# Polar Scope Align Pro vs AstroVitals

The clearest difference is review sentiment: Polar Scope Align Pro at 97% against AstroVitals's 50%. Polar Scope Align Pro also leads on rating (4.9 vs 3.7) and ratings volume (310 vs 3). AstroVitals's advantage is price (Free vs $4.99) and update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

AstroVitals is free to download; Polar Scope Align Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polar Scope Align Pro holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: Polar Scope Align Pro has 310 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 97% of Polar Scope Align Pro's written reviews are positive against 50% of AstroVitals's.

Polar Scope Align Pro ships an update every 2 months, AstroVitals every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Polar Scope Align Pro | AstroVitals |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (310 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/astrovitals/id6789724589/reviews) |
| Number of ratings | **310** | 3 |
| Positive reviews | **96.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#194** | — |
| Size | 33 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [MAXIMILIAN BOTEV](https://appshunter.io/developer/6789724591) |

## What reviewers say

### Polar Scope Align Pro

[App page](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373)

**Currently charting:** #194 Top Paid · Utilities (US App Store)

This app assists astronomers with precise polar alignment for telescopes, offering tools for various reticles and low-latitude accuracy. It also includes a comprehensive suite of astro tools, from object databases to calculators and weather reports.

**Highlights:** Accurate polar alignment calculation, Support for numerous polar scope reticles, Daytime/no polarscope alignment tool, Deep Space Object database, Astrophotography calculators, World astro-weather report

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Best Polar Alignment App
- 👍 Detailed Instructions and Explanations
- 👍 Fantastic App with Many Useful Features
- 👍 Intuitive and No Distractions
- 👍 Comprehensive Astronomy App

**What reviewers complain about**

- 🐛 Compass Inaccurate
- 🐛 Location Data Inaccurate

**Reported bugs**

- Weather Updates Not Working
- Compass Deflected by Mount

**Requested features**

- Add Observation Recording Feature
- Add Push To Option for DSO Objects


### AstroVitals

[App page](https://appshunter.io/ios/app/astrovitals/id6789724589)

Monitor your telescope's vital signs remotely from your iPhone, iPad, or Apple Watch. View guiding, focus, image quality, and sequence progress on a glanceable dashboard. Receive smart alerts and optionally control your imaging session.

**Highlights:** Live guiding graphs and stability scores, Autofocus V-curve visualization, Full sequence tree with progress, 3D mount position and target altitude, Apple Watch app and complications, Home and lock screen widgets, Smart alerts for image quality and guiding

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align Pro free?

Polar Scope Align Pro costs $4.99, with no in-app purchases.

### Is AstroVitals free?

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

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

Polar Scope Align Pro is rated higher. Polar Scope Align Pro averages 4.9 out of 5 from 310 ratings, while AstroVitals averages 3.7 from 3 ratings.

### Do Polar Scope Align Pro or AstroVitals have ads?

Neither Polar Scope Align Pro nor AstroVitals shows ads.

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

Polar Scope Align Pro ships an update every 2 months, and AstroVitals every 3 weeks. Most recently, Polar Scope Align Pro was updated on November 11, 2026 and AstroVitals on October 31, 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.*