Whether you want more options like Detector. or a completely different take on the same concept, our curated list of 4+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Listen to and record the ultrasonic sounds of bats using your iPhone or iPad. This app reveals bat acoustics through heterodyne detection and 16x time expansion, making their calls audible and musical. It also offers full-spectrum recordings triggered by bat sounds.
This app provides real-time audio analysis with a dynamic spectrogram and spectrum analyzer. Visualize audible and inaudible frequencies, measure tones, get feedback on speech, identify sounds, and calibrate instruments. Access recordings and snapshots easily.
What We Love
👍 Accurate and reliable spectrogram visualization
🎯 Highly configurable FFT and sampling settings
🎨 Beautiful and intuitive user interface
📊 Excellent for analyzing speech, music, and animal sounds
⚙️ Useful for professional audio calibration and research
🆓 Powerful functionality available in free version
📱 Works well on iPad and iPhone devices
🔧 Data export capabilities for external use
Room to Improve
💰 Aggressive in-app purchase model for basic features
🔐 Unexplained location permission requests
📉 Linear frequency scale wastes screen space
⏱️ Slow app startup times
🎯 Limited frequency range (8kHz cap in recent versions)
Learn the fundamentals and advanced techniques of ethical hacking and cybersecurity. This app offers comprehensive courses for beginners and experienced individuals, covering topics from basic hacking concepts to penetration testing and digital forensics. Gain practical skills to secure systems and build a career in the field.