Comparison

CRSI Rebar Reference vs Aimpact

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Aimpact

Features
Read full description

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.

Screenshots

CRSI Rebar Reference4 screens
Aimpact4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
CRSI Rebar Reference versus Aimpact: the parameters behind the verdict, then further details
ParameterCRSI Rebar ReferenceAimpact
PriceFreeFree
Rating3.3 (16 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings16 — better—
Update frequencyEvery 5 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size51 MB42 MB
Age rating17+17+
DeveloperConcrete Reinforcing Steel InstituteOwlFlow Software Ltd.

In-app purchases

3 purchases

CRSI Rebar Reference

One-time3
  • CRSI - Rebar Identifier Module$2.99
  • CRSI Development Length ACI$4.99
  • CRSI Development length AASHTO$4.99
None

Aimpact

No in-app purchases

Questions

Is CRSI Rebar Reference free?
CRSI Rebar Reference is free to download, with in-app purchases available.
Is Aimpact free?
Aimpact is free to download, with no in-app purchases.
Do CRSI Rebar Reference or Aimpact have ads?
Neither CRSI Rebar Reference nor Aimpact shows ads.
Which is updated more often, CRSI Rebar Reference or Aimpact?
CRSI Rebar Reference ships an update every 5 weeks, and Aimpact every 6 days. Most recently, CRSI Rebar Reference was updated on October 21, 2026 and Aimpact on October 19, 2026.

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