# CRSI Rebar Reference vs QcTitan

The clearest difference is rating: CRSI Rebar Reference at 3.3 against QcTitan's 2.7. CRSI Rebar Reference also leads on review sentiment (33% vs 0%) and ratings volume (16 vs 3). QcTitan's advantage is in-app purchases (none vs 3). On price, update cadence, ads and monetization model there is nothing between them.

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

CRSI Rebar Reference holds the better App Store score, 3.3 against 2.7. That said, the two scores are not equally well evidenced: CRSI Rebar Reference has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of CRSI Rebar Reference's written reviews are positive against 0% of QcTitan's.

CRSI Rebar Reference ships an update every 5 weeks, QcTitan monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CRSI Rebar Reference | QcTitan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (16 ratings)](https://appshunter.io/ios/app/crsi-rebar-reference/id1423271565/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/qctitan/id1484697287/reviews) |
| Number of ratings | **16** | 3 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 51 MB | 140 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Concrete Reinforcing Steel Institute](https://appshunter.io/developer/1423271564) | [Ralph Revet](https://appshunter.io/developer/1478796058) |

## 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 |


### QcTitan

[App page](https://appshunter.io/ios/app/qctitan/id1484697287)

Streamline the quality control of precast concrete products. Record and associate concrete testing and compressive strength tests for comprehensive tracking.

**Highlights:** Track precast concrete products, Quality control process management, Record concrete testing, Associate compressive strength tests, Data association

**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 QcTitan free?

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

### Which has better reviews, CRSI Rebar Reference or QcTitan?

CRSI Rebar Reference is rated higher. CRSI Rebar Reference averages 3.3 out of 5 from 16 ratings, while QcTitan averages 2.7 from 3 ratings.

### Do CRSI Rebar Reference or QcTitan have ads?

Neither CRSI Rebar Reference nor QcTitan shows ads.

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

CRSI Rebar Reference ships an update every 5 weeks, and QcTitan monthly. Most recently, CRSI Rebar Reference was updated on October 21, 2026 and QcTitan 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.*