# iSectionLite vs A

The clearest difference is price: iSectionLite at Free against A's $9.99. iSectionLite also leads on rating (1.8 vs 1.0) and ratings volume (12 vs 1). A's advantage is update cadence (fortnightly vs every 46 months). On ads, in-app purchases and device support there is nothing between them.

iSectionLite is free to download; A costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSectionLite holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: iSectionLite has 12 ratings behind it against 1, so its average is the more settled of the two.

iSectionLite ships an update every 46 months, A fortnightly. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | iSectionLite | A |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[1.8 (12 ratings)](https://appshunter.io/ios/app/isectionlite/id320141628/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 0 MB | 23 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ahmj](https://appshunter.io/developer/304905561) | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) |

## 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


### A

[App page](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713)

Analyze complex 3D space frames with this powerful yet easy-to-use application. Input node coordinates, member alignments, and material properties to solve structures and view step-by-step calculations. Visualize deformations and generate shear force and bending moment diagrams.

**Highlights:** 3D space frame analysis, Stiffness Matrix Method, Step-by-step calculation display, Equilibrium check, Deformation visualization, Shear Force & Bending Moment Diagrams

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

**In-app purchases:** none


## Frequently asked questions

### Is iSectionLite free?

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

### Is A free?

A costs $9.99, with no in-app purchases.

### Which has better reviews, iSectionLite or A?

iSectionLite is rated higher. iSectionLite averages 1.8 out of 5 from 12 ratings, while A averages 1.0 from 1 ratings.

### Do iSectionLite or A have ads?

Neither iSectionLite nor A shows ads.

### Which is updated more often, iSectionLite or A?

iSectionLite ships an update every 46 months, and A fortnightly. Most recently, iSectionLite was updated on October 23, 2026 and A on October 26, 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.*