# Sling Load Calculator vs Auto Wizard

The clearest difference is price: Auto Wizard at Free against Sling Load Calculator's $4.99. Auto Wizard also leads on update cadence (weekly vs every 48 months). Sling Load Calculator's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Auto Wizard is free to download; Sling Load Calculator costs $4.99 up front. Auto Wizard sells 2 in-app purchases, starting at $19.99 per month. Sling Load Calculator asks for nothing beyond the download.

Sling Load Calculator ships an update every 48 months, Auto Wizard weekly. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sling Load Calculator | Auto Wizard |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/sling-load-calculator/id1397392678/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | **Weekly** |
| Monetization | Paid | — |
| Size | 18 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [ClearPass Technologies LLC](https://appshunter.io/developer/1895187257) |

## What reviewers say

### Sling Load Calculator

[App page](https://appshunter.io/ios/app/sling-load-calculator/id1397392678)

This utility app helps determine the force exerted on lifting slings by calculating sling stress. It removes guesswork for safe lifts by considering sling capacity, load weight, and various length and distance measurements.

**Highlights:** Calculate sling stress, Determine force on lifting slings, Input rated safe working load, Input total load weight, Input sling length, Input vertical distance to hook

**Features:** macOS Compatibility

**In-app purchases:** none


### Auto Wizard

[App page](https://appshunter.io/ios/app/auto-wizard/id6779407932)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Wizard Pro | $19.99 | per month |
| Auto Wizard Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is Sling Load Calculator free?

Sling Load Calculator costs $4.99, with no in-app purchases.

### Is Auto Wizard free?

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

### Do Sling Load Calculator or Auto Wizard have ads?

Neither Sling Load Calculator nor Auto Wizard shows ads.

### Which is updated more often, Sling Load Calculator or Auto Wizard?

Sling Load Calculator ships an update every 48 months, and Auto Wizard weekly. Most recently, Sling Load Calculator was updated on September 29, 2026 and Auto Wizard on October 12, 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.*