Comparison

Construction Calculator SumPro vs DeckMate

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

Head to head
About

Construction Calculator SumPro

This app streamlines construction calculations for professionals and DIYers. It handles measurements, material estimates, and complex math for tasks like stairs, roofing, and concrete, eliminating the need for multiple tools.

Highlights
  • Feet, inches, fractions, metric conversions
  • Stair layout and rafter calculations
  • Roofing estimates and material counts
  • Concrete volume calculators
  • Material count rounding
  • Regional presets
Features
Read full description

Construction Calculator is a fast jobsite calculator built for contractors, carpenters, builders, remodelers, estimators, and DIY projects. Handle everyday construction math without switching between spreadsheets, notes, and manual formulas. Calculate feet, inches, fractions, metric conversions, stairs, rafters, roofing, concrete, framing, finishes, masonry, site materials, and basic bid markup from one clean app. Key features: • Feet, inches, fractions, yards, and metric conversions • Pitch, rise, run, diagonal, hip/valley, jack rafter, rake wall, and board feet tools • Stair layout with riser count, riser height, tread count, total run, and angle • Advanced triangle, circle, and arc calculators • Roofing estimates with pitch, waste, squares, and bundle counts • Wall stud, drywall, flooring, paint, block wall, fence post, gravel, and mulch calculators • Concrete slab, footing, and post hole volume calculators • Material count rounding settings • Regional presets for units, currency, and common defaults • Saved tape for keeping important results • Copy, paste, share, memory, and theme options Construction Calculator helps speed up common field math for measuring, planning, estimating, and checking quantities before ordering materials or making cuts. Use it for framing layouts, stair planning, roof math, concrete ordering, finish material estimates, site work, and quick job cost checks. Calculations are intended as helpful estimates. Always verify measurements, local building codes, engineering requirements, and supplier specifications before cutting, ordering, or building. Unlimited option available Construction Calculator offers an auto-renewing yearly with a 3-day free trial and monthly subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use: https://lxmob.com/terms-of-use 
Privacy Policy: https://lxmob.com/privacy-policy

About

DeckMate

Features
Read full description

DeckMate is the fastest way to price a timber deck. Sketch the deck shape with your finger, drag stairs and pergolas into place, and DeckMate builds the full take-off for you: decking, joists, bearers, stumps, concrete, screws and labour. FOR CARPENTERS AND DECK BUILDERS - Draw any deck shape, multi-section decks included - Real framing logic: joists at 450 centres, doubled bearers, stumps at 1500 - Stairs with compliant risers, box-frame or stringer framing - Picture-frame borders priced with their trimmer and noggin framing - 2D plans, subfloor and frame drawings, and a spinning 3D preview - A client-ready quote with your logo, margin and deposit terms - Send quotes and win jobs from local homeowners FOR HOMEOWNERS - Post your deck job free and get quotes from local carpenters - Rough price guide up front, so there are no surprises Your first 3 quotes are free. DeckMate Solo is a simple monthly subscription after that. DECKMATE SOLO — SUBSCRIPTION DeckMate Solo is an auto-renewing subscription: A$19.99 per month (prices vary by region). It removes the free-quote limit and unlocks the drawing sheets and permit packs, and your quotes go out under your name alone. Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours of the end of the period. Manage or cancel in Settings › Apple Account › Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://deckmate.com.au/privacy

Screenshots

Construction Calculator SumPro4 screens
DeckMate4 screens

Verdict

The call

The clearest difference is update cadence: DeckMate at daily against Construction Calculator SumPro's every 2 weeks. DeckMate also leads on iOS requirement (15.1 vs 17.0). On price, 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

Both are free to download. Construction Calculator SumPro sells 3 in-app purchases, starting at $7.99 per month and DeckMate sells 1 in-app purchase, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Construction Calculator SumPro ships an update every 2 weeks, DeckMate daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Construction Calculator SumPro versus DeckMate: the parameters behind the verdict, then further details
ParameterConstruction Calculator SumProDeckMate
PriceFreeFree
Rating4.4 (158 ratings) — better—
Number of ratings158 — better—
Update frequencyEvery 2 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size46 MB25 MB
Age rating4+4+
DeveloperLxmob LLCJinho lee

In-app purchases

3 purchases

Construction Calculator SumPro

Subscriptions2
  • Construction Cal PRO$7.991 Month
  • Construction Cal PRO3 Days trial$39.991 Year
One-time1
  • Construction Cal PRO$89.99
1 purchases

DeckMate

Subscriptions1
  • DeckMate Solo$12.991 Month

Questions

Is Construction Calculator SumPro free?
Construction Calculator SumPro is free to download, with in-app purchases available.
Is DeckMate free?
DeckMate is free to download, with in-app purchases available.
Do Construction Calculator SumPro or DeckMate have ads?
Neither Construction Calculator SumPro nor DeckMate shows ads.
Which is updated more often, Construction Calculator SumPro or DeckMate?
Construction Calculator SumPro ships an update every 2 weeks, and DeckMate daily. Most recently, Construction Calculator SumPro was updated on November 5, 2026 and DeckMate on October 31, 2026.

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