# Epion vs Rigging Bridle Calculator+

The clearest difference is price: Epion at Free against Rigging Bridle Calculator+'s $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Epion is free to download; Rigging Bridle Calculator+ costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Epion ships an update monthly, Rigging Bridle Calculator+ every 5 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Epion | Rigging Bridle Calculator+ |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/rigging-bridle-calculator-plus/id6478832224/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Paid |
| Size | 26 MB | 25 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SenseZo B.V.](https://appshunter.io/developer/1568513374) | [Pawel Szepietowski](https://appshunter.io/developer/1734102070) |

## What reviewers say

### Epion

[App page](https://appshunter.io/ios/app/epion/id1568513372)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rigging Bridle Calculator+

[App page](https://appshunter.io/ios/app/rigging-bridle-calculator-plus/id6478832224)

Calculate bridle leg lengths, angles, and forces for stage rigging. Includes tools for apex height, bridle point position, and load distribution on beams and cantilevers. Supports both metric and imperial units for accurate results.

**Highlights:** Calculate bridle leg lengths, Determine angle between legs, Calculate forces on bridle and structure, Calculate apex height and bridle point position, Analyze load changes on beams, Calculate cantilever load forces, Supports metric and imperial units

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

**In-app purchases:** none


## Frequently asked questions

### Is Epion free?

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

### Is Rigging Bridle Calculator+ free?

Rigging Bridle Calculator+ costs $4.99, with no in-app purchases.

### Do Epion or Rigging Bridle Calculator+ have ads?

Neither Epion nor Rigging Bridle Calculator+ shows ads.

### Which is updated more often, Epion or Rigging Bridle Calculator+?

Epion ships an update monthly, and Rigging Bridle Calculator+ every 5 weeks. Most recently, Epion was updated on November 7, 2026 and Rigging Bridle Calculator+ on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*