# SpanSet Lash vs RUD Lashing Calculation

The clearest difference is update cadence: SpanSet Lash at every 2 months against RUD Lashing Calculation's every 13 months. SpanSet Lash also leads on review sentiment (67% vs 50%). RUD Lashing Calculation's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SpanSet Lash ships an update every 2 months, RUD Lashing Calculation every 13 months. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SpanSet Lash | RUD Lashing Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 19 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Span Set GmbH & Co. KG](https://appshunter.io/developer/569512606) | [RUD Ketten Rieger & Dietz GmbH u. Co. KG](https://appshunter.io/developer/838898727) |

## What reviewers say

### SpanSet Lash

[App page](https://appshunter.io/ios/app/spanset-lash-controller/id585235376)

This app simplifies load safety calculations by providing an easy-to-use tool for determining the required number of straps. It streamlines the process of ensuring secure cargo transport.

**Highlights:** Load safety calculations, Required strap determination, Streamlined cargo transport, Daily use tool

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

**In-app purchases:** none


### RUD Lashing Calculation

[App page](https://appshunter.io/ios/app/rud-lashing-calculation/id838898724)

This app helps calculate load securing for various transport methods. It supports diagonal, frictional, and combined lashing methods, allowing input of angles or lengths for detailed results.

**Highlights:** Diagonal lashing calculation, Frictional lashing calculation, Combined lashing methods, Angle meter, Transport mode selection (truck, railway, ship), Input angle or lengths, Detailed output

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpanSet Lash free?

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

### Is RUD Lashing Calculation free?

RUD Lashing Calculation is free to download, with no in-app purchases.

### Do SpanSet Lash or RUD Lashing Calculation have ads?

Neither SpanSet Lash nor RUD Lashing Calculation shows ads.

### Which is updated more often, SpanSet Lash or RUD Lashing Calculation?

SpanSet Lash ships an update every 2 months, and RUD Lashing Calculation every 13 months. Most recently, SpanSet Lash was updated on October 19, 2026 and RUD Lashing Calculation on October 6, 2026.

---

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