Construction Calculator Pro #1 vs Chalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Construction Calculator Pro #1
This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.
- Dimensional conversions (feet-inch, decimal, metric)
- Rafter, stair, and angle calculations
- Area, volume, and material estimations
- Roofing, drywall, and siding estimates
- Quick input with preset fraction buttons
Read full descriptionHide full description
Construction Calculator Pro #1 The Smartest Tool for Builders, Contractors, and Tradespeople Whether you’re framing a roof, estimating materials, or laying out stairs, Construction Calculator Pro #1 gives you the precision, speed, and reliability you need on the job. Designed for professionals, this app offers a full suite of advanced construction math features — from dimensional conversions to complex angle and rafter calculations — all in one powerful, easy-to-use tool. Key Features: Advanced Construction Math • Easily switch between feet-inch-fractions, decimal feet, metric units, and more • Preset fraction buttons for quick and accurate input • Convert seamlessly between all major formats Rafter, Stair & Angle Solutions • Calculate rise, run, and diagonal instantly • Handle common, hip, valley, and jack rafters with ease • Get precise cuts and angles for stairs, rake walls, and compound miters Area, Volume & Material Estimations • Compute square footage, cubic volume, and plan areas • Estimate roofing (bundles, sheets, pitch), drywall, siding, and more • Quickly calculate block and footing quantities Why Professionals Choose It: • Eliminates guesswork and reduces costly errors • Saves time on-site and during planning • Offers the versatility of two top-tier construction calculators in one app Built for those who build. Download Construction Calculator Pro #1 and put industry-grade power in your pocket. Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://equable-stock-b78.notion.site/Privacy-Policy-230ecf57511e8055b033ff10a63428be
Chalk
This construction calculator handles metric and imperial units seamlessly, offering specialized tools for various trades like framing, tiling, and concrete work. It features an AI advisor for job guidance and works offline, ensuring accessibility on any job site.
- Metric and imperial unit support
- Specialized trade calculators (stairs, rafters, concrete, etc.)
- AI Advisor for job guidance
- Offline functionality
- Adjustable fraction precision
- Saved projects
Read full descriptionHide full description
Type feet, inches and fractions the way you say them. Chalk's keypad takes 5 ft 3 1/2 in on one line, with one-tap fraction keys for 1/2, 1/4, 1/8 and 1/16, and answers in feet, inches and fractions. No decimal-feet guesswork and no converting in your head. Add, subtract, multiply and divide measurements on the tape calculator, then let Chalk do the job math. Every result rounds to the fraction precision you pick, down to 1/64 of an inch. THE TOOLBOX • Stairs: risers, treads, stringer length, angle and a code check • Rafters and Roof: common and hip or valley lengths from span and pitch • Concrete: slabs, footings and post holes, with bag counts • Framing and Studs: stud counts and plate lineal for any wall • Drywall: sheets, screws, compound and tape • Tiling: tiles, adhesive and grout, waste included • Brick and Block: US, UK and AU sizes, plus mortar • Decking: board rows, lineal length and fasteners • Board Feet: lumber volume and cost • Equal Spacing and Balusters: even layouts that meet code • Aggregates: gravel, sand, soil and asphalt by volume and weight • Running Measurements: layout tables from a start point and interval • Chalk Pad: a full-size dimensional calculator with memory and rise, run, pitch, diagonal, hip, jack and stair keys • Free tools: tape calculator, triangle solver, square footage and volume, pitch and slope, square check and a unit converter METRIC WHEN YOU NEED IT Working from a metric plan? Switch to millimeters and meters in Settings. Every result shows both systems, and one entry can even mix units. ASK THE ADVISOR Chalk's AI Advisor talks the job through: quantities, materials, layout and sequencing. Attach a saved project and it works with your exact numbers. The Advisor needs a connection. Every calculator works offline. BUILT FOR THE JOB SITE • Works fully offline, with no account and no ads • A clear diagram on every calculator • Saved projects keep every number with the job it belongs to • Light, Dark or System appearance • Big results you can read in the sun MADE FOR Carpenters, framers, contractors, builders, concrete crews, remodelers and serious DIYers. Chalk Pro unlocks every trade calculator, the Chalk Pad, the AI Advisor and saved projects. Weekly and yearly subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Results are estimates, so always check quantities before ordering. Privacy Policy: https://chalkcalc.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms and Conditions: https://chalkcalc.com/terms Support: support@chalkcalc.com
Screenshots
Verdict
The clearest difference is in-app purchases: Construction Calculator Pro #1 at none against Chalk's 2. Construction Calculator Pro #1 also leads on ratings volume (97 vs 2) and iOS requirement (17.0 vs 26.0). Chalk's advantage is rating (5.0 vs 4.5) and update cadence (every 3 months vs every 12 months). On price, 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
Both are free to download. Chalk sells 2 in-app purchases, starting at $2.99 per 7 days. Construction Calculator Pro #1 asks for nothing beyond the download.
Chalk holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Construction Calculator Pro #1 has 97 ratings behind it against 2, so its average is the more settled of the two.
Construction Calculator Pro #1 ships an update every 12 months, Chalk every 3 months. Both last shipped on October 24, 2026.
| Parameter | Construction Calculator Pro #1 | Chalk |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (97 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 97 — better | 2 |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 15 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Oryx | Lionary LLC |
Customer experience
Construction Calculator Pro #1
Chalk
In-app purchases
Construction Calculator Pro #1
No in-app purchases
Chalk
- Chalk Pro Weekly$2.997 Days
- Chalk Pro Yearly$17.991 Year
Questions
Is Construction Calculator Pro #1 free?
Is Chalk free?
Which has better reviews, Construction Calculator Pro #1 or Chalk?
Do Construction Calculator Pro #1 or Chalk have ads?
Which is updated more often, Construction Calculator Pro #1 or Chalk?
Other comparisons















