Comparison

ONEkey vs Egg Timer.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

ONEkey door lock app

About

ONEkey

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ONEkey is an addition to physical cards used to access your hotel room using your smartphone. Complete online check-in, download the ONEkey app to get access to your room, as well as a wide range of areas: lifts, gym, fitness centre, swimming pool, and more. Enjoy your stay with ONEkey.

About

Egg Timer.

Features

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The Egg Timer app helps you achieve the perfect eggs, every time. Whether you like them soft-boiled, medium, or hard, simply choose your desired style, and let us handle the rest! Features: Easy-to-use interface Accurate timing for every egg style Beautiful and simple design Say goodbye to overcooked or undercooked eggs. Download now and cook your eggs to perfection!

Screenshots

ONEkey4 screens

Egg Timer.4 screens

Verdict

The call

The clearest difference is in-app purchases: ONEkey at none against Egg Timer.'s 1. ONEkey also leads on iOS requirement (15.0 vs 17.2). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Egg Timer. sells 1 one-off in-app purchase. ONEkey asks for nothing beyond the download.

UpkeepUpdate frequency

ONEkey ships an update every 6 weeks, Egg Timer. every 3 weeks. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level

ONEkey versus Egg Timer.: the parameters behind the verdict, then further details
Parameter	ONEkey	Egg Timer.
Price	Free	Free
Update frequency	Every 6 weeks	Every 3 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod — better	iPhone
Requires iOS	15.0 — better	17.2
Further details — not scored
Size	9 MB	2 MB
Age rating	4+	4+
Developer	at-visions Informationstechnologie GmbH	Muhammed Efdal incesu

In-app purchases

None

ONEkey

No in-app purchases

1 purchases

Egg Timer.

One-time1

Egg Timer Lifetime Premium$2.99

Questions

Is ONEkey free?

ONEkey is free to download, with no in-app purchases.

Is Egg Timer. free?

Egg Timer. is free to download, with in-app purchases available.

Do ONEkey or Egg Timer. have ads?

Neither ONEkey nor Egg Timer. shows ads.

Which is updated more often, ONEkey or Egg Timer.?

ONEkey ships an update every 6 weeks, and Egg Timer. every 3 weeks. Most recently, ONEkey was updated on September 9, 2026 and Egg Timer. on September 11, 2026.