Comparison

RTI SMARTHOME vs Construction Calculator °

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

Head to head
About

RTI SMARTHOME

Features
Read full description

Manage your home network using RTI SMARTHOME. Take advantage of features such as parental controls, network security, device management, and setting priorities.

About

Construction Calculator °

This app provides fast and accurate building calculations for construction professionals and DIYers. It offers free tools for measurements, spacing, and angles, with optional pro features for stairs, concrete, and baluster spacing via subscription.

Highlights
  • Fast, accurate building math
  • Type measurements naturally
  • Free calculators for spacing and angles
  • Pro calculators for stairs and concrete
  • Smart measurement keys
  • Save and share results
Features
Read full description

Construction Calculator ° — fast, accurate building math for the job site. Type a measurement the way you'd say it — 12' 6 1/2", 150, or 6 1/2 — and the answer appears instantly at the top of the screen. No Calculate button, no converting by hand. Results are rounded to the nearest 1/16", just like a tape measure. FREE CALCULATORS • Running Measurements — marks at a set spacing from any starting point • Equal Spacing — divide any length into equal spaces, with every mark listed • Check Square — the diagonal your layout should have, and how far out it is • Right Triangle — find the missing side from any two sides, plus angles and pitch • Pitch — pitch, angle, slope and sloped length from rise and run • Unit Converter — feet and inches to metric and back, with a 1/16" fractions table PRO CALCULATORS (subscription) • Stair Calculator — riser height, tread depth, stringer length and angle, with warnings when stairs fall outside common code limits • Concrete Calculator — slabs, footings and round columns, with waste allowance and 60 lb / 80 lb bag counts • Baluster Spacing — fewest balusters that keep every gap under your maximum, and the position of each one • Rake Wall — top plate length, pitch, and the length of every stud BUILT FOR WORK • Smart measurement keys: ft, in, fraction and space above the number pad • Shows how it read each entry, so typing mistakes are easy to spot • Speak: tap to hear results read aloud • Save results to History, search them later, or share them with your crew • Dark mode and large text support WHO IT'S FOR Contractors, carpenters, framers, deck builders and DIYers who want quick, reliable numbers without a pencil and scrap of plywood. Results are a planning aid. Always confirm measurements on site and check your local building code. SUBSCRIPTION Pro is available as a monthly or yearly auto-renewing subscription. Prices are shown in the app in your local currency. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel anytime in your device Settings › your name › Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.becomechad.com/main-privacy-policy

Screenshots

RTI SMARTHOME4 screens
Construction Calculator °4 screens

Verdict

The call

The clearest difference is in-app purchases: RTI SMARTHOME at none against Construction Calculator °'s 2. RTI SMARTHOME also leads on update cadence (every 3 months vs every 8 months). 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. Construction Calculator ° sells 2 in-app purchases, starting at $0.99 per month. RTI SMARTHOME asks for nothing beyond the download.

UpkeepUpdate frequency

RTI SMARTHOME ships an update every 3 months, Construction Calculator ° every 8 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 7 level
RTI SMARTHOME versus Construction Calculator °: the parameters behind the verdict, then further details
ParameterRTI SMARTHOMEConstruction Calculator °
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 months — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size111 MB2 MB
Age rating4+4+
DeveloperRural Telephone IncNikhil Kumar

In-app purchases

None

RTI SMARTHOME

No in-app purchases

2 purchases

Construction Calculator °

Subscriptions2
  • Construction Calculator Pro$0.991 Month
  • Construction Calculator Pro$9.991 Year

Questions

Is RTI SMARTHOME free?
RTI SMARTHOME is free to download, with no in-app purchases.
Is Construction Calculator ° free?
Construction Calculator ° is free to download, with in-app purchases available.
Do RTI SMARTHOME or Construction Calculator ° have ads?
Neither RTI SMARTHOME nor Construction Calculator ° shows ads.
Which is updated more often, RTI SMARTHOME or Construction Calculator °?
RTI SMARTHOME ships an update every 3 months, and Construction Calculator ° every 8 months. Most recently, RTI SMARTHOME was updated on November 7, 2026 and Construction Calculator ° on October 30, 2026.

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