Comparison

Lucas' Clock vs Twinkle Clock

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

Head to head
About

Lucas' Clock

This app offers a unique approach to timekeeping by displaying only the hour hand, encouraging a more fluid perception of time. Its minimalist design ensures easy readability from a distance, with an option to briefly view the minute hand. It aims to improve your sense of time estimation.

Highlights
  • Clock without minute hand
  • Clean, minimal interface
  • Easy to read from a distance
  • Tap to show minute hand
  • Works on all orientations
  • 4 different colors
Features
Read full description

In today's hectic life it seems that everybody is living by the count of each minute. But do you really need such exact times as 3:03 p.m. or 10:39 a.m. in your everyday life? Wouldn’t ‘just after three’ be entirely sufficient? And 14:54 and 15:12 seem very different while it’s not. It makes you think too much about something that is fluid and paced and pushed along the same speed always: time.  Lucas’ Clock in short: # Clock without minute hand # Clean, minimal interface, easy to read at a glance from a distance # Tap to show minute hand for precise time reading (slowly disappears after 15 seconds, unless you tap again to make it disappear immediately) # Works on all orientations and screen sizes # No settings, No ads, No alarm # 4 different colors included (swipe left or right to change) This app makes time more real. Don’t think this is not precise enough, it takes a little getting used to. Ultimately your sense and estimation of time will improve. Perceiving time in this way comes actually from a historical perspective. Until the late eighteenth century tower clocks only had one hand, which showed the full hour. In fact, while measuring time was already important, the pace of life was definitely less frenetic compared to nowadays. Moreover, clocks had to be readable in the distance. With just one hand there was no risk to mix up hours and minute. This app follows just this design principle: it makes it easy to read at a glance from a distance. My grandfather Lucas made a beautiful clock. His clock was decorated with stars and the sun and only had one hand to indicate the hours. It inspired me to share this clock with you. Enjoy!

About

Twinkle Clock

Read full description

Twinkle Clock turns your screen into a night sky — a clock face made of twinkling stars and constellations. FREE • 12 zodiac constellations, swipe to switch • A twinkling starfield with the time overlaid on constellation lines PRO (one-time purchase) • All 88 official constellations • ~8,900 naked-eye stars across the whole sky • The Milky Way and the Moon & planets (Mercury–Saturn) • Nebulae, star clusters, and galaxies • Tap any star, the Moon, or a planet to read about it • Time Travel — pick any date and time to see what the sky looked like (or will look like) • Major meteor shower activity windows Available on iPhone, iPad, Mac, Apple TV, and Apple Vision Pro.

Screenshots

Lucas' Clock2 screens
Twinkle Clock4 screens

Verdict

The call

The clearest difference is price: Twinkle Clock at Free against Lucas' Clock's $0.99. Twinkle Clock also leads on update cadence (fortnightly vs every 5 months). Lucas' Clock's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On 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

Twinkle Clock is free to download; Lucas' Clock costs $0.99 up front. Twinkle Clock sells 1 one-off in-app purchase. Lucas' Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Lucas' Clock ships an update every 5 months, Twinkle Clock fortnightly. The most recent releases landed on August 13, 2026 and August 15, 2026 respectively.

Scorecard4 real differences · 6 level
Lucas' Clock versus Twinkle Clock: the parameters behind the verdict, then further details
ParameterLucas' ClockTwinkle Clock
Price$0.99Free — better
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS12.0 — better17.0
Further details — not scored
Size1 MB23 MB
Age rating4+4+
DeveloperThe RedHouse AppsHiroyasu Hirai

In-app purchases

None

Lucas' Clock

No in-app purchases

1 purchases

Twinkle Clock

One-time1
  • Twinkle Clock Pro$24.99

Questions

Is Lucas' Clock free?
Lucas' Clock costs $0.99, with no in-app purchases.
Is Twinkle Clock free?
Twinkle Clock is free to download, with in-app purchases available.
Do Lucas' Clock or Twinkle Clock have ads?
Neither Lucas' Clock nor Twinkle Clock shows ads.
Which is updated more often, Lucas' Clock or Twinkle Clock?
Lucas' Clock ships an update every 5 months, and Twinkle Clock fortnightly. Most recently, Lucas' Clock was updated on August 13, 2026 and Twinkle Clock on August 15, 2026.

Other comparisons