ZoneSync vs meloClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZoneSync
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Stay connected across every time zone. ZoneSync helps remote teams, digital nomads, and international professionals manage contacts worldwide, find the perfect meeting time, and keep their global schedule in sync. WORLD CLOCK FOR YOUR CONTACTS Add contacts from any time zone and instantly see their local time. Import from your phone's contacts or add manually. Color-code, tag, and favorite your key people. Filter by who's currently working or offline with one tap. SMART MEETING FINDER Stop guessing. ZoneSync scores every possible meeting slot from 0 to 100 so you always pick the best overlap — not just any overlap. Choose participants, set duration (30 min to 2 hours), select a date range, and get ranked results instantly. Skip weekends automatically. CALENDAR WITH TIMEZONE CONVERSION View your iOS calendar events with instant time zone conversion for every contact. Switch between list, grid, and timeline views. Schedule timezone-aware meetings directly from the app. ANALYTICS & WORK HOURS HEATMAP Visualize your team's availability on a 24×7 heatmap. Discover peak overlap hours, find the best time to reach everyone, and understand timezone diversity across all your contacts. HOME SCREEN WIDGETS Keep world clocks visible with beautiful widgets. Small widget shows one contact's time, medium widget displays up to 6 favorites — all with live updates every 15 minutes. ZONESYNC PREMIUM • Unlimited contacts (free: up to 3) • Extended Meeting Finder with wider date range • Advanced analytics for 50+ contacts • iCloud sync across all your devices • All future premium features included Clean, beautiful design. Light and dark themes. No ads, no tracking. Your data stays private with optional iCloud backup. $2.99/month | $24.99/year (3-day free trial, save 30%) Download ZoneSync — make time zones simple. Privacy Policy: https://mruat06-arch.github.io/app-policies/zonesync/privacy.html Terms of Use: https://mruat06-arch.github.io/app-policies/zonesync/terms.html
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 iOS requirement: ZoneSync at 17.6 against meloClock's 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. ZoneSync sells 2 in-app purchases, starting at $2.99 per month 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.
| Parameter | ZoneSync | meloClock |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Murat Can CICEK | Yuichi Sato |
In-app purchases
ZoneSync
- ZoneSync Premium$2.991 Month
- ZoneSync Premium3 Days trial$24.991 Year
meloClock
- meloClock Pro Monthly$1.491 Month
- meloClock Pro Yearly$14.991 Year









