# HorizonRoll vs Site Calc Pro

The clearest difference is in-app purchases: Site Calc Pro at none against HorizonRoll's 3. Site Calc Pro also leads on update cadence (daily vs every 3 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HorizonRoll sells 3 in-app purchases, starting at $0.99 per month. Site Calc Pro asks for nothing beyond the download.

HorizonRoll ships an update every 3 days, Site Calc Pro daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HorizonRoll | Site Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/horizonroll/id6760080503/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 85 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CONSOLIDATED DISTRIBUTORS LLC](https://appshunter.io/developer/1542177926) | [Troy Knight](https://appshunter.io/developer/1419339802) |

## What reviewers say

### HorizonRoll

[App page](https://appshunter.io/ios/app/horizonroll/id6760080503)

This app turns your iPhone into a professional action camera with advanced stabilization and horizon lock. Capture smooth, leveled video in various aspect ratios and resolutions, eliminating the need for external gimbals.

**Highlights:** 360-degree Horizon Lock, Action Mode stabilization, Portrait and landscape aspect ratios, 4K 60fps recording, Swipeable gallery, No external gimbal needed

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $14.99 | one-time |


### Site Calc Pro

[App page](https://appshunter.io/ios/app/site-calc-pro/id6767140419)

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

**In-app purchases:** none


## Frequently asked questions

### Is HorizonRoll free?

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

### Is Site Calc Pro free?

Site Calc Pro is free to download, with no in-app purchases.

### Do HorizonRoll or Site Calc Pro have ads?

Neither HorizonRoll nor Site Calc Pro shows ads.

### Which is updated more often, HorizonRoll or Site Calc Pro?

HorizonRoll ships an update every 3 days, and Site Calc Pro daily. Most recently, HorizonRoll was updated on October 28, 2026 and Site Calc Pro on October 31, 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.*