaves. Supports iOS microphone or external microphones for accurate measurements.
FFT screenshots
Ranked alternatives
Showing 221–240 of 1,000 ranked alternatives.


Jackson Energy Authority
Central Service Association
Pay bills, view history, track usage
View and pay bills directly. Access past payments and historical usage data in graph form. Manage payment schedules and notifications. Set up automatic payments and receive alerts for due dates.


Speaker Test – Moisture & Dust
Guangzhou AiLa Network Technology Co., Ltd.
Performance with frequency sweep
Allows users to evaluate performance through frequency sweep analysis and high amplitude sound wave testing. Identify distortion and response issues. nd play custom audio for detailed acoustic assessment.



Dickson Electric System
Central Service Association
View bills, pay invoices, track usage, manage
View and pay bills with real-time updates. Access historical usage data in graphical format. Manage payment schedules and set notifications. Review past payment records and transaction history.


Decibel Meter: Sound Meter dB
Van Hoa Nguyen
Measure levels and display values
Measure levels in your surroundings with real-time readings. Display minimum, average, and maximum values. Show current noise reference and detailed data. Visualize levels through a graph for better understanding.


Pet Translator - Dog&Cat Talk
子龙 王
Translate pet sounds to human language
Decodes cat and dog vocalizations using frequency, amplitude, and rhythm analysis. Identifies 50+ breeds and translates 16 feline and 22 canine vocal scenarios. Converts human speech to pet-friendly ultrasounds for two-way communication.







Flux Pro
Caelum Audio Ltd
Modulate sounds with stereo waves
Create dynamic audio effects with customizable modulation graphs. Adjust depth and parameters in four effect slots. Apply stereo waves, side-chains, filters, and glitches. Shape sound characteristics for precise track customization.


PocketRTA Ultra
Limelight Software
Portable real-time spectrum analysis tool.
The app provides real-time spectrum analysis using Fourier Transform. It offers various display modes, including octave bands and spectrograms, with multi-touch magnification and noise cancellation features.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.