# GHV vs SunArc

The clearest difference is in-app purchases: GHV at none against SunArc's 1. SunArc's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SunArc sells 1 one-off in-app purchase. GHV asks for nothing beyond the download.

GHV ships an update every 2 months, SunArc every 3 weeks. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | GHV | SunArc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 46 MB | 50 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Idwell GmbH](https://appshunter.io/developer/1269662593) | [Pascal von Burg](https://appshunter.io/developer/6797637525) |

## What reviewers say

### GHV

[App page](https://appshunter.io/ios/app/ghv/id6636486650)

**In-app purchases:** none


### SunArc

[App page](https://appshunter.io/ios/app/sunarc-sun-path-and-shade-check/id6797637523)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShadeCheck Unlock | $0.99 | one-time |


## Frequently asked questions

### Is GHV free?

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

### Is SunArc free?

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

### Do GHV or SunArc have ads?

Neither GHV nor SunArc shows ads.

### Which is updated more often, GHV or SunArc?

GHV ships an update every 2 months, and SunArc every 3 weeks. Most recently, GHV was updated on November 4, 2026 and SunArc on November 10, 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.*