Comparison

LumaClock vs JiaClock

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

JiaClock

Features
Read full description

JiaClock is an aesthetic clock app designed to be beautiful, practical, and distraction-free. Make time more than just numbers in the corner of the screen. Turn it into part of your desk, bedside, and moments of focus. 【Perfect For】 Focus Sessions · Bedside Display · Home Office · Home Screen Decoration 【Main Features】 • Digital Clock — Large immersive display, perfect for focused work and bedside use • Flip Clock — Classic flip-card design blending vintage and modern aesthetics • Transparent Clock — Overlay the clock on a live camera view with a glassmorphism interface. All camera content is previewed locally only and is never recorded or uploaded • Hourglass Clock — Watch flowing sand record the passage of your day • World Clock — Somewhere in the world, another sunrise or sunset is happening right now • Couple Clock — Share the same moment with someone special, view each other's local time, and keep memories of your shared moments 【Widgets】 • Small, Medium, and Large widget sizes • Sync with in-app settings • One-tap home screen customization • Minute-based updates for lower distraction and better battery life 【Personalization】 • Multiple beautiful themes • Flexible combinations of 12/24-hour format, seconds, date, and weekday display • Custom slogans to create your own sense of time and ritual 【Languages】 English, Simplified Chinese, Traditional Chinese, Japanese, Korean 【Pro Features】 • Use your own photos as Digital Clock backgrounds • Use your own photos as Flip Clock backgrounds • Automatically unlock future premium clock styles JiaClock. Quiet focus, right now. 使用条款(Terms of Use): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策(Privacy Policy): http://www.jdarray.com/privacy/privacy.html

Screenshots

LumaClock4 screens
JiaClock4 screens

Verdict

The call

LumaClock and JiaClock 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 JiaClock sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LumaClock ships an update every 3 days, JiaClock every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

ScorecardNo meaningful differences
LumaClock versus JiaClock: the parameters behind the verdict, then further details
ParameterLumaClockJiaClock
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size7 MB30 MB
Age rating4+4+
Developer修武 许Beijing Boshujia Technology Co., Ltd

In-app purchases

1 purchases

LumaClock

One-time1
  • Lifetime Pro Access$1.99
3 purchases

JiaClock

Subscriptions2
  • Xiaojia Clock Pro Monthly$0.991 Month
  • Xiaojia Clock Pro Yearly$0.991 Year
One-time1
  • Xiaojia Clock Pro Lifetime$1.99

Questions

Is LumaClock free?
LumaClock is free to download, with in-app purchases available.
Is JiaClock free?
JiaClock is free to download, with in-app purchases available.
Do LumaClock or JiaClock have ads?
Neither LumaClock nor JiaClock shows ads.
Which is updated more often, LumaClock or JiaClock?
LumaClock ships an update every 3 days, and JiaClock every 4 days. Most recently, LumaClock was updated on October 24, 2026 and JiaClock on October 28, 2026.

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