Our apps
Every LarkRiff app for Android. Each page lists the features, languages and privacy policy.
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Build Calc
Tell us what you are building and get exactly how much material to buy — in the bags, packs and pieces sold in your country. Results are estimates; always check product labels.
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Sound Meter
A calibratable decibel meter that never interrupts a measurement with an ad.
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Bubble Level
A precise spirit level, inclinometer, protractor and ruler in one clean app. Calibrate once and measure to 0.1°.
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Violin & Cello Tuner
A precise, beautiful tuner for violin, viola, cello, double bass, mandolin, banjo, ukulele, bouzouki, balalaika, domra, charango, cavaquinho, guitar and bass — with custom tunings, reference tones and a sample-accurate metronome.
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Air Quality Poland
Clear, fast air-quality information for your location in Poland, with a clean widget and smart smog alerts.
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Logic Puzzles
Elegant, ad-light classic logic puzzles — Bridges, Loops and Islands — with unique solutions, smart hints and endless generated levels.
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Solitaire – Big Cards
Calm, classic Spider, FreeCell and Klondike with big readable cards, unlimited undo and ads that never interrupt a game. Remove ads with a one-time purchase — no subscription.
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Flags Quiz
Learn every flag, capital and country shape with a quiz that actually teaches — spaced-repetition learning, daily challenges, fully offline.
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Spin the Wheel
Beautiful, fair random decisions — wheels, team maker, finger picker, dice and more, without ad spam. Results are decided with a secure random generator before the animation starts.
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