Comparison

ClockAPX vs Lumitron

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

Head to head
About

ClockAPX

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ClockAPX turns your iPhone into a customizable clock studio for TVs and external displays. Pick a clock face, tune the look, and mirror it in real time for desks, studios, classrooms, and focus sessions. What you can do - Mirror your selected clock to a TV or external display with live updates - Choose from a large library of clock faces across digital, analog, world clock, and timer styles - Run timers your way: Countdown, Stopwatch, Interval/HIIT, and Pomodoro Ring - Add world clocks and reorder time zones for global teams and travel - Personalize typography, 24-hour format, seconds/date visibility, and layout details - Style backgrounds with palettes, photos, symbols, and custom color controls - Enable context-aware face switching for Day, Night, and Work - Use display-focused options like always-on optimization and burn-in safe shift Start free with a limited set of designs and themes. Upgrade to Premium to unlock the full design and appearance library (subscription and lifetime options available). Privacy Policy: https://github.com/kjwamlex/ClockAPX-Privacy-Policy/blob/main/README.md End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Lumitron

Features
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Lumitron turns any screen into a full-screen retro clock - and nothing else. No status bar. No navigation buttons. No browser address bar, no home indicator, no window frame, no menu. Open Lumitron and the only thing left on your screen is the time. EIGHT REAL DISPLAY TECHNOLOGIES Every theme recreates the physics of an actual historic display, not just a different font color: - LCD - familiar liquid-crystal segments, including the classic grey-green look - LED - vintage red glow, plus white, green, amber and blue variants - CRT - cathode-ray tube look with soft glow and scanlines - VFD - vacuum fluorescent display with its signature blue-green light - Nixie - neon glow-discharge tubes in warm orange-red - Panaplex - flat neon seven-segment displays - Numitron - incandescent filament digits, steady warm light, no flicker - Electroluminescent (EL) - glowing teal EL panel AUTHENTIC PHYSICAL EFFECTS Glow, bloom, ghost segments, fine scan lines and vignette, segment grids, gentle flicker - each effect recreated for the technology it belongs to, and each one can be switched on or off. MAKE IT YOURS - Color variants within every display technology - 12-hour or 24-hour format - Show or hide seconds - Adjustable digit size, from compact to full screen - Thin, regular or bold weight - Authentic seven-segment DSEG7 font TIME, YOUR WAY - System time - accurate, always in sync - Custom time - set any hour, minute and second - Frozen time - lock the display at a chosen moment, perfect for photos or a shop window display ALWAYS ON While Lumitron is open, the screen stays awake - no dimming, no sleep. Leave it running as a bedside clock, a desk display, or a second-screen companion. LEARN AS YOU LOOK Each display technology comes with a short explanation of how it works and why it looks the way it does. ONE TAP, NOTHING ELSE Settings open with a single tap anywhere on screen, and close the same way. In normal view there isn't a single button visible - just the clock. Lumitron is exactly what it looks like: a clock. There's no alarm, no timer and no date - just an honest, true full-screen digital clock built around eight real display technologies.

Screenshots

ClockAPX4 screens
Lumitron4 screens

Verdict

The call

The clearest difference is in-app purchases: Lumitron at none against ClockAPX's 3. Lumitron also leads on ads (none vs shown) and iOS requirement (18.2 vs 26.2). On price and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ClockAPX sells 3 in-app purchases, starting at $1.99 per month. Lumitron asks for nothing beyond the download.

Scorecard3 real differences ยท 2 level
ClockAPX versus Lumitron: the parameters behind the verdict, then further details
ParameterClockAPXLumitron
PriceFreeFree
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS26.218.2 โ€” better
Further details โ€” not scored
Size13 MB24 MB
Age rating4+4+
DeveloperJoonwoo KimNikolai Emelianov

In-app purchases

3 purchases

ClockAPX

Subscriptions2
  • ClockAPX Plus Monthly$1.991 Month
  • ClockAPX Plus Yearly$9.991 Year
One-time1
  • ClockAPX Plus Lifetime$14.99
None

Lumitron

No in-app purchases

Questions

Is ClockAPX free?
ClockAPX is free to download, with in-app purchases available.
Is Lumitron free?
Lumitron is free to download, with no in-app purchases.
Do ClockAPX or Lumitron have ads?
ClockAPX shows ads; Lumitron does not.

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