Sun TimeZone vs meloClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sun TimeZone
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Timezone turns world clocks into something beautiful. Instead of a list of numbers, watch the sun’s path across a 24-hour cycle as a smooth sine wave, with your selected cities plotted directly on the curve. A dynamic sky gradient shifts from starlit night to golden sunrise to bright day, making it instantly clear who’s awake, who’s asleep, and where the sun is. INTERACTIVE TIME DIAL Drag the scrubbing dial to glide through any hour of the day. Subtle haptic ticks mark each hour, while every timezone updates in real time. Perfect for finding that sweet spot where Tokyo, London, and San Francisco overlap. SUN PATH VISUALIZATION A scientifically inspired sine wave maps the sun’s arc over 24 hours. Each city appears as a color-coded marker, so you can immediately see which locations are in daylight and which are in darkness. DYNAMIC SKY & STARS The background is a living sky that transitions from deep midnight blues to warm sunrise tones to bright daytime hues. Softly twinkling stars animate across night regions, adding depth and atmosphere. SMART CITY SEARCH Add timezones by simply searching city names like “New Delhi,” “San Francisco,” or “Tokyo”—no need for IANA identifiers. With 50+ built-in aliases, you can also browse by region or GMT offset. DESIGNED FOR APPLE Crafted with Liquid Glass materials, fluid animations, and a dark-mode-first aesthetic. The layout adapts seamlessly: a compact stacked view on iPhone and a spacious side-by-side layout on iPad. KEY FEATURES - Sun-path sine wave with color-coded timezone markers - Interactive horizontal dial with haptic feedback - Animated day-to-night sky gradient - Twinkling star field in night zones - 8 vibrant accent colors for cities - Searchable picker with 50+ city aliases - Persistent state across launches - Responsive layouts for iPhone and iPad - No ads, no accounts, no tracking Whether you're coordinating across time zones, planning a call with family abroad, or simply curious where the sun is right now—Timezone makes it intuitive, visual, and immediate.
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 in-app purchases: Sun TimeZone at none against meloClock's 2. meloClock's advantage is update cadence (every 5 days vs every 7 months). On price, ads, device support and iOS requirement 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. meloClock sells 2 in-app purchases, starting at $1.49 per month. Sun TimeZone asks for nothing beyond the download.
Sun TimeZone ships an update every 7 months, meloClock every 5 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | Sun TimeZone | meloClock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, Mac | iPhone, iPad, Mac — better |
| Requires iOS | 26.2 | 26.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Arshdeep Singh | Yuichi Sato |
In-app purchases
Sun TimeZone
No in-app purchases
meloClock
- meloClock Pro Monthly$1.491 Month
- meloClock Pro Yearly$14.991 Year









