Comparison

ZenTime 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

ZenTime

This app offers a full-screen digital clock with customizable themes and fonts, ideal for nighttime use. It includes time management tools like Pomodoro timers, countdowns, and a stopwatch, along with a convenient double-tap flashlight feature. Enjoy a tranquil and productive experience without ads.

Highlights
  • Full-screen digital clock
  • Customizable themes and fonts
  • Pomodoro timer with statistics
  • Countdown and stopwatch functions
  • Double-tap flashlight
  • Brightness adjustment
Features
Read full description

This is a full-screen multi-theme digital clock. Not only is it feature-rich with time management tools like timers, Pomodoro, and countdowns, but it also serves as an elegant desktop companion during your reading, work, or study sessions. Its performance excels at night; it brings you a sense of tranquility. You can customize the clock color and font to match your device's theme. You can swipe up/down to adjust screen brightness and double-tap to instantly activate the flashlight. When you need focused study or work time, using this app adds exceptional value. Features: Full-screen display of current time with minimalist digital clock. Swipe up/down to directly adjust brightness, protecting your visual health. Freely switch between 12/24-hour formats. Customize display of weekday/date. Shows seconds. Compatible with all screen orientations. Multiple theme colors and hundreds of clock fonts available, ensuring harmony between screen and ambient light. Unique double-tap flashlight: No more fumbling in the dark during nighttime trips—gently tap the screen twice to instantly illuminate your path with soft light. Countdown: Perfectly time baking sessions or meeting presentations. Add a time ruler to every event. Stopwatch: Record durations for tasks, tracking the passage of time. Pomodoro Timer: Comprehensive Pomodoro functionality supporting short breaks and long breaks. Boost daily productivity and reduce mental fatigue. Pomodoro Statistics: Detailed records of each Pomodoro session with chart analysis to optimize your workflow. Countdowns: Never miss upcoming events. Countdown reminders help you remember all important dates. Clock Widget: Currently offers a simple clock widget, with more components continuously added in future updates. Ad-free purity: This app is primarily passion-driven, originally developed as a night clock for personal use. No ads will ever be added. Beyond basic free features, all premium features require a one-time purchase. Prices may increase with future additions—buy early to enjoy lifetime access to all upcoming features at no extra cost. The app does not collect any of your data—use with confidence. Notes: Configure shortcuts to automatically launch the app when charging. Screen will not auto-lock while the app is open. Standby mode (always-on display) is not yet supported but will be added in future updates.

About

Twinkle Clock

Features
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

ZenTime4 screens
Twinkle Clock4 screens

Verdict

The call

The clearest difference is update cadence: Twinkle Clock at every 3 weeks against ZenTime's every 2 months. Twinkle Clock also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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. ZenTime sells 1 one-off in-app purchase and Twinkle Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ZenTime ships an update every 2 months, Twinkle Clock every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
ZenTime versus Twinkle Clock: the parameters behind the verdict, then further details
ParameterZenTimeTwinkle Clock
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, Mac, Vision Pro — better
Requires iOS17.617.0 — better
Further details — not scored
Size7 MB23 MB
Age rating4+4+
Developer婷 董Hiroyasu Hirai

In-app purchases

1 purchases

ZenTime

One-time1
  • Lifetime Subscription$2.99
1 purchases

Twinkle Clock

One-time1
  • Twinkle Clock Pro$24.99

Questions

Is ZenTime free?
ZenTime is free to download, with in-app purchases available.
Is Twinkle Clock free?
Twinkle Clock is free to download, with in-app purchases available.
Do ZenTime or Twinkle Clock have ads?
Neither ZenTime nor Twinkle Clock shows ads.
Which is updated more often, ZenTime or Twinkle Clock?
ZenTime ships an update every 2 months, and Twinkle Clock every 3 weeks. Most recently, ZenTime was updated on October 26, 2026 and Twinkle Clock on October 27, 2026.

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