# Polar Scope Align vs EclipseGo

The clearest difference is ads: EclipseGo at none against Polar Scope Align's shown. EclipseGo also leads on rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 2 months). Polar Scope Align's advantage is ratings volume (171 vs 2) and device support (3 vs 1). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Polar Scope Align sells 3 one-off in-app purchases and EclipseGo sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

EclipseGo holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Polar Scope Align has 171 ratings behind it against 2, so its average is the more settled of the two.

Polar Scope Align ships an update every 2 months, EclipseGo every 3 weeks. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Polar Scope Align | EclipseGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (171 ratings)](https://appshunter.io/ios/app/polar-scope-align/id970157965/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eclipsego-2026-total-eclipse/id6479233677/reviews)** |
| Number of ratings | **171** | 2 |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 44 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Garafa, LLC](https://appshunter.io/developer/284829377) |

## 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


### EclipseGo

[App page](https://appshunter.io/ios/app/eclipsego-2026-total-eclipse/id6479233677)

This app helps you find and share details about the 2024 Total Eclipse for any location. It provides information on eclipse type, key timings, maximum coverage, and duration. An optional upgrade offers favoriting locations and a countdown timer.

**Highlights:** Eclipse type identification, Key moment timings, Max partial eclipse coverage, Total eclipse duration, Location sharing, Favorite locations (Pro), Countdown timer (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2026 Eclipse Cloud Cover | $3.99 | one-time |
| Pro Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Polar Scope Align free?

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

### Is EclipseGo free?

EclipseGo is free to download, with in-app purchases available.

### Which has better reviews, Polar Scope Align or EclipseGo?

EclipseGo is rated higher. Polar Scope Align averages 4.7 out of 5 from 171 ratings, while EclipseGo averages 5.0 from 2 ratings.

### Do Polar Scope Align or EclipseGo have ads?

Polar Scope Align shows ads; EclipseGo does not.

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

Polar Scope Align ships an update every 2 months, and EclipseGo every 3 weeks. Most recently, Polar Scope Align was updated on September 30, 2026 and EclipseGo on September 19, 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.*