Comparison

Home Builder Pro Calcs vs Stair Stringer

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

Head to head
About

Home Builder Pro Calcs

This app provides over 440 construction and home improvement calculations, including cost and time estimates, and quantity take-offs. It supports U.S. imperial and metric measurements, and allows calculations to be saved and emailed.

Highlights
  • 440+ construction calculators
  • Cost and time estimates
  • Quantity take-offs
  • Unit conversions
  • Save and email calculations
  • Decimal and fraction results
  • U.S. imperial and metric support
Features
Read full description

"Love this app makes my job much easier." - Danny O'Dea Thank you for your calculator suggestions. Now with 440 home improvement calculations and unit conversions Home Builder Pro Calcs gives you access to quickly and easily solve a variety of calculations including hours and cost estimates and take off quantities. Calculations can be saved and emailed. Easy to use and understand inputs and results in either decimals or fractions. Rich support for U.S., imperial, and metric measurements. Built-in calculator with support for ft/in and fractions. Current Calculators include: Business * 28 calculators for loans, pricing, travel costs, and more. Concrete & Paving * 11 calculators for asphalt, concrete, paver bricks, and more. Electrical * 5 different calculators Floors, Walls & Ceilings * 13 calculators for carpet, drywall, wall covering, tile, paint, and more. Foundations * 33 calculators for foundations, soil, grading, rebar, etc. Framing * 19 calculators for balusters, joists, studs, siding, stairs, and more Heating & A/C * 8 calculators for airflow, attics, fans, air conditions, insulation... Hours Estimates * Effort Factor * Over 55 different estimators for: * Carpentry - finish, siding, stairs, walls, ... * Concrete - blocks, bricks, concrete, reinforcement, tile, ... * Doors & Windows - garage doors, glass, metal, windows, wood, ... * Finishes - carpet, paint, wood floors, stucco, plaster, tile, .... * Roofing - roofing, sheathing, sheet metal, ... * Site Work - concrete demolition, excavation, stumps, trees, forms, culverts, landscape, ... Landscape & Yard * 15 calculators for fence, fertilizer, mulch, seeds, trees, mowing and more. Masonry * 8 calculators for walls, joints, core filling,... Miscellaneous * Area, Volume & Angle - 25 calculators for a variety of shapes. * Conversions - 26 different unit conversions * Glossary - Over 370 terms * 11 calculators for tanks, pulleys, weather, wrenches, ... Roof Framing and Roofing * 22 calculators for rafters, ridges, gables, pitch, trusses, shingles and more Wood & Materials * 20 calculators for lumber, nails, plywood, caulking, etc. You may also purchase add-on packs within the app. There are currently two add-ons available: Project Dates & Times * Over 35 calculators help you understand and manage project timing and deadlines. Sensor Angle * A set of 10 calculators that use the angle sensing ability of your iPhone or iPad to easily and accurate measure an angle and calculate a variety of other angles and lengths. Map Estimator * Estimate the distance and area using a map. Great for estimating size of yard, length of fence, etc. If there's a calculator you'd like to see added, visit our website and send us an email.

About

Stair Stringer

This app calculates all necessary measurements for building a stair stringer, including risers, run, angle, and length. Easily adjust parameters and switch between Imperial and Metric units. Share your calculated results via email or text.

Highlights
  • Calculates stair risers and run
  • Determines stair angle and stringer length
  • Calculates step height and tread depth
  • Determines the number of steps
  • Adjustable parameters
  • Imperial or Metric units
  • Share results via email/text
Features
Read full description

This App is used for finding the measurements needed to construct a Stair Stringer. It calculates stair risers and run, stair angle, stringer length, step height, tread depth, and the number of steps required for a given run of stairs.  Easy to adjust parameters to customize and fit your requirements. Inputs and Results can be Imperial or Metric. The calculated results can be emailed or texted as needed.

Screenshots

Home Builder Pro Calcs4 screens
Stair Stringer4 screens

Verdict

The call

The clearest difference is price: Stair Stringer at $1.99 against Home Builder Pro Calcs's $9.99. Stair Stringer also leads on update cadence (every 5 weeks vs every 3 months). Home Builder Pro Calcs's advantage is ratings volume (1.1K vs 86) and review sentiment (78% vs 67%). On rating, ads, in-app purchases 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

Home Builder Pro Calcs costs $9.99 and Stair Stringer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Home Builder Pro Calcs against 4.7 for Stair Stringer. That said, the two scores are not equally well evidenced: Home Builder Pro Calcs has 1.1K ratings behind it against 86, so its average is the more settled of the two. Written reviews are what separate them: 78% of Home Builder Pro Calcs's written reviews are positive against 67% of Stair Stringer's.

UpkeepUpdate frequency

Home Builder Pro Calcs ships an update every 3 months, Stair Stringer every 5 weeks. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Home Builder Pro Calcs versus Stair Stringer: the parameters behind the verdict, then further details
ParameterHome Builder Pro CalcsStair Stringer
Price$9.99$1.99 — better
Rating4.7 (1.1K ratings)4.7 (86 ratings)
Positive reviews78.1% of reviews — better66.7% of reviews
Number of ratings1.1K — better86
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better14.0
Further details — not scored
Size21 MB2 MB
Age rating4+4+
DeveloperCalculated IndustriesH3 Apps, LLC

Customer experience

Home Builder Pro Calcs

All ratings1,073 ratings
Positive93.8%
Neutral1.7%
Negative4.6%
Written reviews146 reviews
Positive78.1%
Neutral3.4%
Negative18.5%

Stair Stringer

All ratings86 ratings
Positive91.9%
Neutral4.7%
Negative3.5%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Home Builder Pro Calcs

Reported bugs

4 issues
  • Incorrect rafter calculations
  • Cannot delete tapes or history
  • Calculator freezes on certain inputs
  • Feet and inches input not working properly

Requested features

5 requests
  • Improved metric support
  • More customization options
  • Deck and fence calculators
  • Better organization and navigation
  • Tutorials and FAQs

Stair Stringer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Home Builder Pro Calcs

No in-app purchases

None

Stair Stringer

No in-app purchases

Questions

Is Home Builder Pro Calcs free?
Home Builder Pro Calcs costs $9.99, with no in-app purchases.
Is Stair Stringer free?
Stair Stringer costs $1.99, with no in-app purchases.
Which has better reviews, Home Builder Pro Calcs or Stair Stringer?
Home Builder Pro Calcs and Stair Stringer are both rated 4.7 out of 5 on the App Store, from 1.1K and 86 ratings respectively.
Do Home Builder Pro Calcs or Stair Stringer have ads?
Neither Home Builder Pro Calcs nor Stair Stringer shows ads.
Which is updated more often, Home Builder Pro Calcs or Stair Stringer?
Home Builder Pro Calcs ships an update every 3 months, and Stair Stringer every 5 weeks. Most recently, Home Builder Pro Calcs was updated on September 30, 2026 and Stair Stringer on September 23, 2026.

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