CRSI Rebar Reference vs Aimpact
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.
Aimpact
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Aimpact is an innovative software platform, built to support and empower growth and mentorship processes and to increase the user's ability to achieve their goals. Using questions, videos, texts and proven tools from the mental training world, mentors receive visibility into their trainee's progress over time and ensure that they are on the right track to reach their targets effectively. Built-in AI models improve the effectiveness of each training program, ensuring quicker goal achievement with higher satisfaction levels and with less resources. Your mentor can send you an invitation to Aimpact.
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Verdict
The clearest difference is in-app purchases: Aimpact at none against CRSI Rebar Reference's 3. Aimpact also leads on update cadence (every 6 days vs every 5 weeks). On price, ads, device support and iOS requirement 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. Aimpact asks for nothing beyond the download.
CRSI Rebar Reference ships an update every 5 weeks, Aimpact every 6 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.
| Parameter | CRSI Rebar Reference | Aimpact |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (16 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 5 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 51 MB | 42 MB |
| Age rating | 17+ | 17+ |
| Developer | Concrete Reinforcing Steel Institute | OwlFlow Software Ltd. |
In-app purchases
CRSI Rebar Reference
- CRSI - Rebar Identifier Module$2.99
- CRSI Development Length ACI$4.99
- CRSI Development length AASHTO$4.99
Aimpact
No in-app purchases
Questions
Is CRSI Rebar Reference free?
Is Aimpact free?
Do CRSI Rebar Reference or Aimpact have ads?
Which is updated more often, CRSI Rebar Reference or Aimpact?
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