SynScan vs Proppo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SynScan
Control motorized telescope mounts for celestial object tracking and exploration. Features include GOTO functionality, object catalogs, and gamepad navigation. Ideal for novice users with alt-azimuth mounts.
- Control telescope mount slew, align, GOTO, and track
- Point and Track celestial objects
- Support gamepad navigation
- Browse and save celestial object catalogs
- Third-party app integration (ASCOM, SkySafari, Stellarium)
- Emulator mount for testing
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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 version of the SynScan app is suited for novice users using alt-azimuth 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.
Proppo
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Proppo is a powerful, easy-to-use Property Management System (PMS) designed for hotels, resorts, homestays, and vacation rentals. Whether you manage a single property or multiple, Proppo helps you simplify operations, boost revenue, and deliver exceptional guest experiences, all from one dashboard. Everything You Need to Run Your Property: Front Office Management: Handle check-ins, check-outs, room assignments, and guest details effortlessly. Reservation Calendar: View and manage all your bookings, online, offline, and from travel agents in one place. Rate & Inventory Control: Adjust pricing and room availability instantly across all connected channels. Multi-Property Support: Seamlessly manage multiple hotels or stays under one account. Built for Modern Hospitality: Channel Manager Integration: Connect to top OTAs and distribution platforms so you never have to update rates manually. Booking Engine: Enable direct bookings on your website and boost your online visibility. POS & Kitchen Module: Manage restaurant orders, menus, and billing directly within your PMS. Housekeeping Management: Track room status, cleaning schedules, and staff tasks in real time.
Screenshots
Verdict
The clearest difference is update cadence: Proppo at every 3 weeks against SynScan'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 ships an update every 2 months, Proppo every 3 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | SynScan | Proppo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) — better | — |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 46 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Astropower Technology Co. Ltd. | Swippy Tech |
In-app purchases
SynScan
No in-app purchases
Proppo
No in-app purchases







