CRSI Rebar Reference vs binni concrete
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CRSI Rebar Reference
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.
- 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
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QUICK REFERENCE! This ready reference app from the Concrete Reinforcing Steel Institute is a handy desk and field resource and includes information on ASTM standard reinforcing bars (rebar), standard hook details, standard stirrup/tie hook details, and ASTM reinforcing bar marking requirements. The app provides standard rebar specifications including sizes, diameters, areas and weights along with 90-, 135- and 180-degree hook details. Minimum yield and minimum tensile requirements per ASTM are also included. Industry standard bar markings for inch-pound rebar is illustrated for grades 40, 50, 60, 75, 80, 100 (A615), 100 (A1035), and 120. Links to the CRSI’s online resources are included.
binni concrete
This app helps construction teams collaborate and manage concrete pours. It supports teams from scheduling to final lab test results, streamlining project workflows.
- Concrete pour tracking
- Team collaboration
- Look-ahead scheduling
- Lab test result management
- Project workflow streamlining
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binni's concrete pour tracker makes it very easy for construction teams to collaborate while managing concrete pours. It will support your teams from look-ahead schedule all the way through the last lab test result.
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Verdict
The clearest difference is rating: binni concrete at 5.0 against CRSI Rebar Reference's 3.3. binni concrete also leads on in-app purchases (none vs 3). CRSI Rebar Reference's advantage is ratings volume (16 vs 1). On price, update cadence, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CRSI Rebar Reference sells 3 one-off in-app purchases. binni concrete asks for nothing beyond the download.
binni concrete holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: CRSI Rebar Reference has 16 ratings behind it against 1, so its average is the more settled of the two.
CRSI Rebar Reference ships an update every 5 weeks, binni concrete every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | CRSI Rebar Reference | binni concrete |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 25 MB |
| Age rating | 17+ | 4+ |
| Developer | Concrete Reinforcing Steel Institute | binni |
Customer experience
CRSI Rebar Reference
binni concrete
In-app purchases
CRSI Rebar Reference
- CRSI - Rebar Identifier Module$2.99
- CRSI Development Length ACI$4.99
- CRSI Development length AASHTO$4.99
binni concrete
No in-app purchases
Questions
Is CRSI Rebar Reference free?
Is binni concrete free?
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