# Polar Scope Align vs LTM by Metricwire

The clearest difference is in-app purchases: LTM by Metricwire at none against Polar Scope Align's 3. LTM by Metricwire also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). Polar Scope Align's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

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

Polar Scope Align ships an update every 6 weeks, LTM by Metricwire every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Polar Scope Align | LTM by Metricwire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (173 ratings)](https://appshunter.io/ios/app/polar-scope-align/id970157965/reviews)** | — |
| Number of ratings | **173** | — |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 189 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [MetricWire Inc.](https://appshunter.io/developer/815033540) |

## 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


### LTM by Metricwire

[App page](https://appshunter.io/ios/app/ltm-by-metricwire/id6737207207)

**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 LTM by Metricwire free?

LTM by Metricwire is free to download, with no in-app purchases.

### Do Polar Scope Align or LTM by Metricwire have ads?

Polar Scope Align shows ads; LTM by Metricwire does not.

### Which is updated more often, Polar Scope Align or LTM by Metricwire?

Polar Scope Align ships an update every 6 weeks, and LTM by Metricwire every 2 weeks. Most recently, Polar Scope Align was updated on October 24, 2026 and LTM by Metricwire on October 30, 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.*