# Polar Scope Align Pro Watch vs SynScan Pro

The clearest difference is review sentiment: Polar Scope Align Pro Watch at 100% against SynScan Pro's 22%. Polar Scope Align Pro Watch also leads on rating (4.9 vs 2.6). SynScan Pro's advantage is price (Free vs $4.99) and in-app purchases (none vs 3). On ratings volume, update cadence, ads and device support there is nothing between them.

SynScan Pro is free to download; Polar Scope Align Pro Watch costs $4.99 up front. Polar Scope Align Pro Watch sells 3 one-off in-app purchases. SynScan Pro asks for nothing beyond the download.

Polar Scope Align Pro Watch holds the better App Store score, 4.9 against 2.6. Both are backed by a comparable volume of ratings — 50 and 51 respectively. Written reviews point the same way: 100% of Polar Scope Align Pro Watch's written reviews are positive against 22% of SynScan Pro's.

Polar Scope Align Pro Watch ships an update every 6 weeks, SynScan Pro every 2 months. The most recent releases landed on September 21, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Polar Scope Align Pro Watch | SynScan Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (50 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro-watch/id986082042/reviews)** | [2.6 (51 ratings)](https://appshunter.io/ios/app/synscan-pro/id1302270121/reviews) |
| Number of ratings | 50 | **51** |
| Positive reviews | **100.0% of reviews** | 21.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 34 MB | 46 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) |

## What reviewers say

### Polar Scope Align Pro Watch

[App page](https://appshunter.io/ios/app/polar-scope-align-pro-watch/id986082042)

This app provides precise polar alignment for telescopes, with or without a polar scope. It includes a comprehensive suite of astronomical tools, such as a DSO database, calculators, and mount control. An accompanying watch app offers real-time alignment data and weather information.

**Highlights:** Precise polar alignment calculation, Polar scope reticle selection, Daytime/no polarscope alignment, Deep Space Object database, Astronomical calculators, iOptron mount control, Apple Watch companion app

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip 1x | $0.99 | one-time |
| Tip 4x | $3.99 | one-time |
| Tip 10x | $9.99 | one-time |


### SynScan Pro

[App page](https://appshunter.io/ios/app/synscan-pro/id1302270121)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align Pro Watch free?

Polar Scope Align Pro Watch costs $4.99, and also offers in-app purchases.

### Is SynScan Pro free?

SynScan Pro is free to download, with no in-app purchases.

### Which has better reviews, Polar Scope Align Pro Watch or SynScan Pro?

Polar Scope Align Pro Watch is rated higher. Polar Scope Align Pro Watch averages 4.9 out of 5 from 50 ratings, while SynScan Pro averages 2.6 from 51 ratings.

### Do Polar Scope Align Pro Watch or SynScan Pro have ads?

Neither Polar Scope Align Pro Watch nor SynScan Pro shows ads.

### Which is updated more often, Polar Scope Align Pro Watch or SynScan Pro?

Polar Scope Align Pro Watch ships an update every 6 weeks, and SynScan Pro every 2 months. Most recently, Polar Scope Align Pro Watch was updated on September 21, 2026 and SynScan Pro on July 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*