Comparison

Construction Calc Lite vs ExSciCalc

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

Head to head
About

Construction Calc Lite

A specialized calculator for construction professionals and anyone working with measurements in feet and inches. Perform complex calculations, scale drawings, and determine angles and material quantities with ease. Features include fractional inch support, history recall, and customizable rounding.

Highlights
  • Feet, inch, and fractional inch calculations
  • Drawing scaling
  • Miter and triangle angle calculations
  • Material quantity and cost estimation
  • Fraction reduction
  • History list for value reuse
  • Customizable rounding precision
Features
Read full description

Designed by tradespeople, for tradespeople. Construction Calc Lite handles the heavy lifting of jobsite math—fractions, dimensional conversions, framing, and layout—so you can focus on the build. Whether you're a carpenter, concrete finisher, framer, superintendent, or DIYer, Construction Calc Lite delivers fast, accurate jobsite calculations with zero guesswork. WHY TRADES CHOOSE CONSTRUCTION CALC • True Feet-Inch-Fraction Math: Add, subtract, multiply, and divide in full dimensional fractions down to 1/16th (or user-set precision) with automatic reduction. • Seamless Unit Switching: Effortlessly mix Imperial and Metric. Convert feet-inch-fractions to meters, centimeters, or millimeters in a single tap. • Split-Screen Display: View decimal values, feet/inch fractions, memory registers, and scale factors simultaneously in large, high-visibility text. • Visual Cut & Layout Solvers: Dedicated modules for right triangles, miters, arcs, and baluster spacing complete with clear visual diagrams. • 50 Memory Registers & Full History: Never lose a cut list or measurement. Easily recall previous calculations on the fly. DEDICATED MODULES FOR EVERY TRADE • Framing & Layout: Calculate stud, fence post, and baluster spacing (horizontal, angled, or circular). • Miters & Trim: Visual miter and bevel angle calculator for crown molding and finish carpentry. • Geometry & Stairs: Instant solutions for right triangles, diagonals, rafter lengths, arcs, and chords. • Concrete, Volume & Area: Quickly calculate slab volume, footings, room square footage, and block/tank capacities. • Materials & Coverage: Estimate drywall sheets, tile, paint, and material costs with built-in waste allowances. • Smart Blueprint Scaling: Instantly scale plan drawings up or down to true field dimensions. BUILT FOR THE JOBSITE • High-Contrast Display: Large, legible fonts engineered for bright outdoor sunlight or dark crawl spaces. • Works 100% Offline: No cell service required on remote sites.

About

ExSciCalc

This calculator offers enhanced precision and memory beyond standard devices. It includes advanced functions for statistics, physics, and mathematics, alongside common calculations and unit conversions.

Highlights
  • Extended precision (30+ digits)
  • Extended memory (main + 10 auxiliary)
  • Scroll windows for button access
  • Statistical calculations
  • Physical and mathematical constants
  • Unit conversions
  • Roots of equations
  • Special relativity calculations
Features
Read full description

"Extended" scientific calculator has more features than typical calculators, including: • Extended precision (30+ digits), twice that of typical calculators. • Extended memory including a main memory with statistical information, and 10 auxiliary memory values. • Extended space for buttons using scroll windows--no confusing modes and function keys. • Extended functions not found on most calculators including (but not limited to): ◇ Statistical information for calculating standard deviation (tied to the M+ key) ◇ Most common physical constants and mathematical constants ◇ Extensive unit conversion constants ◇ Roots of polynomials and some transcendental equations ◇ Special relativity calculations • And normal functions including: ◇ Normal and hyperbolic trigonometry ◇ Various logs, powers and roots ◇ % calculations including interest and amortization ◇ Temperature conversion ◇ Random numbers ◇ Averages and means

Screenshots

Construction Calc Lite4 screens
ExSciCalc4 screens

Verdict

The call

The clearest difference is review sentiment: ExSciCalc at 100% against Construction Calc Lite's 54%. ExSciCalc also leads on ads (none vs shown) and rating (5.0 vs 4.6). Construction Calc Lite's advantage is price (Free vs $1.99) and ratings volume (136 vs 1). On 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

Construction Calc Lite is free to download; ExSciCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ExSciCalc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Construction Calc Lite has 136 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of Construction Calc Lite's written reviews are positive against 100% of ExSciCalc's.

UpkeepUpdate frequency

Construction Calc Lite ships an update every 2 months, ExSciCalc every 3 weeks. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

Scorecard8 real differences · 2 level
Construction Calc Lite versus ExSciCalc: the parameters behind the verdict, then further details
ParameterConstruction Calc LiteExSciCalc
PriceFree — better$1.99
Rating4.6 (136 ratings)5.0 (1 ratings) — better
Positive reviews53.6% of reviews100.0% of reviews — better
Number of ratings136 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.014.0 — better
Further details — not scored
Size31 MB1 MB
Age rating4+4+
DeveloperSnappy Appz Inc.Dale C Koepp

Customer experience

Construction Calc Lite

All ratings136 ratings
Positive89.7%
Neutral2.2%
Negative8.1%
Written reviews28 reviews
Positive53.6%
Neutral14.3%
Negative32.1%

ExSciCalc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Construction Calc Lite

No in-app purchases

None

ExSciCalc

No in-app purchases

Questions

Is Construction Calc Lite free?
Construction Calc Lite is free to download, with no in-app purchases.
Is ExSciCalc free?
ExSciCalc costs $1.99, with no in-app purchases.
Which has better reviews, Construction Calc Lite or ExSciCalc?
ExSciCalc is rated higher. Construction Calc Lite averages 4.6 out of 5 from 136 ratings, while ExSciCalc averages 5.0 from 1 ratings.
Do Construction Calc Lite or ExSciCalc have ads?
Construction Calc Lite shows ads; ExSciCalc does not.
Which is updated more often, Construction Calc Lite or ExSciCalc?
Construction Calc Lite ships an update every 2 months, and ExSciCalc every 3 weeks. Most recently, Construction Calc Lite was updated on October 17, 2026 and ExSciCalc on October 2, 2026.

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