SkyChrono vs toki
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyChrono
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SkyChrono is a real-time astronomical dashboard for anyone who plans around the sky—astronomers, astrophotographers, navigators, and curious stargazers. SUN • Live altitude & azimuth • Sunrise, sunset, and solar noon • Civil / nautical / astronomical twilight • Current lighting state (day, twilight, night) + day length MOON • Current phase with illumination % • Moonrise & moonset • Live altitude & azimuth • Phase progression at a glance TIME SYSTEMS • Local time + timezone • UTC • Julian Date (JD) / Modified Julian Date (MJD) • Greenwich Mean Sidereal Time (GMST) • Local Sidereal Time (LST) LOCATION • Automatic GPS position (optional) • Manual coordinates anywhere on Earth • Decimal degrees or DMS input ALERTS & NIGHT MODE • Notifications for sunrise/sunset, twilight boundaries, golden hour, and major moon phases • Night Vision mode (red theme) to preserve dark adaptation EXPORT & LEARN • Save the dashboard as a high-resolution image • Export data as JSON, or copy any value with a tap • Built-in explanations for key astronomy concepts PRIVACY FIRST • No ads, no subscriptions • No tracking—your location stays on device • Manual location mode for complete control SkyChrono helps you pick the right moment—whether you’re planning a shoot, observing, or learning celestial mechanics.
toki
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Time, reimagined. toki is a physics-powered clock app that turns telling time into a visual experience. Colorful objects spawn every second, interact with clock hands, and respond to gravity — all in real time. Three modes in one app: ・Clock — your daily timepiece with a playful twist ・Timer — set a countdown and watch objects fill the dial ・Stopwatch — track elapsed time with a living display Tap the screen to send objects flying. Swipe to switch between multiple color themes. Every interaction feels alive with haptic feedback and fluid animations. No ads. No accounts. Everything runs on your device.
Screenshots
Verdict
The clearest difference is device support: toki at 3 against SkyChrono's 1. toki also leads on iOS requirement (15.1 vs 18.0). On price, ads 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 | SkyChrono | toki |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Bian Dhoan Kwik | Sosuke Itto |
In-app purchases
SkyChrono
No in-app purchases
toki
No in-app purchases









