# iSectionLite vs Deflection Lite

The clearest difference is rating: Deflection Lite at 4.5 against iSectionLite's 2.1. Deflection Lite also leads on update cadence (every 3 months vs every 46 months) and ratings volume (46 vs 13). iSectionLite's advantage is monetization model (free vs paid) and iOS requirement (8.0 vs 15.0). On price, review sentiment, 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.

Deflection Lite holds the better App Store score, 4.5 against 2.1. Both are backed by a comparable volume of ratings — 13 and 46 respectively. Written reviews complicate that: 50% of iSectionLite's written reviews are positive against 44% of Deflection Lite's, so the app with the better star average is not the one people write more warmly about.

iSectionLite ships an update every 46 months, Deflection Lite every 3 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iSectionLite | Deflection Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (13 ratings)](https://appshunter.io/ios/app/isectionlite/id320141628/reviews) | **[4.5 (46 ratings)](https://appshunter.io/ios/app/deflection-lite/id974474071/reviews)** |
| Number of ratings | 13 | **46** |
| Positive reviews | **50.0% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 0 MB | 108 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ahmj](https://appshunter.io/developer/304905561) | [Blue Ketchep](https://appshunter.io/developer/1131834248) |

## What reviewers say

### iSectionLite

[App page](https://appshunter.io/ios/app/isectionlite/id320141628)

This engineering app calculates mechanical and structural properties for built-up section members. It supports various international steel shapes and allows input and output in both metric and imperial units.

**Highlights:** Calculates moment of inertia, modulus of section, radius of gyration, area, and weight, Supports European, American, Canadian, and British steel shapes, Input and output in mm or inch units, Calculations in principal axes, Light version with limitations on hot rolled library and flange dimensions

**Features:** macOS Compatibility

**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 iSectionLite free?

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

### Is Deflection Lite free?

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

### Which has better reviews, iSectionLite or Deflection Lite?

Deflection Lite is rated higher. iSectionLite averages 2.1 out of 5 from 13 ratings, while Deflection Lite averages 4.5 from 46 ratings.

### Do iSectionLite or Deflection Lite have ads?

Neither iSectionLite nor Deflection Lite shows ads.

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

iSectionLite ships an update every 46 months, and Deflection Lite every 3 months. Most recently, iSectionLite was updated on October 6, 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.*