# Deflection Lite vs Eyrich

Deflection Lite and Eyrich are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Deflection Lite | Eyrich |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (46 ratings)](https://appshunter.io/ios/app/deflection-lite/id974474071/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | — |
| Size | 108 MB | 131 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Ketchep](https://appshunter.io/developer/1131834248) | [Marco Heine](https://appshunter.io/developer/1504273741) |

## What reviewers say

### Deflection Lite

[App page](https://appshunter.io/ios/app/deflection-lite/id974474071)

This app provides interactive and precise structural beam analysis. Easily visualize beam bending by dragging loads and supports, and calculate key engineering results like reactions, shear force, and bending moment.

**Highlights:** Interactive beam bending visualization, Calculate reactions, shear force, and bending moment, Built-in cross-section databases, Unlimited loads and supports, Export design to shareable permalink, Metric and standard units

**Features:** Vision Pro support

**In-app purchases:** none


### Eyrich

[App page](https://appshunter.io/ios/app/eyrich-halbig-holzbau/id1594153913)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Deflection Lite free?

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

### Is Eyrich free?

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

### Do Deflection Lite or Eyrich have ads?

Neither Deflection Lite nor Eyrich shows ads.

### Which is updated more often, Deflection Lite or Eyrich?

Deflection Lite ships an update every 3 months, and Eyrich every 3 months. Most recently, Deflection Lite was updated on October 4, 2026 and Eyrich on October 4, 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.*