# Tadano Pro vs Sling Load Calc

The clearest difference is in-app purchases: Tadano Pro at none against Sling Load Calc's 4. Sling Load Calc's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Sling Load Calc sells 4 in-app purchases, starting at $1.99 per month. Tadano Pro asks for nothing beyond the download.

Tadano Pro ships an update every 5 weeks, Sling Load Calc every 2 weeks. The most recent releases landed on September 9, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Tadano Pro | Sling Load Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sling-load-calc/id6741319888/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 2 MB | 111 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tadano Demag GmbH](https://appshunter.io/developer/1472732867) | [Prakash Solanki](https://appshunter.io/developer/1704788507) |

## What reviewers say

### Tadano Pro

[App page](https://appshunter.io/ios/app/tadano-pro/id1633014142)

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

**In-app purchases:** none


### Sling Load Calc

[App page](https://appshunter.io/ios/app/sling-load-calc/id6741319888)

This app provides precise calculations for sling tension, length, and angle, essential for safe and efficient lifting operations. It's designed for professionals in heavy lifting industries, offering detailed reports and supporting various rigging configurations.

**Highlights:** Accurate sling tension calculations, Support for vertical and multi-sling loads, Easy-to-use interface, Detailed load and tension reports, Choice of measurement systems, Ensures safety standard compliance

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month plan | $1.99 | per month |
| Special 1 Year Plan | $9.99 | per year |
| Rigging Cal Pro | $14.99 | per year |
| Yearly Pro Plan | $14.99 | per year |


## Frequently asked questions

### Is Tadano Pro free?

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

### Is Sling Load Calc free?

Sling Load Calc is free to download, with in-app purchases available.

### Do Tadano Pro or Sling Load Calc have ads?

Neither Tadano Pro nor Sling Load Calc shows ads.

### Which is updated more often, Tadano Pro or Sling Load Calc?

Tadano Pro ships an update every 5 weeks, and Sling Load Calc every 2 weeks. Most recently, Tadano Pro was updated on September 9, 2026 and Sling Load Calc on August 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.*