ClockAPX vs Split Flap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
Split Flap
Transform your devices into a retro split-flap display. Enjoy various modes like clock, weather, messages, and timers with satisfying mechanical sounds. Customize your display with unique themes and patterns across all your Apple devices.
- Split-flap display simulation
- Multiple display modes (Clock, Weather, Message, Timer)
- Customizable themes and flip patterns
- Lock Screen and Home Screen widgets
- Cross-platform support (iPhone, iPad, Mac, Apple TV)
- Satisfying mechanical sound effects
- StandBy mode integration
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Turn any screen into a split-flap departure board. Split Flap brings the look and sound of a mechanical airport board to your iPhone, iPad, Mac and Apple TV — with one purchase and no subscription. MODES FOR EVERY MOMENT Clock — A flip clock with custom time zones, 12 or 24 hours and optional seconds. Focus Clock — A big, calm clock made for your desk or nightstand. World Clock — Up to eight cities at once, like a real departures board: LON, NYC, TYO and more. Weather — Today's conditions, high, low and chance of rain for any city, flipping onto the board. Message — Type anything and watch it flip into place letter by letter. Start from ready-made templates, add emoji, and share your board as an image. Quotes — Your favourite quotes, rotating automatically. Hide a quote or schedule it for certain hours and days. Syncs with iCloud. Music — The song and artist that's playing flips into view as your music changes. (iPhone, iPad and Mac) Timer — Countdown presets from 5 to 90 minutes, or a stopwatch. Big digits you can read across the room. Paint — 43 colour patterns, from flags to gradients, plus a pixel editor to paint your own. Put text over a pattern for a colourful sign. ON YOUR LOCK SCREEN AND HOME SCREEN A Lock Screen flip clock with seconds that keep ticking, a sweeping minute ring and quotes on real flap tiles. Home Screen widgets for the clock, quotes, messages, timer and colour patterns, and StandBy when your phone charges on its side. A running timer counts down live in the Dynamic Island and on the Lock Screen. EVERY SCREEN YOU OWN iPhone, iPad, Mac and Apple TV, each built for the device. Apple TV has a Top Shelf that plays the board right on your Home Screen. Mac has desktop widgets, a menu bar clock and a screen saver. iPhone Duo gets a Nightstand clock when half folded. LOOK AND FEEL 9 colour themes including Neon and Confetti, light and dark boards, and 10+ flip patterns — spiral, matrix, snake and more — that control how the board reveals new content. Bedtime auto-dim keeps it gentle at night. SOUNDS THAT SATISFY Three sound themes — Mechanical, Typewriter and Soft — synthesised to match the animation. Every clack lands at the moment each flap snaps into place. HANDS-FREE Siri and Shortcuts can show the clock, post a message, start a timer or switch modes. Send to Apple TV posts a message from your iPhone straight to the board on your TV. ONE PURCHASE. EVERY PLATFORM. One purchase unlocks premium on iPhone, iPad, Mac and Apple TV. No subscription. No ads.
Screenshots
Verdict
The clearest difference is ads: Split Flap at none against ClockAPX's shown. Split Flap also leads on device support (4 vs 1) and iOS requirement (17.0 vs 26.2). On price 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
Both are free to download. ClockAPX sells 3 in-app purchases, starting at $1.99 per month and Split Flap sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | ClockAPX | Split Flap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 26.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Joonwoo Kim | Hello Good Day LLC |
In-app purchases
ClockAPX
- ClockAPX Plus Monthly$1.991 Month
- ClockAPX Plus Yearly$9.991 Year
- ClockAPX Plus Lifetime$14.99
Split Flap
- SplitFlap Premium$1.99









