Comparison

SynScan Pro vs SkyOrSkip

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SynScan Pro

Control motorized telescope mounts for celestial observation and astrophotography. Features include precise slewing, alignment, GOTO, and tracking of stars, planets, and deep-sky objects. Supports advanced functions like polar alignment and camera triggering.

Highlights
  • Control telescope mount (slew, align, GOTO, track)
  • Point and Track celestial objects
  • Gamepad navigation support
  • Catalog of celestial objects
  • Third-party app integration (ASCOM, SkySafari)
  • Polar alignment (with or without polar scope)
  • Camera shutter release control
Features
Read full description

Use the SynScan app to control Sky-Watcher telescope mounts via Wi-Fi or Bluetooth LE. Mounts without built-in Wi-Fi can be supported via a SynScan Wi-Fi adapter. This is the Pro version of the SynScan app and contains features suited for expert users using equatorial mounts. Features - Control telescope mount to slew, align, GOTO and track. - Point And Track: track celestial objects (including the Sun and planets) without aligning. - Support gamepad navigation. - Browse a catalog of stars, comets, and deep sky objects. Or, save your own objects. - Provide access to mount for use by third-party apps, including ASCOM clients, SkySafari, Luminos, Stellarium Mobile Plus, Stellarium Desktop or customer-developed apps. Also set up mount alignment for Luminos, Skysafari. - Support access to the mount and the SynScan app from any platform that supports TCP/UDP connections. - Provide emulator mount for testing and practicing. - Track fast-moving earth satellites by working with the PreviSat app on Windows PC or the Lumios app on iOS devices. - Perform polar alignment with or without a polar scope. - Control shutter release (SNAP) port to trigger an attached camera. (Requires mount with SNAP port and adapter cable that matches camera.) - Use ASCOM to perform autoguiding on mounts that do not have autoguider (ST-4) port. - Other mount controls: auto home, PPEC, park.

About

SkyOrSkip

Features
Read full description

SKY or SKIP? SkyOrSkip helps you make a fast decision about tonight’s stargazing. Choose your observing location and equipment—naked eye, binoculars, or telescope—and get a clear GO, SHORT, SKIP, or NO DATA signal. When conditions support observing, the app shows the best continuous observing window and up to three suggested targets suited to your setup. Built for a quick check before you head outside: • Local hourly weather and astronomical darkness • GO / SHORT / SKIP / NO DATA decision signal • Best continuous observing window in the main app • Up to three visible target suggestions for your equipment • Current location or manual place search • Home Screen widget for an at-a-glance signal • Standard and red observation modes • English and Simplified Chinese • Three-night outlook with nightly weather details and a best-night recommendation SkyOrSkip is for observation planning only. Weather and astronomical conditions can change; always use your own judgment and follow local conditions.

Screenshots

SynScan Pro4 screens
SkyOrSkip4 screens

Verdict

The call

The clearest difference is update cadence: SkyOrSkip at every 9 days against SynScan Pro's every 2 months. SynScan Pro's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SynScan Pro ships an update every 2 months, SkyOrSkip every 9 days. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
SynScan Pro versus SkyOrSkip: the parameters behind the verdict, then further details
ParameterSynScan ProSkyOrSkip
PriceFreeFree
Rating2.7 (56 ratings) — better—
Positive reviews21.5% of reviews—
Number of ratings56 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size46 MB21 MB
Age rating4+4+
DeveloperAstropower Technology Co. Ltd.EDUSNAP TECHNOLOGY LIMITED

In-app purchases

None

SynScan Pro

No in-app purchases

None

SkyOrSkip

No in-app purchases

Questions

Is SynScan Pro free?
SynScan Pro is free to download, with no in-app purchases.
Is SkyOrSkip free?
SkyOrSkip is free to download, with no in-app purchases.
Do SynScan Pro or SkyOrSkip have ads?
Neither SynScan Pro nor SkyOrSkip shows ads.
Which is updated more often, SynScan Pro or SkyOrSkip?
SynScan Pro ships an update every 2 months, and SkyOrSkip every 9 days. Most recently, SynScan Pro was updated on October 23, 2026 and SkyOrSkip on October 16, 2026.

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