Construction Calc Lite vs ExSciCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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"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
Verdict
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
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.
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.
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.
| Parameter | Construction Calc Lite | ExSciCalc |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.6 (136 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 53.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 136 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Snappy Appz Inc. | Dale C Koepp |
Customer experience
Construction Calc Lite
ExSciCalc
In-app purchases
Construction Calc Lite
No in-app purchases
ExSciCalc
No in-app purchases
Questions
Is Construction Calc Lite free?
Is ExSciCalc free?
Which has better reviews, Construction Calc Lite or ExSciCalc?
Do Construction Calc Lite or ExSciCalc have ads?
Which is updated more often, Construction Calc Lite or ExSciCalc?
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