# Sling Load Calculator vs Shansan Super Timer

The clearest difference is price: Shansan Super Timer at Free against Sling Load Calculator's $4.99. Shansan Super Timer also leads on update cadence (daily vs every 48 months). Sling Load Calculator's advantage is iOS requirement (13.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Shansan Super Timer is free to download; Sling Load Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sling Load Calculator ships an update every 48 months, Shansan Super Timer daily. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sling Load Calculator | Shansan Super Timer |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Daily** |
| Monetization | Paid | — |
| Size | 18 MB | 4 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Amogh J S](https://appshunter.io/developer/1747076266) |

## 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


### Shansan Super Timer

[App page](https://appshunter.io/ios/app/shansan-super-timer/id6747438834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sling Load Calculator free?

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

### Is Shansan Super Timer free?

Shansan Super Timer is free to download, with no in-app purchases.

### Do Sling Load Calculator or Shansan Super Timer have ads?

Neither Sling Load Calculator nor Shansan Super Timer shows ads.

### Which is updated more often, Sling Load Calculator or Shansan Super Timer?

Sling Load Calculator ships an update every 48 months, and Shansan Super Timer daily. Most recently, Sling Load Calculator was updated on November 2, 2026 and Shansan Super Timer on October 30, 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.*