Southwire® Conduit Fill Calc vs Panel Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Southwire® Conduit Fill Calc
This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.
- Conduit size calculation
- NEC fill percentages
- Jam probability
- Email results
- Quick navigation
Read full descriptionHide full description
Southwire has created this great tool to help electricians, engineers and contractors answer the question, “What size conduit do I use” per the NEC®, includes fill percentages and jam probability. If you do not have the NEC book handy or do not want to spend time manually calculating the Conduit Fill %, this is the right app for you. The app provides quick and easy navigation. Enter the Conduit Type and Size and specify your conductors. The App will calculate the Conduit Fill % as per NEC Guidelines. Southwire Company is North America’s leading manufacturer of wire and cable used in the distribution transmission of electricity. Throughout its history, our company has sought to deliver power through our products, our service and by helping empower our customers, employees and communities. The App Answers the question, “What size conduit do I use” includes fill percentages and jam probability per the NEC®. With one click, you can email your results.
Panel Tracker
Organize your electrical panel by labeling breakers with custom notes. Get an instant overview and share your panel layout easily. Data is stored locally for privacy, with optional syncing.
- Custom breaker labels
- Detailed notes for each breaker
- Instant panel overview
- Customizable to panel size
- Effortless sharing
- Secure local storage
Read full descriptionHide full description
Easily label your electrical panel's breakers: Organize your panel by assigning custom labels to each breaker for quick identification. Add detailed notes: Keep track of important information for each breaker, like appliance connections or maintenance history. Instant overview of your panel: See all breaker labels and notes at a glance with a clear and concise layout. Tailor your panel to fit your needs: Fully customizable to match the exact number of breakers in your panel. Effortless sharing: Share your panel with others, whether it's with family members, electricians, or tenants. Secure, local storage: All your panel data stays stored locally by default for maximum privacy, with the option to sync for easy backup and sharing.
Screenshots
Verdict
The clearest difference is rating: Southwire® Conduit Fill Calc at 4.5 against Panel Tracker's 1.0. Southwire® Conduit Fill Calc also leads on update cadence (monthly vs every 15 months) and ratings volume (746 vs 1). On price, ads, in-app purchases and monetization model 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.
Southwire® Conduit Fill Calc holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Southwire® Conduit Fill Calc has 746 ratings behind it against 1, so its average is the more settled of the two.
Southwire® Conduit Fill Calc ships an update monthly, Panel Tracker every 15 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | Southwire® Conduit Fill Calc | Panel Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (746 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 70.2% of reviews | — |
| Number of ratings | 746 — better | 1 |
| Update frequency | Monthly — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 19 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Rooted Software |
Customer experience
Southwire® Conduit Fill Calc
Panel Tracker
Bugs and requests
Southwire® Conduit Fill Calc
Reported bugs
6 issues- Blank white screen on app launch
- Conduit size data erased when changing conduit type
- Inaccurate fill calculations compared to NEC standards
- Jam probability calculations not accurate
- App crashes and fails to display results
Show 1 moreShow fewer
- No method to reload or recover from crashes
Requested features
8 requests- Add 16 & 18 AWG wire sizes
- Include bare solid copper and other conductor types
- Save calculation history/results
- Voltage drop calculator
- Maximum wire count per conduit type calculator
Show 3 moreShow fewer
- Conduit length parameter
- Restore calculate button functionality
- Auto-fill missing fields
Panel Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Southwire® Conduit Fill Calc
No in-app purchases
Panel Tracker
No in-app purchases
Questions
Is Southwire® Conduit Fill Calc free?
Is Panel Tracker free?
Which has better reviews, Southwire® Conduit Fill Calc or Panel Tracker?
Do Southwire® Conduit Fill Calc or Panel Tracker have ads?
Which is updated more often, Southwire® Conduit Fill Calc or Panel Tracker?
Other comparisons















