# Dreher App vs Deflection Lite

The clearest difference is iOS requirement: Dreher App at 13.1 against Deflection Lite's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Dreher App ships an update every 4 months, Deflection Lite every 3 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Dreher App | Deflection Lite |
| --- | --- | --- |
| 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 4 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 8 MB | 108 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Markus Meckel](https://appshunter.io/developer/852996793) | [Blue Ketchep](https://appshunter.io/developer/1131834248) |

## What reviewers say

### Dreher App

[App page](https://appshunter.io/ios/app/dreher-app/id852996790)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dreher App free?

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

### Is Deflection Lite free?

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

### Do Dreher App or Deflection Lite have ads?

Neither Dreher App nor Deflection Lite shows ads.

### Which is updated more often, Dreher App or Deflection Lite?

Dreher App ships an update every 4 months, and Deflection Lite every 3 months. Most recently, Dreher App was updated on October 2, 2026 and Deflection Lite 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.*