CRSI Rebar Reference vs Aranchor Mobile
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.
Aranchor Mobile
This app provides instant field access to project images and documentation via an intuitive VR interface. It supports various GIS formats and offers time-lapse visualization for progress tracking. Cloud storage and real-time collaboration are available, along with mobile AR solutions for on-the-go connectivity.
- GIS format import (GeoTIFF, Shapefile, GeoJSON, KML)
- VR interface for field access
- Time-lapse project progress visualization
- Cloud-based storage and collaboration
- Mobile AR solutions
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Support for GIS Formats: Import Geotiff and vector shapefiles, GeoJSON, KML, KMZ, and more. Instant Field Access: Access all project images and documentation seamlessly through our intuitive VR interface, ensuring no detail is overlooked. Time-Lapse Visualization: Effortlessly track project progress with our time-lapse feature, visualizing changes over time. Cloud-Based Storage & Collaboration: Store and access project data securely from anywhere, with real-time team collaboration. Mobile Compatibility: Stay connected on-the-go with our mobile AR solutions.
Screenshots
Verdict
The clearest difference is rating: Aranchor Mobile at 5.0 against CRSI Rebar Reference's 3.3. Aranchor Mobile also leads on in-app purchases (none vs 3) and update cadence (fortnightly vs every 5 weeks). CRSI Rebar Reference's advantage is ratings volume (16 vs 1). On price, ads, monetization model and device support 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. Aranchor Mobile asks for nothing beyond the download.
Aranchor Mobile 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, Aranchor Mobile fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | CRSI Rebar Reference | Aranchor Mobile |
|---|---|---|
| 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 | Fortnightly — 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 | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | Concrete Reinforcing Steel Institute | 3K Building Services, Inc. |
Customer experience
CRSI Rebar Reference
Aranchor Mobile
In-app purchases
CRSI Rebar Reference
- CRSI - Rebar Identifier Module$2.99
- CRSI Development Length ACI$4.99
- CRSI Development length AASHTO$4.99
Aranchor Mobile
No in-app purchases
Questions
Is CRSI Rebar Reference free?
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