Volumi vs SpecWave

Volumi is a precise media volume utility built for iPhone. Go finer than Control Center—adjust in 1% steps with keyboard input on the free tier, or unlock 0.1% precision (1,000 steps) with Pro. Save volume presets as Scenes for commute, sleep, workouts, meetings, and more. Switch in one tap and stop adjusting volume every time you change context. CORE FEATURES • Volume Scenes — save multiple presets and apply them instantly; enter a scene session and exit by adjusting volume manually • Precise control — ring or slider UI plus keyboard input; Pro adds hold-to-accelerate fine-tuning • Auto Trigger — switch automatically when you connect headphones or arrive at a saved place (Pro, opt-in per scene) • Focus integration — apply a linked scene when a Focus mode activates (Pro) • Mute & restore — save your level before muting and restore with one tap • Home Screen widget — show scene and volume; tap to switch scenes and mute/restore; Pro adds ± volume buttons • iCloud sync — keep scenes consistent across devices (Pro, optional) PRIVACY Zero data collection. No ads. No third-party SDKs. Your data stays on device or in your private iCloud. PRO — ONE-TIME PURCHASE Unlimited scenes · 0.1% precision · auto trigger · 15 templates · no subscription

Key Features Real-time Spectrum Analysis (See Your Sound) - Instant Visualization: Captures ambient sound via microphone and presents it in beautiful "Line" or "Bar" chart styles, making pitch and volume crystal clear. - Key Data Capture: Displays the current peak frequency and total decibel level in real time, while automatically logging the maximum and minimum decibels for your session. - One-Tap Display Freeze: Tap the spectrum chart anytime to freeze the current frame, allowing you to observe and compare sound details at your own pace. - Multi-Source & Parameter Toggles: Switch between built-in and external microphones with a single tap, and toggle between log/linear frequency axes to suit your needs. - Microphone Gain Control: Easily adjust input sensitivity to your liking. *(Note: This app outputs raw relative values only; for high-precision acoustic measurement, please calibrate with a sound level meter first)* Audio Signal Generation (A Fun Health Check for Headphones & Speakers) - 3 Classic Waveforms: Built-in sine, square, and triangle wave audio signals to instantly turn your phone into a versatile sound transmitter. - Fun Dynamic Frequency Sweeps: Supports fixed frequency playback alongside single, loop, or round-trip dynamic sweep modes. Easily test speaker bass depth or fine-tune audio gear. - Precise Gesture Tuning: Use smooth swipe gestures for silky, precise micro-adjustments to both output frequency and volume gain. Common Use Cases - Measure room insulation or ambient noise decibels at home or in the office. - Test newly purchased headphones or speakers to see if the bass is deep enough and the treble is crisp. - Assist with instrument tuning by viewing the exact sound pitch and frequency. - Explore fun acoustics by playing curious sweep tones with the signal generator.