# ScopeWizard vs GuideWatch

The clearest difference is update cadence: GuideWatch at fortnightly against ScopeWizard's every 25 months. ScopeWizard's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScopeWizard ships an update every 25 months, GuideWatch fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ScopeWizard | GuideWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scopewizard/id1614476586/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 4 MB | 4 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Richard Wright](https://appshunter.io/developer/297344959) | [Cambridge AI Works Ltd.](https://appshunter.io/developer/6791601439) |

## What reviewers say

### ScopeWizard

[App page](https://appshunter.io/ios/app/scopewizard/id1614476586)

This app simplifies telescope, eyepiece, and camera calculations with a unified database of equipment. Easily mix and match your gear or input custom values for precise specifications.

**Highlights:** Unified formula database, Equipment database, Mix and match gear, Custom value input, Telescope specifications calculation

**Features:** Vision Pro support

**In-app purchases:** none


### GuideWatch

[App page](https://appshunter.io/ios/app/guidewatch/id6792355618)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ScopeWizard free?

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

### Is GuideWatch free?

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

### Do ScopeWizard or GuideWatch have ads?

Neither ScopeWizard nor GuideWatch shows ads.

### Which is updated more often, ScopeWizard or GuideWatch?

ScopeWizard ships an update every 25 months, and GuideWatch fortnightly. Most recently, ScopeWizard was updated on October 30, 2026 and GuideWatch on October 24, 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.*