Comparison

T Beam vs calc318

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

Head to head
About

T Beam

Calculate reinforcement for concrete flange T beams, including bending moment, shear, and torsion. Visualize beam sections, strain distribution, crack width, and deflection. Generate PDF reports for your designs.

Highlights
  • Reinforcement calculation
  • Beam section visualization
  • Strain distribution diagram
  • Crack width calculation
  • Deflection calculation
  • PDF report generation
Features
Read full description

Designing a Reinforced Concrete Flange T Beam. Applied moment and forces: Bending moment, Shear and Torsion. What this application can do: • Provide the required reinforcement in Tension and Compression zone. • Draw a Section of Beam with all required reinforcement. • Check how many layers required in Tension and Compression Zone. • Draw Strain Distribution Diagram and provide ε for each rebars layer. • Get the Crack width. • Get the Deflection. • PDF report.

About

calc318

Instantly solve 175 ACI 318-19 equations with live computation and interactive charts. Understand equation behavior with sensitivity graphs and clear variable descriptions. Designed for engineers needing quick, accurate calculations and insights.

Highlights
  • 175 ACI 318-19 equations solved instantly
  • Live computation with unit awareness
  • Interactive sensitivity graphs
  • Professionally formatted equations
  • Complete variable descriptions
  • Smart search functionality
  • Recents tab for quick access
Features
Read full description

Solve all 175 equations from ACI 318-19 Appendix C, instantly, in US Customary Units. Calc318 turns the equations from ACI 318-19 Appendix C into a live calculator. Pick an equation, enter your parameters, and get an answer the moment you type — beautifully rendered, with every variable clearly defined and unit-aware. No spreadsheets, no hand calcs. calc318 requires an auto-renewable subscription. Start your 7-day free trial — no charge until the trial ends, and you can cancel anytime. After the trial, your subscription continues at $12.99/year or $2.99/month. Manage or cancel anytime in Settings → Apple ID → Subscriptions. See more than just a number. Tap any input to open an interactive chart that shows exactly how your result responds as that parameter changes — with a draggable point and a family of curves for the other key variables, so you understand the behavior of the equation, not just one data point. FEATURES: - Live computation for all 175 ACI 318-19 equations, fully unit-aware. - Professionally formatted equations with LaTeX-quality rendering. - Interactive sensitivity graphs — drag a point and watch the result update in real time. - Compare curves across multiple parameter values to see trends at a glance. - Complete variable descriptions and units for every input. - Smart search by section number, chapter, keyword, or variable. - Recents tab to jump back to equations you use most. - Clean, intuitive interface designed for engineers. Whether you're checking a calculation, running a quick sensitivity study, or referencing design provisions, calc318 gets you the answer — and the insight behind it — in seconds. Privacy Policy: https://aiosciv.com/calc318/ Terms of Use (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula

Screenshots

T Beam4 screens
calc3184 screens

Verdict

The call

The clearest difference is price: calc318 at Free against T Beam's $4.99. calc318 also leads on rating (5.0 vs 2.0) and update cadence (every 3 months vs every 7 months). T Beam's advantage is in-app purchases (none vs 2) and iOS requirement (17.0 vs 26.0). On ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

calc318 is free to download; T Beam costs $4.99 up front. calc318 sells 2 in-app purchases, starting at $2.99 per month. T Beam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

calc318 holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

T Beam ships an update every 7 months, calc318 every 3 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 4 level
T Beam versus calc318: the parameters behind the verdict, then further details
ParameterT Beamcalc318
Price$4.99Free — better
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size3 MB19 MB
Age rating4+4+
DeveloperRab EliasARTIFICIAL INTELLIGENCE OPTIMIZATION AND SOFTWARE AIOS LLC

Customer experience

T Beam

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

calc318

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

T Beam

No in-app purchases

2 purchases

calc318

Subscriptions2
  • calc318 Pro Monthly7 Days trial$2.991 Month
  • calc318 Pro Yearly7 Days trial$12.991 Year

Questions

Is T Beam free?
T Beam costs $4.99, with no in-app purchases.
Is calc318 free?
calc318 is free to download, with in-app purchases available.
Which has better reviews, T Beam or calc318?
calc318 is rated higher. T Beam averages 2.0 out of 5 from 1 ratings, while calc318 averages 5.0 from 1 ratings.
Do T Beam or calc318 have ads?
Neither T Beam nor calc318 shows ads.
Which is updated more often, T Beam or calc318?
T Beam ships an update every 7 months, and calc318 every 3 months. Most recently, T Beam was updated on October 15, 2026 and calc318 on October 20, 2026.

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