# iSectionLite vs BrainDump

The clearest difference is in-app purchases: iSectionLite at none against BrainDump's 3. iSectionLite also leads on iOS requirement (8.0 vs 17.0). BrainDump's advantage is update cadence (every 2 months vs every 46 months). On price, ads and device support there is nothing between them.

Both are free to download. BrainDump sells 3 in-app purchases, starting at $1.99 per month. iSectionLite asks for nothing beyond the download.

iSectionLite ships an update every 46 months, BrainDump every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iSectionLite | BrainDump |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (12 ratings)](https://appshunter.io/ios/app/isectionlite/id320141628/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 0 MB | 3 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ahmj](https://appshunter.io/developer/304905561) | [鹏程 刘](https://appshunter.io/developer/1874140376) |

## 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


### BrainDump

[App page](https://appshunter.io/ios/app/braindump-capture-and-forget/id6758828629)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainDump Pro | $1.99 | per month |
| BrainDump Pro | $19.99 | per year |
| BrainDump Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is iSectionLite free?

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

### Is BrainDump free?

BrainDump is free to download, with in-app purchases available.

### Do iSectionLite or BrainDump have ads?

Neither iSectionLite nor BrainDump shows ads.

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

iSectionLite ships an update every 46 months, and BrainDump every 2 months. Most recently, iSectionLite was updated on October 23, 2026 and BrainDump on October 24, 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.*