# Sling Length Calculator vs RigThis

The clearest difference is price: RigThis at Free against Sling Length Calculator's $1.99. Sling Length Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 17.0). On rating, ratings volume, ads and device support there is nothing between them.

RigThis is free to download; Sling Length Calculator costs $1.99 up front. RigThis sells 1 one-off in-app purchase. Sling Length Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sling Length Calculator against 5.0 for RigThis. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Sling Length Calculator | RigThis |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sling-length-calculator/id1549195048/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rigthis/id6770800479/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Paid | **Freemium** |
| Size | 9 MB | 2 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Circux Systems LLC](https://appshunter.io/developer/1896763824) |

## What reviewers say

### Sling Length Calculator

[App page](https://appshunter.io/ios/app/sling-length-calculator/id1549195048)

This utility helps users determine the appropriate sling length for lifting applications. It considers various factors like hitch type, angle effects, and environmental conditions to ensure safe and adequate load carrying capacity.

**Highlights:** Load carrying capacity calculation, Considers hitch type, Accounts for angle effects, Evaluates environmental factors, Ensures sling appropriateness

**Features:** macOS Compatibility

**In-app purchases:** none


### RigThis

[App page](https://appshunter.io/ios/app/rigthis/id6770800479)

This app provides essential rigging calculations for live event professionals. It includes tools for bridle calculations, truss load distribution, and unit conversion, with advanced features available through a one-time purchase.

**Highlights:** 2-leg bridle calculator with visual diagram, Truss load distribution tool, Length and weight unit converter, 3-leg bridle calculator (Pro), Save and recall calculation history (Pro), Venue specs management (Pro)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RigThat Pro | $49.99 | one-time |


## Frequently asked questions

### Is Sling Length Calculator free?

Sling Length Calculator costs $1.99, with no in-app purchases.

### Is RigThis free?

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

### Which has better reviews, Sling Length Calculator or RigThis?

Sling Length Calculator and RigThis are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sling Length Calculator or RigThis have ads?

Neither Sling Length Calculator nor RigThis shows ads.

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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.*