The perfect Egg timer vs Boiler Egg
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The perfect Egg timer
Achieve perfectly cooked eggs every time with this intelligent timer. It calculates precise cooking times based on egg size, altitude, and temperature, and even features an "egg spy" to visualize internal changes.
- Precise cooking time calculation
- Egg size measurement via iPhone scale
- Altitude determination (manual or GPS)
- Egg temperature setting (freezer/room temp)
- Egg-spy visualization of internal changes
- Adjustable doneness levels (soft to hard)
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************************************* - #1 Bestseller category "Lifestyle" (Germany) - #1 Bestseller category "Lifestyle" (Austria) - #1 Bestseller category "Lifestyle" (Switzerland) - #1 Bestseller category "Lifestyle (Sweden) - #1 Bestseller category "Lifestyle" (Netherlands) - Selected as App Store "Staff Favorite" in USA, UK, Austria and Switzerland. - Mentioned in german newsmagazine DER SPIEGEL (45/2009) and manager-magazine. ************************************* The perfect egg timer with the incredible egg spy: from now on your eggs will be perfect. Are you tired of eggs that are always too soft or to hard? No matter where you are or how big your egg is - the perfect egg timer for perfect eggs is the solution! The perfect egg-timer is based on scientific proof and because every egg is different, the timer calculates the exact cooking time based on egg size, altitude and temperature. Usage: In order to measure the exact size of your egg, simply place it on your iPhone and set the size using your fingertip for. Determine your current altitude (or let it be determined by GPS), tell your iPhone if you kept your eggs in the freezer or at room temperature and how you would like to have your eggs – soft-boiled, hard-boiled or something in-between. Place your eggs in a single layer in a saucepan. Add enough cold water to just cover the eggs. Bring them to a rapid boil over high heat and start the countdown. The iPhone will signal when the eggs are done. The attraction: The egg spy lets you see the changes inside your boiling egg! Features: -the formula for the perfect egg-timer is based on physical experiments and studies - Egg-size can be adjusted to the nearest millimetre (inch): Simply place the egg on the iPhone scale and set the size with your fingertip. It doesn’t get any more accurate than this. - Automatic change of measurement units between inch or millimeter and fahrenheit or celsisu, depending on language and international settings. - determine and enter your altitude manually or let it be determined by GPS automatically. - The egg-spy shows you the inside of your egg during the cooking progress
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.
Screenshots
Verdict
The clearest difference is update cadence: Boiler Egg at every 4 months against The perfect Egg timer's every 9 months. On price, ads, in-app purchases and device support 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.
The perfect Egg timer ships an update every 9 months, Boiler Egg every 4 months. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.
| Parameter | The perfect Egg timer | Boiler Egg |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 63.3% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 9 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 17 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Mirko Müller | ritterfeld.com |
Bugs and requests
The perfect Egg timer
Reported bugs
9 issues- Egg measurement scale misaligned on iPhone 15 and newer models
- Timer stops when phone is locked or app backgrounded
- Timer slows down when multitasking between apps
- Back button resets running timer unexpectedly
- GPS altitude detection extremely slow
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- No iPad auto-rotation support
- Boiling water and cold water instructions reversed in some versions
- App doesn't work reliably with electric cookers
- Timer and alarm continuously sound during countdown
Requested features
10 requests- Multi-tasking support for background timer operation
- Altitude slider range increased to 4000m+ for high-altitude cities
- Option to add eggs to already-boiling water
- Multiple egg cooking adjustments
- Better app scaling for modern iPhone displays
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- Additional egg cooking tips and guidance
- Clarification on liquid vs soft egg definitions
- iPad portrait mode support
- Notifications that work when phone is locked
- Electric cooker-specific settings
Boiler Egg
Not enough reviews yet to summarise bugs or requests.
In-app purchases
The perfect Egg timer
No in-app purchases
Boiler Egg
No in-app purchases
Questions
Is The perfect Egg timer free?
Is Boiler Egg free?
Do The perfect Egg timer or Boiler Egg have ads?
Which is updated more often, The perfect Egg timer or Boiler Egg?
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