Shadowline vs meloClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shadowline
Visualize time zones with elegant clock faces or a single 24-hour dial. Plan meetings, manage jet lag with science-based advice, and view a live day & night map. Widgets offer at-a-glance city times.
- World clocks with customizable themes
- 24-hour dial for at-a-glance time comparison
- Meeting planner with calendar integration
- Jet lag adjustment plans
- Live day & night map with moon phase
- Home and Lock Screen widgets
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Shadowline turns time zones into something you can actually see. Track the cities that matter to you, then read them at a glance — as elegant clock faces, or on a single 24-hour dial where every city sits on one ring so you instantly see who's awake, who's asleep, and the hours you overlap. FEATURES • World clocks — Add any city on Earth and see its time, day or night, and offset from you. Reorder, rename, and theme each one. • 24-hour dial — All your cities on one circular timeline. Drag to scrub through the day and find a time that works everywhere. • Meeting planner — Swipe through upcoming hours and watch every city update together. Found a slot? Add it straight to your calendar. • JetLag IQ — Heading somewhere new? Get a simple, science-based plan to shift your body clock and land ready. • Day & night map — A live world map with the real sunlight terminator, plus sunrise, sunset, and moon phase. • Widgets — Put your favorite cities and the dial on your Home and Lock Screen in styles that match your look. Everything runs entirely on your device. No account, no ads, no tracking — your cities and settings never leave your phone. SHADOWLINE PRO Free to use with up to three cities. Unlock Shadowline Pro once — a single $2.49 purchase, no subscription — for unlimited cities, every widget style, and import/export. Yours forever.
meloClock
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This is what 15:35 sounds like. meloClock is a digital clock that turns the digits of the current time into scale degrees, staff notation, and melody. With practice, you may even recognize the current time just by listening. Tap the digits or notes, and the clock becomes a small instrument. Use everyday glances at the time as a playful part of ear training. Using meloClock as a clock is completely free, with no ads. For those who want to explore ear training and customization further, meloClock Pro is also available. ■ A clock for your everyday space ・A large digital clock designed for landscape display ・Optional date, weekday, and staff notation ・Customizable fonts, weights, and display styles ・Available on iPhone, iPad, and Mac ■ Hear and play the time ・See the current time as notes on a staff ・Play the time as a melodic chime ・Tap the time, date, or notes to make music ・Repeat melody chimes at your chosen interval ■ For ear training, too Play while watching how digits, scale degrees, and notes correspond, or listen while following the melody on the staff. meloClock is useful as a clock and enjoyable as a small musical instrument. ■ meloClock Pro An optional upgrade for exploring ear training and customization further. With the same Apple Account, one subscription unlocks Pro on iPhone, iPad, and Mac. meloClock has no ads and does not collect usage data. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Shadowline at every 2 days against meloClock's every 5 days. Shadowline also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases 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
Both are free to download. Shadowline sells 1 one-off in-app purchase and meloClock sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.
Shadowline ships an update every 2 days, meloClock every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Shadowline | meloClock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 40 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | KKB CoRi Technologies Private Limited | Yuichi Sato |
In-app purchases
Shadowline
- Shadowline Pro$2.49
meloClock
- meloClock Pro Monthly$1.491 Month
- meloClock Pro Yearly$14.991 Year









