Comparison

Construction Calc Pro 7 vs Bolster

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

Head to head
About

Construction Calc Pro 7

This app offers a comprehensive suite of 82 construction calculators for various tasks like concrete, drywall, and roofing. It allows measurements in both imperial and metric units and features a high-visibility display for use in direct sunlight.

Highlights
  • 82 construction calculators
  • Imperial and metric measurements
  • High visibility display
  • Aggregate, asphalt, concrete calculations
  • Drywall, flooring, framing tools
  • Paint, rafter, roofing calculators
Features
Read full description

83 Powerful, Proven & Precise Tools. Enter measurements in feet/inches or metric. There is no complicated manual to master or instructions to follow, just enter data and get precise results. HIGH VISIBILITY IN DIRECT SUNLIGHT White on black text, with blue and orange inputs and outputs for high visibility in direct sunlight. CALCULATORS INCLUDE: AGGREGATE Inputs: Width, Length, Thickness, Density, Wastage Outputs: Weight, Volume ASPHALT Inputs: Width, Length, Thickness Outputs: Weight, Volume BALUSTERS Inputs: Run length, Baluster width, Baluster spacing Outputs: Qty of balusters, Qty spaces, Baluster spacing (center-to-center), Baluster spacing (edge-to-edge), Measurements to far side of each baluster BOARD / LINEAL FOOT Inputs: Thickness, Width, Length, Quantity Outputs: Board feet, Lineal feet CONCRETE Inputs: Width, Length, Thickness, Use rebar option, Rebar spacing along width, Rebar spacing along length Outputs: Volume, 60lb premixed bags, 80lb premixed bags, 10kg premixed bags, 25kg premixed bags, 50kg premixed bags, Rebar required CROWN MOULDING Inputs: Wall angle (corner of wall), Crown (spring) angle Outputs: Miter angle, Bevel angle DROP CEILING Inputs: Length at ceiling, Width at ceiling, Tile size, Distance (anchor to drop ceiling) Outputs: Ceiling area, Ceiling tiles, Perimeter moulding, Main supports, Tee support peices, Wire length (each), Wire length (total), Wire anchors DRYWALL Inputs: Room width, Room length, Room height, Panel width, Panel height, Include ceiling option Outputs: Area - surface area. Materials - Drywall panels. Joint compounds - Readymixed, Lightweight readymixed, Setting-type, Lightweight setting-type. Fastener - Drywall nails, Drywall screws. Additional items: Joint tape, Primer, Adhesive FLOORING Inputs: Width, Length, Wastage, Square Ft or M per box Outputs: Total area, Boxes needed FRAMING Inputs: Total wall length, Qty of windows, Qty of doors, Qty of corners, Stud spacing (on center) Outputs: Studs required LINEAR COST ESTIMATOR Inputs: Single panel length, Qty of panels, Cost per linear foot, Cost per linear meter Outputs: Total cost, Total length PAINT Inputs: Wall length, Wall height, Number of coats, Surface type Outputs: Gallons required, Liters required RAFTER Inputs: Run, Pitch (/12") Outputs: Rafter length RISE/RUN/ANGLE Inputs: Rise, Run, Angle (Enter rise and either run or angle) Outputs: Angle, slope, Run ROOFING Inputs: Width, Length, Pitch, Sq ft or M per pack, Type, Nails, Safety margin Outputs: Roof surface area, Packs needed, Nails SQ COST ESTIMATOR Inputs: Width, Length, Cost per Sq ft or M Outputs: Total cost, Total area, Total area (acres)

About

Bolster

Streamline construction project management with this comprehensive tool. Track progress, manage tasks, and collaborate with your team efficiently. Designed for contractors to simplify daily operations and improve project oversight.

Highlights
  • Project management
  • Task tracking
  • Team collaboration
  • Mobile enhancements
  • iPad updates
Read full description

Provide homeowners a real-time buying experience at a true point-of-sale and transform your estimates into a virtual showroom. Show price changes instantly for upgrades and modifications – allowing you to sell more. Built-in automations mean you can manage your whole business on our platform. Homeowners know what they are buying, and can trust the quotes they receive. More than double your revenue today with dynamic proposals, live upgrades and a virtual showroom.

Screenshots

Construction Calc Pro 74 screens
Bolster4 screens

Verdict

The call

The clearest difference is rating: Construction Calc Pro 7 at 4.3 against Bolster's 3.0. Construction Calc Pro 7 also leads on review sentiment (25% vs 0%) and ratings volume (28 vs 2). Bolster's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, 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 Calc Pro 7 sells 1 one-off in-app purchase. Bolster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Construction Calc Pro 7 holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Construction Calc Pro 7 has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Construction Calc Pro 7's written reviews are positive against 0% of Bolster's.

UpkeepUpdate frequency

Construction Calc Pro 7 ships an update every 2 months, Bolster monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Construction Calc Pro 7 versus Bolster: the parameters behind the verdict, then further details
ParameterConstruction Calc Pro 7Bolster
PriceFreeFree
Rating4.3 (28 ratings) — better3.0 (2 ratings)
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings28 — better2
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size88 MB137 MB
Age rating4+4+
DeveloperTroy KnightCost Certified

Customer experience

Construction Calc Pro 7

All ratings28 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews8 reviews
Positive25.0%
Neutral37.5%
Negative37.5%

Bolster

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Construction Calc Pro 7

One-time1
  • Premium ad-free version$3.99
None

Bolster

No in-app purchases

Questions

Is Construction Calc Pro 7 free?
Construction Calc Pro 7 is free to download, with in-app purchases available.
Is Bolster free?
Bolster is free to download, with no in-app purchases.
Which has better reviews, Construction Calc Pro 7 or Bolster?
Construction Calc Pro 7 is rated higher. Construction Calc Pro 7 averages 4.3 out of 5 from 28 ratings, while Bolster averages 3.0 from 2 ratings.
Do Construction Calc Pro 7 or Bolster have ads?
Construction Calc Pro 7 shows ads; Bolster does not.
Which is updated more often, Construction Calc Pro 7 or Bolster?
Construction Calc Pro 7 ships an update every 2 months, and Bolster monthly. Most recently, Construction Calc Pro 7 was updated on November 2, 2026 and Bolster on October 30, 2026.

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