Frequency Analyzer vs TapPass

Transform your device into a professional-grade audio analysis suite with industry-leading 32-bit float processing, precision calibration tools, and comprehensive visualization capabilities. PROFESSIONAL ACOUSTIC MEASUREMENT • Real-time FFT analysis with configurable window sizes up to 4096 points • Reference SPL measurement with calibrated sound pressure level monitoring • Professional microphone correction with frequency-specific calibration curves • Reference tone calibration for precise frequency measurements • Configurable time averaging (0-1000ms) for stable, accurate readings • Industry-standard weighting filters: dBA, dBC, dBZ, and linear magnitude • Multiple window functions: Hanning, Hamming, Blackman ADVANCED VISUALIZATION MODES • High-resolution spectrum analyzer with peak detection • Real-time waveform display • Professional spectrogram • Octave band analysis • Amplitude tracking over time • Total level monitoring with min/max/average statistics POWERFUL RECORDING & ANALYSIS • High-quality 32-bit float audio recording and playback • Synchronized video recording with audio analysis overlay • Event tracking system with timestamped notes • Playback synchronization with all recorded events and measurements • Location mapping for environmental noise surveys • Export capabilities: WAV audio, CSV data, high-resolution images and videos PRECISION DECIBEL MEASUREMENT • Calibrated SPL measurements with reference level adjustment • Real-time dB monitoring with peak hold functionality • Statistical analysis: Leq, Lmax • Configurable time averaging (0-1000ms) • Frequency-weighted noise exposure calculations • Exposure calculator for NIOSH and OSHA IDEAL FOR PROFESSIONALS • Acousticians and audio engineers • Environmental noise consultants • Musicians and sound designers • Room acoustics optimization • Industrial noise monitoring • Educational and research applications • Live sound reinforcement • Building acoustics assessment Download now and unlock the full spectrum of acoustic measurement capabilities. DISCLAIMER This is a consumer application designed for general audio analysis and educational purposes. It is not a certified measurement instrument and should not be used where legally compliant or certified measurements are required. For professional acoustic assessments requiring traceable calibration or regulatory compliance, we recommend using an external calibrated measurement microphone with certified sound level meters. EULA: https://frequency-analyzer.com/terms-and-conditions/

TapPass keeps every loyalty, membership and gift card on your phone, so you can leave the plastic at home and still collect your points. ADD A CARD IN SECONDS • Pick from 200+ popular stores for your country, logos included • Scan the barcode with your camera or from a photo • Or type the number in — TapPass draws the barcode for you SHOW IT AT CHECKOUT • Tap a card to see its barcode; tap again for full screen at maximum brightness • Supports EAN, UPC, Code 128, Code 39, QR, PDF417, Aztec, Data Matrix and more • Add cards to Apple Wallet — passes can appear automatically when you're near the store • Home Screen and Lock Screen widgets, quick actions and Siri Shortcuts for your favourite card STAY ORGANISED • Separate tabs for membership and gift cards • Search, sort by name or recently used, filter by tags • Notes, balances and front/back photos of each card • Drag to reorder, custom colours • Reminders before a gift card or membership expires PRIVATE BY DESIGN • No account, no sign-up • Your cards are stored on your device only — we have no servers that hold your data • Optional App Lock with Face ID or Touch ID • Backup & restore to a file you control, and import from Catima PERFECT FOR Supermarket and retail rewards, gym and club memberships, gift cards and store credit, library and student cards, and any barcode or QR pass. TapPass is free and supported by ads. Privacy policy: https://tappass-examcert.web.app/privacy Support: support@examcert.app