# Beam Engineering lite vs CSiUnits

The clearest difference is review sentiment: CSiUnits at 50% against Beam Engineering lite's 0%. CSiUnits also leads on in-app purchases (none vs 1) and ads (none vs shown). Beam Engineering lite's advantage is ratings volume (32 vs 4). On price and device support there is nothing between them.

Both are free to download. Beam Engineering lite sells 1 one-off in-app purchase. CSiUnits asks for nothing beyond the download.

CSiUnits holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Beam Engineering lite has 32 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Beam Engineering lite's written reviews are positive against 50% of CSiUnits's.

Beam Engineering lite ships an update every 5 months, CSiUnits monthly. The most recent releases landed on October 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Beam Engineering lite | CSiUnits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (32 ratings)](https://appshunter.io/ios/app/beam-engineering-lite/id1048358824/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/csiunits/id1344138128/reviews)** |
| Number of ratings | **32** | 4 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 13 MB |
| Requires iOS | 16.1 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Computers and Structures, Inc.](https://appshunter.io/developer/1119970032) |

## What reviewers say

### Beam Engineering lite

[App page](https://appshunter.io/ios/app/beam-engineering-lite/id1048358824)

This app provides 34 civil engineering calculators for beam analysis and conversion, referencing industry codes. It offers auto-fill options for material and section pickers and supports dual units. A pro version unlocks unlimited calculations, history, and PDF exports.

**Highlights:** 34 civil engineering calculators, AISC, ACI, ASCE code references, Auto-fill section and material pickers, Metric and Imperial units, Calculation history, PDF export, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beam Engineering Pro | $2.99 | one-time |


### CSiUnits

[App page](https://appshunter.io/ios/app/csiunits/id1344138128)

This application provides a comprehensive tool for converting units across various scientific disciplines and everyday needs. It offers over 70 conversion options, catering to professionals, students, and anyone requiring precise unit transformations.

**Highlights:** Multiple one-time conversion lists, Conversions for lifestyle and science, Over 70 conversion options, Numeric value input, Converted values to all possible units

**In-app purchases:** none


## Frequently asked questions

### Is Beam Engineering lite free?

Beam Engineering lite is free to download, with in-app purchases available.

### Is CSiUnits free?

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

### Which has better reviews, Beam Engineering lite or CSiUnits?

CSiUnits is rated higher. Beam Engineering lite averages 4.4 out of 5 from 32 ratings, while CSiUnits averages 4.8 from 4 ratings.

### Do Beam Engineering lite or CSiUnits have ads?

Beam Engineering lite shows ads; CSiUnits does not.

### Which is updated more often, Beam Engineering lite or CSiUnits?

Beam Engineering lite ships an update every 5 months, and CSiUnits monthly. Most recently, Beam Engineering lite was updated on October 7, 2026 and CSiUnits on September 17, 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.*