Big Countdown vs Sundial World Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Countdown
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Big Countdown is your ultimate companion for tracking the days leading up to your significant events. Whether it's a birthday, holiday, or special occasion, stay informed and excited right on your iPad/iPhone.
Sundial World Clock
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Sundial is a quiet, beautifully drawn world clock for people who care about time. A grid of analog faces, one per city. Watch noon sweep across the planet on a single stage — no clutter, no popups, no upsells. KEY FEATURES • Live analog clock face for every city you add • Day and night ring so a glance tells you whether it is morning, noon or midnight • Brass-on-navy aesthetic inspired by an old solar sundial • Tap any face to see a large, detail view with seconds • Pick from a curated set of themes • Settings for second hand, minute ticks and 12/24 hour • 100% on-device, no accounts, no network calls DESIGNED FOR FOCUS Sundial sits between a watch face and a travel app — perfect for remote teams, frequent flyers, traders, and anyone who has ever asked "what time is it there right now?" PRIVACY No tracking. No accounts. Your saved cities live on your device.
Screenshots
Verdict
The clearest difference is device support: Big Countdown at 3 against Sundial World Clock's 1. Big Countdown also leads on iOS requirement (12.0 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Big Countdown | Sundial World Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Pierre Ramoin | Linh Phan Nhat Khanh |
In-app purchases
Big Countdown
No in-app purchases
Sundial World Clock
No in-app purchases
Questions
Is Big Countdown free?
Is Sundial World Clock free?
Other comparisons
