RMU2 Config vs Construction Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RMU2 Config
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*** Requires a corTalk® RBT1 or RMU123PGM and RMU2 to use. *** Contact us at 'sales.rmu2@mobiltex.com' to purchase. This app is for configuring the corTalk® RMU2 (Remote Monitoring Unit 2) with a Bluetooth configuration interface. Both the RBT1 or RMU123PGM are compatible. They both function as a complete RMU2 programming interface but only requires the Bluetooth connection of your phone to use. The RMU2 is used to monitor a cathodic protection rectifier with accurate measurement of a wide variety of signals. This app allows access to diagnostic information on the RMU2 and setting up the configuration to meet the customer's needs. The app allows full configuration of the RMU2 including - slot measurement types - limits - slot scaling and offset - location Other features include the - viewing of readings and their limits - detailed status screen for troubleshooting - integrated manual - wiring diagrams for each measurement type The RBT1 and RMU123PGM is always in a Bluetooth pairing mode and requires a pairing code entered on the app. The pairing code (default=123456) can be found and changed with the app. Once paired, the iOS device can reconnect without needing to re-enter the code. The RBT1 pairing code can be reset by tapping the RBT1 5 times in 10 seconds with a user-supplied magnet.
Construction Calc
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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.
Screenshots
Verdict
The clearest difference is price: RMU2 Config at Free against Construction Calc's $7.99. RMU2 Config also leads on iOS requirement (15.6 vs 26.0). Construction Calc's advantage is update cadence (weekly vs every 3 months). On 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
RMU2 Config is free to download; Construction Calc costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RMU2 Config ships an update every 3 months, Construction Calc weekly. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.
| Parameter | RMU2 Config | Construction Calc |
|---|---|---|
| Price | Free — better | $7.99 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 22 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Mobiltex Data | Snappy Appz Inc. |
In-app purchases
RMU2 Config
No in-app purchases
Construction Calc
No in-app purchases
Questions
Is RMU2 Config free?
Is Construction Calc free?
Do RMU2 Config or Construction Calc have ads?
Which is updated more often, RMU2 Config or Construction Calc?
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