Comparison

LumaClock vs Rubber Clock

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

Head to head
About

LumaClock

Features
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LumaClock turns your iPhone or iPad into an immersive full-screen digital clock. Explore 30 carefully crafted visual styles, from clean graphic faces and animated particles to aurora-inspired scenes and star fields. Create a clock that fits your space: • Choose 12-hour or 24-hour time • Show hours and minutes, or include seconds • Show or hide the date and battery level • Switch color palettes on supported styles • Use portrait or landscape orientation on iPhone and iPad • Keep the display awake for desk, bedside, studio, or ambient use • Turn the optional ticking sound on or off • Use the app in English or Simplified Chinese Tap the clock face to hide the controls and enjoy an unobstructed display. Your selected style, color choices, and display preferences are saved on your device. Privacy by design: • No account or sign-in • No advertising or third-party analytics • Clock rendering and preferences stay on your device • An internet connection is not required for normal clock display A selection of clock styles is available without purchasing Pro. Lifetime Pro is available as a one-time, non-consumable in-app purchase that unlocks all Pro styles, additional color choices, and future Pro style releases. There is no subscription or recurring charge.

About

Rubber Clock

Features
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Initial release of Rubber Clock. Create your own digital clock by typing a sentence or uploading a favorite photo. Make a cozy pet clock, a countdown for a special day, or a relaxing bedside clock. Turn time into something that feels like yours.

Screenshots

LumaClock4 screens
Rubber Clock3 screens

Verdict

The call

LumaClock and Rubber Clock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. LumaClock sells 1 one-off in-app purchase and Rubber Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LumaClock ships an update every 3 days, Rubber Clock every 5 days. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

ScorecardNo meaningful differences
LumaClock versus Rubber Clock: the parameters behind the verdict, then further details
ParameterLumaClockRubber Clock
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS18.0 — better18.4
Further details — not scored
Size7 MB111 MB
Age rating4+4+
Developer修武 许传河 张

In-app purchases

1 purchases

LumaClock

One-time1
  • Lifetime Pro Access$1.99
3 purchases

Rubber Clock

One-time3
  • Small Eraser Pack$0.99
  • Medium Eraser Pack$1.99
  • Large Eraser Pack$2.99

Questions

Is LumaClock free?
LumaClock is free to download, with in-app purchases available.
Is Rubber Clock free?
Rubber Clock is free to download, with in-app purchases available.
Do LumaClock or Rubber Clock have ads?
Neither LumaClock nor Rubber Clock shows ads.
Which is updated more often, LumaClock or Rubber Clock?
LumaClock ships an update every 3 days, and Rubber Clock every 5 days. Most recently, LumaClock was updated on October 18, 2026 and Rubber Clock on October 11, 2026.

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