# CRSI Rebar Reference vs Beam HPC

The clearest difference is review sentiment: Beam HPC at 100% against CRSI Rebar Reference's 33%. Beam HPC also leads on rating (4.0 vs 3.3) and in-app purchases (none vs 3). CRSI Rebar Reference's advantage is update cadence (every 5 weeks vs every 18 months) and ratings volume (16 vs 4). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. CRSI Rebar Reference sells 3 one-off in-app purchases. Beam HPC asks for nothing beyond the download.

Beam HPC holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 16 and 4 respectively. Written reviews point the same way: 33% of CRSI Rebar Reference's written reviews are positive against 100% of Beam HPC's.

CRSI Rebar Reference ships an update every 5 weeks, Beam HPC every 18 months. The most recent releases landed on June 1, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | CRSI Rebar Reference | Beam HPC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (16 ratings)](https://appshunter.io/ios/app/crsi-rebar-reference/id1423271565/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/beam-hpc/id1447917199/reviews)** |
| Number of ratings | **16** | 4 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 18 months |
| Monetization | Free | Free |
| Size | 51 MB | 18 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Concrete Reinforcing Steel Institute](https://appshunter.io/developer/1423271564) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## What reviewers say

### CRSI Rebar Reference

[App page](https://appshunter.io/ios/app/crsi-rebar-reference/id1423271565)

Access essential data for reinforcing bars (rebar) including specifications, hook details, and marking requirements. This app serves as a quick reference for industry standards and links to online resources.

**Highlights:** ASTM standard reinforcing bar specifications, Standard hook details (90, 135, 180 degrees), Stirrup/tie hook details, ASTM reinforcing bar marking requirements, Minimum yield and tensile requirements, Links to CRSI online resources

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CRSI - Rebar Identifier Module | $2.99 | one-time |
| CRSI Development Length ACI | $4.99 | one-time |
| CRSI Development length AASHTO | $4.99 | one-time |


### Beam HPC

[App page](https://appshunter.io/ios/app/beam-hpc/id1447917199)

This app calculates structural diagrams for beams, including moment, shear, and deflection. It supports various loads, supports, and material properties, allowing for interactive adjustments and comparisons. Designed for educational purposes, it helps users visualize and understand beam behavior.

**Highlights:** Moment, shear, and deflection diagrams, Multiple load types (forces, moments, distributed), Adjustable support conditions (pinned, fixed, roller), Segmented beams with varying properties, Interactive drag-and-drop interface, Educational focus on beam behavior

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CRSI Rebar Reference free?

CRSI Rebar Reference is free to download, with in-app purchases available.

### Is Beam HPC free?

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

### Which has better reviews, CRSI Rebar Reference or Beam HPC?

Beam HPC is rated higher. CRSI Rebar Reference averages 3.3 out of 5 from 16 ratings, while Beam HPC averages 4.0 from 4 ratings.

### Do CRSI Rebar Reference or Beam HPC have ads?

Neither CRSI Rebar Reference nor Beam HPC shows ads.

### Which is updated more often, CRSI Rebar Reference or Beam HPC?

CRSI Rebar Reference ships an update every 5 weeks, and Beam HPC every 18 months. Most recently, CRSI Rebar Reference was updated on June 1, 2026 and Beam HPC on September 2, 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.*