# iSectionLite vs LFunCalc

The clearest difference is update cadence: LFunCalc at every 5 months against iSectionLite's every 46 months. iSectionLite's advantage is iOS requirement (8.0 vs 13.2). 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.

iSectionLite ships an update every 46 months, LFunCalc every 5 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | iSectionLite | LFunCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (13 ratings)](https://appshunter.io/ios/app/isectionlite/id320141628/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 0 MB | 46 MB |
| Requires iOS | **8.0** | 13.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ahmj](https://appshunter.io/developer/304905561) | [NOBORU IMAI](https://appshunter.io/developer/896071356) |

## 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


### LFunCalc

[App page](https://appshunter.io/ios/app/lfuncalc/id1501273046)

**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 LFunCalc free?

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

### Do iSectionLite or LFunCalc have ads?

Neither iSectionLite nor LFunCalc shows ads.

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

iSectionLite ships an update every 46 months, and LFunCalc every 5 months. Most recently, iSectionLite was updated on October 6, 2026 and LFunCalc on September 28, 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.*