Two focused apps, one liquid‑glass design language.
Binaural AudIo helps you focus, sleep and relax. CostCurrent keeps you ahead of electricity prices. Both are private by default and available on iOS and Android.
Binaural AudIo
Brainwave entrainment & AI soundscapes
Binaural-beat audio engineered to guide your brainwave activity toward a target mental state — deep sleep, meditation, relaxed focus, or sharp concentration — across all five brainwave bands (Delta through Gamma). Layer in an AI-generated ambient soundscape from a simple text prompt, or pick from a curated library, with seamless evolving loops that never feel repetitive. Everything runs 100% on-device, so your listening habits and prompts stay completely private, with background playback and lock screen controls for uninterrupted sessions.
Precision Binaural Beat Engine
Real-time, continuous-phase stereo tone synthesis across all five brainwave bands — Delta, Theta, Alpha, Beta and Gamma.
Custom Carrier & Beat Tuning
Granular carrier frequency selection (200–400 Hz) with micro-Hz beat calibration for a tuned, personal session.
On-Device Generative AI Soundscapes
Local text-to-audio generation — 100% offline and private, with no prompts or audio ever leaving your device.
Dynamic Segment Rotation
A staggered 3-segment loop engine regenerates ambient textures on the fly so sessions never feel repetitive.
Acoustic Post-Processing
Low-pass filtering and de-spiking keep AI-generated audio smooth and artifact-free.
Liquid Glass UI
Frosted-glass design with dynamic blur, specular highlights, spring physics, and full light/dark support.
Background Playback & Lock Screen Controls
Uninterrupted background audio with media controls right from your lock screen.
Smart Audio Cache
Persistent local metadata tracking with automatic least-recently-used cache eviction.
Under the hood Acoustics, Mathematics & Synthesis Architecture
The audio pipeline bridges psychoacoustics, digital signal processing, and on-device neural diffusion modeling to generate every sound you hear.
Binaural Beat Tone Synthesis
A binaural beat is an auditory illusion perceived when two pure tones with slightly differing frequencies are played dichotically, one in each ear, over stereo headphones. The perceived beat frequency matches the difference between the two carrier tones.
f_L = f_carrier − f_beat ÷ 2 f_R = f_carrier + f_beat ÷ 2
Brainwave Bands & Psychoacoustic Mapping
Delta (0.1–3 Hz) targets deep slow-wave sleep and restoration. Theta (4–7 Hz) supports meditation, REM dreaming and memory consolidation. Alpha (8–15 Hz) encourages relaxed focus and creative flow. Beta (16–30 Hz) sharpens active concentration. Gamma (31–100 Hz) is associated with peak insight and heightened awareness.
Seamless Equal-Power Loop Crossfading
To eliminate audible clicks at loop boundaries, each loop is rendered with extra continuation samples blended back into its head using an equal-power circular curve, so perceived loudness stays constant across the seam.
head[i] = x[i]·cos(θ) + x[loop+i]·sin(θ), where cos²(θ) + sin²(θ) = 1
On-Device Generative AI & Latent Audio Decoding
Text prompts are processed entirely on-device via a quantized neural diffusion model. A Snake activation function models organic acoustic harmonics with continuous-phase frequency scaling, while multi-band latent resonance drives soft-clipped waveform synthesis.
Snake(x, α) = x + (1 ÷ α)·sin²(αx)
Acoustic Filter Chain & Artifact Suppression
Generated audio passes through a single-pole RC low-pass filter to tame high-frequency noise, a median-of-3 de-spike filter to suppress isolated sample spikes, and peak normalization to keep levels consistent — all without degrading transients.
CostCurrent
Smart European electricity monitoring
Real-time and day-ahead electricity spot prices across 40+ European bidding zones, visualized alongside hyper-local weather, wind, and solar radiation data. A physics-based solar forecasting engine predicts your panels' output hour by hour, accounting for sun position, cloud cover, temperature, and even snow cover, while smart insights surface the cheapest hours to use power each day. Stay informed at a glance with home screen widgets and day-ahead price alerts.
Spot Price Visualization
Real-time electricity prices rendered as stepped-line, smooth line, or bar charts — however you like to read the market.
40+ European Bidding Zones
Full ENTSO-E coverage, from Sweden's SE1–SE4 and Norway's NO1–NO5 to Germany, Denmark, Finland and beyond.
Local Weather
Hourly temperature, wind speed, cloud cover, solar radiation and snow depth sourced from Open-Meteo.
High-Precision Solar Forecasting
A physics-based engine predicts your panels' output hour by hour, modelling optical, thermal and weather effects.
Smart Insights
Daily price extremes, cheapest consumption windows, and tomorrow's forecast summarized at a glance.
Home & Lock Screen Widgets
Live prices and forecasts on your home screen for iOS and Android, without opening the app.
Offline-First Persistence
Local SQLite storage keeps your prices, forecasts and alerts available even without a connection.
Under the hood Solar Production Calculations
The SolarCalculator engine models the physical journey of sunlight — from extraterrestrial solar coordinates down to real inverter AC output — for your exact panel setup and location.
Solar Position (NOAA Algorithms)
Sun elevation and azimuth are computed from the UTC timestamp, latitude and longitude using the day-of-year angle, the equation of time, solar declination, and the true solar hour angle.
Angle of Incidence & Optical Losses
The angle of incidence on tilted panels combines sun elevation, azimuth and panel orientation. Reflection losses at oblique angles are modeled with the ASHRAE glass model, while the Kasten-Young air mass formula and a spectral mismatch factor correct for atmospheric scattering and spectrum reddening near sunrise and sunset.
Plane-of-Array Irradiance (Hay-Davies Model)
Total irradiance striking the panel combines direct beam light, anisotropic circumsolar and isotropic diffuse sky light, and ground-reflected albedo — with albedo dynamically boosted by nearby snow cover.
Snow Attenuation, Wind Cooling & Temperature Derating
Snow coverage attenuates light following the Beer-Lambert law, adjusted for panel tilt and ambient temperature. Cell operating temperature is estimated with the Faiman convective wind-cooling model, and silicon output is derated roughly 0.4% per degree above standard test conditions.
Inverter Efficiency & Final Output
A part-load inverter efficiency curve captures tare and low-irradiance losses before the final AC power is clamped to the system's rated peak, then summed hour by hour into a daily kWh generation forecast.