SynScan Pro vs EKCMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
EKCMS
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Electronic Knowledge and Content Management System (EKCMS) is an integrated system that is designed to help you organize, manage and share information in any form, be it physical or digital. You can choose how open you want your library to be. EKCMS is a web-based application so you can access it anytime anywhere using any device with an Internet connection. Incorporates the latest developments in AI & Data Analytics that seamlessly delivers what you want and need in an instant. Utilize multiple applications with only one login! Say goodbye to having to remember multiple usernames and passwords.
Screenshots
Verdict
The clearest difference is update cadence: EKCMS at every 9 days against SynScan Pro's every 2 months. 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.
SynScan Pro ships an update every 2 months, EKCMS every 9 days. Both last shipped on November 4, 2026.
| Parameter | SynScan Pro | EKCMS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (56 ratings) — better | — |
| Positive reviews | 21.5% of reviews | — |
| Number of ratings | 56 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 46 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Astropower Technology Co. Ltd. | ELECTRIC LIBRARY (MALAYSIA) SDN. BHD. |
In-app purchases
SynScan Pro
No in-app purchases
EKCMS
No in-app purchases









