Boiler Egg vs EierUhr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boiler Egg
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Boil an egg right from your wrist. By using all sensors of your Watch, you’ll get the best result.
EierUhr
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EierUhr calculates the perfect boiling time for your eggs instead of guessing. Choose the egg size, how you like it and whether the egg comes straight from the fridge or is at room temperature. EierUhr uses a physical heat-transfer model to calculate the time the yolk needs to reach the right temperature. COOKED RIGHT, EVEN IN THE MOUNTAINS Water boils at a lower temperature the higher you are. EierUhr uses your location once to determine your altitude and the resulting boiling point of the water, and adjusts the boiling time accordingly. ALWAYS IN VIEW • Countdown on the Lock Screen and in the Dynamic Island with Live Activities • Alarm when your eggs are done – even in Focus mode thanks to time-sensitive notifications • Notification 20 seconds before the end • The timer keeps running even if you close the app SIMPLE • Sizes: small, medium, large, XL • Doneness: soft, medium, hard • Starting temperature: refrigerator or room temperature • Available in English and German • Supports VoiceOver and Dynamic Type FREE AND PRIVATE No ads, no in-app purchases, no tracking. Your location is only used on your device to calculate the boiling point.
Screenshots
Verdict
The clearest difference is iOS requirement: Boiler Egg at 13.0 against EierUhr's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Boiler Egg ships an update every 4 months, EierUhr every 7 months. Both last shipped on November 3, 2026.
| Parameter | Boiler Egg | EierUhr |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Thom Ritterfeld | Christoph Sammer |
In-app purchases
Boiler Egg
No in-app purchases
EierUhr
No in-app purchases









