Comparison

Air Clock vs Clackboard

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

Head to head
About

Air Clock

Enhance your device with a visually stunning and ad-free clock experience. Customize themes, add dynamic photo displays, and utilize integrated widgets for time management. Includes a Pomodoro timer and auditory cues for productivity.

Highlights
  • Ad-free full-screen display
  • Customizable themes and colors
  • Dynamic photo clock integration
  • Multiple widget types (clock, calendar, countdown)
  • Focus Pomodoro timer
  • Auditory and voice chimes
Features
Read full description

◆ Pure and Ad-Free A full-screen, immersive experience with zero ads—every tick of the second hand glides smoothly across the screen. Whether you're stealing a glance while working or lazily checking the time before bed, what you see is pure and uninterrupted. ◆ Time Gallery A customizable dynamic photo clock that lets memories from the past accompany the passing of the present. ◆ Your Personal Time Aesthetics Studio Over 60 custom themes and counting. Freely mix and match styles and colors—turn time display into a piece of art on your home screen. ◆ 20+ Fun Widgets to Meet All Your Needs From cute cat paw widgets to sleek transparent designs, whether you need a clock, calendar, countdown, or pixel art, everything integrates seamlessly into your main screen—making time management simple and intuitive. ◆ Focus Pomodoro Timer A powerful Pomodoro and multi-purpose timer perfect for work, study, fitness, cooking, and more. Plan precisely and balance focus with rest for optimal productivity. ◆ Beautiful Interface and Intuitive Interactions Say goodbye to dull designs. Every detail—from fonts and colors to animations and transitions—has been carefully crafted to make checking the time a visual pleasure. ◆ A Symphony for the Senses Choose from ticking sounds, Big Ben chimes, wood block taps, and more. Feel the rhythm of time in a whole new way. ◆ Real Voice Hourly Chime Elegant, real-human voice chimes help you stay aware of time even when you're busy. Let each hour pass with a gentle reminder, turning time into a thoughtful companion. Become an Air Clock member to unlock all premium features—enjoy a completely ad-free experience, free lifetime updates, and the feeling of time flowing effortlessly by your side, like air itself. Every moment deserves to be treated gently. With borderless design, Air Clock blends naturally into your life. We believe managing time shouldn’t be a race—it should be a graceful experience. Let us help you find that perfect balance between efficiency and elegance. Privacy Policy: https://airx.work/privacy.html User Agreement: https://airx.work/terms.html

About

Clackboard

Features
Read full description

A real split-flap board on your iPhone: flip clock, message board, countdown and scoreboard in one. Every flap falls with gravity, catches the light, casts a shadow, hits the stop and bounces – just like the departure boards at the station. IPHONE DUO Your iPhone Duo becomes a bedside clock, and Clackboard works out how it is standing. Half-folded on a table, the clock stands on the upper half with a reflection below. Propped half-open on its edges, like a book stood up, the left side shows the hours and the right side the minutes, and the fold stays clear. As a tent, the clock uses the full width of the outer display. In the night hours the board turns amber, with no clacking and no seconds; on a table the lying half is a dimmer – swipe up or down. Without a charger, a quiet notice appears below 20 % battery. You can switch the night light off in Settings. With Pro, the Duo also shows a second time zone, one clock per half, and becomes a scoreboard pad: on the lying half each team gets a big field – tap for +1, swipe up for −1; propped on its edges, Home is on the left and Guest on the right. Nothing changes on other iPhone models. CLOCK Stand your iPhone sideways on its charger and it becomes a split-flap desk clock. 12 or 24 hours, with seconds and date. At night the board can dim by itself. MESSAGE "Coffee?", "Do not disturb", "Delayed by about 5 min" – type what the board should say and watch every flap run through the alphabet until your text stands. COUNTDOWN How long until your vacation, a birthday or the end of the workday? The board keeps count. SCOREBOARD Table tennis in the garden, the match on TV, a game night: two teams, their names, points and sets. Tap or swipe down for a point, pull the flap back up to take it away – every point is one flap. WIDGETS & STANDBY The clock, your message and your countdown on the Home Screen and in StandBy, the countdown also on the Lock Screen – your iPhone on the charger becomes a split-flap clock. IPHONE & IPAD One purchase for both. An iPad on the desk or on the wall makes a big departure board. ON THE BIG SCREEN Mirror your iPhone to the TV with AirPlay or a cable, and the whole room can read the board. DELUXE IN 3D Real plastic flaps, rendered live in 3D: light, shadows, reflections and a little wear, like a board that has hung in a station for years. DESIGNS Deluxe, Station, Airport, Night Train, Retro, Brass, Signal Red, White and Terminal. Pick one from the menu – swipe sideways to switch between clock, message, countdown and scoreboard. CLACKBOARD PRO – BUY ONCE, KEEP FOREVER • 8 more designs, including Deluxe in 3D • Countdown, also as a widget • Scoreboard with your own team names, also as a pad on iPhone Duo • Second time zone on the clock • Your own messages on rotation • Video clips with sound and high-res images • No subscription, Family Sharing included No ads. No account. No data collected.

Screenshots

Air Clock4 screens
Clackboard4 screens

Verdict

The call

The clearest difference is device support: Air Clock at 4 against Clackboard's 2. Air Clock also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases 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. Air Clock sells 3 in-app purchases, starting at $0.39 per month and Clackboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Air Clock ships an update fortnightly, Clackboard every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Air Clock versus Clackboard: the parameters behind the verdict, then further details
ParameterAir ClockClackboard
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size43 MB4 MB
Age rating4+4+
Developer志远 冯Kris Pierre Ludemann

In-app purchases

3 purchases

Air Clock

Subscriptions2
  • Pro Monthly Membership$0.391 Month
  • Pro Annual Membership7 Days trial$2.001 Year
One-time1
  • Pro Lifetime Membership$4.99
1 purchases

Clackboard

One-time1
  • Clackboard Pro$2.99

Questions

Is Air Clock free?
Air Clock is free to download, with in-app purchases available.
Is Clackboard free?
Clackboard is free to download, with in-app purchases available.
Do Air Clock or Clackboard have ads?
Neither Air Clock nor Clackboard shows ads.
Which is updated more often, Air Clock or Clackboard?
Air Clock ships an update fortnightly, and Clackboard every 2 weeks. Most recently, Air Clock was updated on November 4, 2026 and Clackboard on October 31, 2026.

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