Yolk - Egg Timer

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Everyone
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Everyone
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About this app

Cooking eggs to perfection has never been easier. Yolk is the scientifically based egg timer that calculates the ideal cooking time for your egg, using validated data from research on heat transfer in egg cooking.
Unlike a regular kitchen timer, Yolk takes into account the variables that really matter when it comes to egg doneness: egg size, starting temperature (chilled or room temperature), and the altitude of your location, adjusting the cooking time to ensure the right result wherever you live.

With Yolk you can choose:

Egg size: medium, large, extra, or jumbo
Starting temperature: chilled (refrigerator) or room temperature
Altitude of the location, manually selected for a more precise calculation
Cooking point: soft yolk, creamy yolk, cooked yolk, or hard yolk

Each point was designed for real-world kitchen use: the soft yolk is perfect for dipping toast, the creamy yolk leaves the yolk partially runny, ideal for sandwiches and bowls, the cooked yolk balances firmness with creaminess, and the hard yolk is just right for salads and lunchboxes, without that grayish-green ring around the yolk.

The app calculates the ideal cooking time in seconds, with a visual and easy-to-use kitchen timer — no guessing, no testing, no raw or overcooked eggs.

Yolk Features:

Scientifically based boiled egg timer
Altitude-based cooking adjustment (manually select your altitude)
Egg size classification: medium, large, extra, and jumbo
4 cooking points: soft yolk, creamy yolk, cooked yolk, and hard yolk
Boiled egg history, with total eggs prepared and total time spent, filtered by yolk type
Dark theme for use at any time of day
8 different sounds to indicate when the egg is ready
Simple, fast, and straightforward interface
Works offline, in any kitchen

Whether it's for breakfast, a salad, a sandwich, or that recipe that calls for the perfect egg, Yolk takes care of the time while you take care of the rest. Download now and never get your boiled egg wrong again.
Updated on
Jun 18, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new


Welcome to Yolk, your app for making perfect eggs! Choose your preferred egg doneness and let Yolk handle the timing for you.
Content rating
Everyone
In-App Purchases
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App support

About the developer
MAYKEL MATHEUS DIAS
maycorpapps@gmail.com
Brazil