# EdiLus vs ZappID

The clearest difference is update cadence: ZappID at every 4 days against EdiLus's every 3 weeks. EdiLus's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

EdiLus ships an update every 3 weeks, ZappID every 4 days. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EdiLus | ZappID |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 99 MB | 11 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACCA software](https://appshunter.io/developer/461322267) | [Fredrik Petersson](https://appshunter.io/developer/555276018) |

## What reviewers say

### EdiLus

[App page](https://appshunter.io/ios/app/edilus-cpt/id1129154100)

This app provides a practical tool for instantly calculating wooden or steel trusses. It allows users to select truss models, adjust geometric parameters, choose materials, input loads including wind pressure, and generate PDF calculation reports. Work can be archived on the cloud, shared with collaborators, and transferred to a PC.

**Highlights:** Truss model selection, Geometric parameter adjustment, Material and section selection, Load input (including wind), PDF calculation report generation, Cloud project archiving, Collaboration and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### ZappID

[App page](https://appshunter.io/ios/app/zappid/id1455029820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EdiLus free?

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

### Is ZappID free?

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

### Do EdiLus or ZappID have ads?

Neither EdiLus nor ZappID shows ads.

### Which is updated more often, EdiLus or ZappID?

EdiLus ships an update every 3 weeks, and ZappID every 4 days. Most recently, EdiLus was updated on October 9, 2026 and ZappID on October 19, 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.*