SkySync vs Askar Astro Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkySync
This app helps you discover and track celestial events like meteor showers and eclipses. It provides countdown timers and customizable notifications so you never miss an opportunity to stargaze. It also features a dark sky finder to locate optimal viewing spots.
- Event calendar (meteor showers, eclipses, moons, comets)
- Countdown timers to events
- Customizable notifications
- Dark sky finder with Bortle scale
- Minimalist nighttime design
- No account required
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SkySync tracks upcoming cosmic events and alerts you before they happen — so you're always ready to look up. Features: * Full event calendar: meteor showers, eclipses, full & new moons, comets, planet oppositions, and satellites * Countdown timers to every upcoming event * Custom notifications — get alerted 1 hour, 1 day, 3 days, or 1 week ahead * Dark sky finder — locate the best stargazing spots near you with Bortle scale ratings * Clean, minimal design built for nighttime use No account required. No ads. Just the sky.
Askar Astro Controller
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As the core companion for the Askar WAF, the Askar APP offers a high-precision focusing solution for both visual astronomy and deep-sky imaging. Paired with the Askar APP, the WAF offers accurate, responsive focusing with fine step control and instant stop. Travel and step size are independently adjustable – focus in one tap. The APP offers flexible device management – rename and group your devices with ease. Step parameters and travel reverse are also adjustable, so you can tailor the focusing experience to your own workflow. The APP is currently fully optimized for the WAF. Our development team will continue to release regular updates, gradually introducing support for filter wheels, rotators, and other smart astronomy devices. By continuously expanding device compatibility, the APP aims to deliver integrated, intelligent control over a full range of astronomy accessories, providing users with a more comprehensive and efficient solution for smart astrophotography.
Screenshots
Verdict
The clearest difference is update cadence: Askar Astro Controller at daily against SkySync's weekly. 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. Neither carries in-app purchases, so what you see is what you pay.
SkySync ships an update weekly, Askar Astro Controller daily. Both last shipped on October 31, 2026.
| Parameter | SkySync | Askar Astro Controller |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 106 MB |
| Age rating | 4+ | 4+ |
| Developer | KAHLESON MILES BLANCHARD | Jiaxing Ruixing Optical Instrument Co., Ltd. |
In-app purchases
SkySync
No in-app purchases
Askar Astro Controller
No in-app purchases
Questions
Is SkySync free?
Is Askar Astro Controller free?
Do SkySync or Askar Astro Controller have ads?
Which is updated more often, SkySync or Askar Astro Controller?
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