# Polar Scope Align vs SkyPilot Astro

Polar Scope Align and SkyPilot Astro both sit at 4.7 stars, but that hides the real split: 91% of Polar Scope Align's written reviews are positive against 0% of SkyPilot Astro's. Polar Scope Align also leads on ratings volume (171 vs 7) and iOS requirement (13.0 vs 15.6). SkyPilot Astro's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Polar Scope Align sells 3 one-off in-app purchases. SkyPilot Astro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Polar Scope Align against 4.6 for SkyPilot Astro. That said, the two scores are not equally well evidenced: Polar Scope Align has 171 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 91% of Polar Scope Align's written reviews are positive against 0% of SkyPilot Astro's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Polar Scope Align | SkyPilot Astro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (171 ratings)](https://appshunter.io/ios/app/polar-scope-align/id970157965/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/skypilot-astro/id6737167032/reviews) |
| Number of ratings | **171** | 7 |
| Positive reviews | **91.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 111 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [EDUSNAP TECHNOLOGY LIMITED](https://appshunter.io/developer/1775055878) |

## What reviewers say

### Polar Scope Align

[App page](https://appshunter.io/ios/app/polar-scope-align/id970157965)

This app calculates the precise position of celestial poles in your telescope's polar scope reticle for accurate alignment. It supports a wide range of reticles and corrects for atmospheric refraction, offering precision even at lower latitudes. Features include night mode, moon phase, and astronomical databases.

**Highlights:** Polaris/Sigma Octantis position calculation, Atmospheric refraction correction, Reticle centering error correction, Supports numerous reticle types, Red-color night mode, Moon phase and astronomical databases

**Features:** 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 |

**What reviewers like**

- 🎯 Extensive reticle options for various telescope mounts
- 👍 User-friendly and intuitive interface
- 🆓 Powerful free version with no popup ads
- 🔴 Red night vision mode preserves dark adaptation
- 📍 Accurate GPS-based location detection

**What reviewers complain about**

- 🐛 Inconsistent accuracy with metal mounts/tripods
- 📱 Font size too small for comfortable reading
- 🎯 Center dot in reticle obscures precise alignment
- 📍 Limited effectiveness for southern hemisphere (Sigma Octantis is dim)
- ❓ Steep learning curve for beginners without proper guidance

**Reported bugs**

- Date and time dial do not match correctly
- GMT and LST times appear to be switched
- App crashes or fails to initialize for some users
- Alignment accuracy varies inconsistently between sessions
- Location detection issues with cell tower vs GPS

**Requested features**

- Online video tutorials demonstrating all features
- Remove or reduce center dot size in reticle
- Larger, bolder font options for better readability
- Brighter star options for southern hemisphere alignment
- Smaller ad button or ad customization


### SkyPilot Astro

[App page](https://appshunter.io/ios/app/skypilot-astro/id6737167032)

Effortlessly explore the cosmos with automatic star-seeking and calibration. Plan your stargazing sessions with real-time weather and light pollution data. Control your telescope, capture stunning images, and process them for incredible detail.

**Highlights:** Automatic star-seeking, One-step automatic calibration, Real-time weather and light pollution data, Direct telescope control, One-click GOTO celestial bodies, Intelligent image processing and stacking, High-definition photo capture

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align free?

Polar Scope Align is free to download, with in-app purchases available.

### Is SkyPilot Astro free?

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

### Which has better reviews, Polar Scope Align or SkyPilot Astro?

Polar Scope Align is rated higher. Polar Scope Align averages 4.7 out of 5 from 171 ratings, while SkyPilot Astro averages 4.6 from 7 ratings.

### Do Polar Scope Align or SkyPilot Astro have ads?

Polar Scope Align shows ads; SkyPilot Astro does not.

### Which is updated more often, Polar Scope Align or SkyPilot Astro?

Polar Scope Align ships an update every 2 months, and SkyPilot Astro every 2 months. Most recently, Polar Scope Align was updated on October 14, 2026 and SkyPilot Astro on October 7, 2026.

---

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