Southwire® Voltage Drop Calc vs Jonas Construction Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Southwire® Voltage Drop Calc
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
- Determine wire size for voltage drop
- Calculate voltage drop for conductor runs
- Limit wire size by voltage drop
- Limit wire size by NEC ampacity
- Supports AWG and KCMIL sizes
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Southwire's voltage drop calculator will help you determine the proper wire size for an electrical circuit based on the voltage drop and current carrying capacity of an electrical circuit. Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. When sizing conductors, calculations limits wire size to voltage drop and NEC ampacity. Southwire's Voltage Drop Calculator is designed for applications using AWG and KCMIL sizes only.
Jonas Construction Tools
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Jonas Construction Tools, JCT
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Verdict
The clearest difference is iOS requirement: Jonas Construction Tools at 11.0 against Southwire® Voltage Drop Calc's 15.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Southwire® Voltage Drop Calc | Jonas Construction Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.5K ratings) — better | — |
| Positive reviews | 48.1% of reviews | — |
| Number of ratings | 1.5K — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Jonas Software |
Bugs and requests
Southwire® Voltage Drop Calc
Reported bugs
24 issues- Useless!
- Won't work
- How to use
- Confused
- Bad app
Show 19 moreShow fewer
- Bad
- Not applicable for Residential
- Electrician
- Terrible
- Not working
- What??
- Terrible
- Don't work
- Terrible
- Choice Between AWG and Metric wire Gauge
- Updated app not so simple
- The last version was better
- App
- Terrible
- Voltage drop calculator
- IOS 8
- One flaw
- Worst app ever
- Average
Requested features
2 requests- Motor starting Voltage drop calculation
- Metric wire size options
Jonas Construction Tools
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Southwire® Voltage Drop Calc
No in-app purchases
Jonas Construction Tools
No in-app purchases
Questions
Is Southwire® Voltage Drop Calc free?
Is Jonas Construction Tools free?
Do Southwire® Voltage Drop Calc or Jonas Construction Tools have ads?
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