Box Fill Pro vs PullCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Box Fill Pro
This app simplifies electrical wiring box fill calculations with detailed breakdowns by wire size and component. It offers an optional cable counting mode and includes volumes for standard boxes and plaster rings for quick reference. Results are displayed on a single screen for easy access and can be shared via email.
- Detailed wire size and component calculations
- Optional cable counting mode
- Standard box and plaster ring volumes
- Single-screen input and results
- Email sharing of results
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Box Fill Pro is an easy to use app that calculates "Box Fill" requirements for an electrical wiring box. - Detailed calculations, broken down by indivdual wire size and component. - Optional "Cable mode" sizes boxes by counting cables, to simplify common calculations - Volumes for standard boxes, and "typical" plaster rings for handy reference. - All inputs and results on a single screen. No "Navigating" to do a simple calculation. - Easy sharing or documenting of results via email. - Written by a working electrician to make fast and useful calculations. - Significant new features, which are a partial subset of "Electrical Wiring Pro Plus", the premier electrical wiring app from Intineo LLC.
PullCalc
This app assists electricians and contractors in estimating the pull force required for installing electrical cables in conduit. Users input details for each leg of the conduit run, including wire size, conduit ID, and bend angles, to generate an approximate pull force calculation.
- Estimate pull force for cable installation
- Input data by conduit legs
- Supports various input parameters (wire size, conduit ID, bends)
- Includes coefficient of friction guidance
- Provides suggested friction coefficients for lubricated cable
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Greenlee continues to drive efficiency with PullCalc, an app that helps electricians and contractors approximate the pull force needed to install an electrical cable inside of conduit. Data is entered by "legs" and each leg is considered to be a straight run of conduit followed by a bend, except the last leg, which usually has no bend. The calculation for each leg requires the following information to be entered: - Wire size - Number of wires - Conduit I.D. - Duct Material - Material of the Cable Insulation - Coefficent of Friction* - Length of Leg - Bend angle - Vertical Rise *Due to unknown factors involved, it prohibits giving exact results, most notably the coefficient of friction. Lubrication, surface texture, and lay of the cable are never uniform along the length of a conduit run. Comparing the known forces of pulls against the estimated force should give you a guide as for a good coefficient of friction to use for similar future pulls, and a table with some suggested starting points for the coefficient of friction of well-lubricated cable is a drop down option in the app. If lubricant is not used, triple the values in the table.
Screenshots
Verdict
The clearest difference is review sentiment: PullCalc at 83% against Box Fill Pro's 29%. PullCalc also leads on rating (4.0 vs 2.8) and update cadence (every 2 months vs every 34 months). Box Fill Pro's advantage is iOS requirement (9.0 vs 16.6). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PullCalc holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 29% of Box Fill Pro's written reviews are positive against 83% of PullCalc's.
Box Fill Pro ships an update every 34 months, PullCalc every 2 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.
| Parameter | Box Fill Pro | PullCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (4 ratings) | 4.0 (3 ratings) — better |
| Positive reviews | 28.6% of reviews | 83.3% of reviews — better |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 34 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 15 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Intineo LLC | GREENLEE TOOLS, INC |
Customer experience
Box Fill Pro
PullCalc
In-app purchases
Box Fill Pro
No in-app purchases
PullCalc
No in-app purchases
Questions
Is Box Fill Pro free?
Is PullCalc free?
Which has better reviews, Box Fill Pro or PullCalc?
Do Box Fill Pro or PullCalc have ads?
Which is updated more often, Box Fill Pro or PullCalc?
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