# Magna Calc vs ScopeBoss

The clearest difference is price: ScopeBoss at Free against Magna Calc's $0.99. ScopeBoss also leads on rating (4.0 vs 3.0) and device support (3 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

ScopeBoss is free to download; Magna Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ScopeBoss holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

Magna Calc ships an update every 37 months, ScopeBoss every 33 months. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Magna Calc | ScopeBoss |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/magna-calc/id412428391/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/scopeboss/id948492188/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 33 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 19 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Paskal](https://appshunter.io/developer/322758381) | [Lodewijk Bonebakker](https://appshunter.io/developer/1714503291) |

## What reviewers say

### Magna Calc

[App page](https://appshunter.io/ios/app/magna-calc/id412428391)

Calculate telescope magnification easily. Supports various eyepiece focal lengths and Barlow lens options from 1x to 5x. Essential tool for amateur and professional astronomers.

**Highlights:** Telescope focal length input, Eyepiece focal length input, Barlow lens option (1x-5x), Magnification calculation, Supports millimeters

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

**In-app purchases:** none


### ScopeBoss

[App page](https://appshunter.io/ios/app/scopeboss/id948492188)

Control your Meade LX200GPS telescope remotely using your iPhone or iPad. This app emulates the Autostar II controller, offering convenient access to telescope functions through intuitive tabs for slewing, object catalogs, and custom buttons.

**Highlights:** Emulates Autostar II controller, WiFi-to-Serial adapter communication, Keypad and Slew control tabs, Gesture-based slewing, Customizable function buttons, Object catalogs with over 21,000 entries, Micro focuser control

**In-app purchases:** none


## Frequently asked questions

### Is Magna Calc free?

Magna Calc costs $0.99, with no in-app purchases.

### Is ScopeBoss free?

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

### Which has better reviews, Magna Calc or ScopeBoss?

ScopeBoss is rated higher. Magna Calc averages 3.0 out of 5 from 2 ratings, while ScopeBoss averages 4.0 from 6 ratings.

### Do Magna Calc or ScopeBoss have ads?

Neither Magna Calc nor ScopeBoss shows ads.

### Which is updated more often, Magna Calc or ScopeBoss?

Magna Calc ships an update every 37 months, and ScopeBoss every 33 months. Most recently, Magna Calc was updated on October 23, 2026 and ScopeBoss on October 3, 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.*