# FieldVolt Electrical vs TruePhase

The clearest difference is iOS requirement: FieldVolt Electrical at 13.0 against TruePhase's 15.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. FieldVolt Electrical sells 2 in-app purchases, starting at $4.99 per month and TruePhase sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for FieldVolt Electrical against 5.0 for TruePhase. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

FieldVolt Electrical ships an update every 2 months, TruePhase every 6 weeks. The most recent releases landed on September 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FieldVolt Electrical | TruePhase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fieldvolt-electrical/id6761079218/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/truephase-wire-color-codes/id6771228149/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Freemium | Freemium |
| Size | 66 MB | 2 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MATTHEW DAVID KOVALIK](https://appshunter.io/developer/1887675427) | [Nicole Nalley](https://appshunter.io/developer/1894562817) |

## What reviewers say

### FieldVolt Electrical

[App page](https://appshunter.io/ios/app/fieldvolt-electrical/id6761079218)

This app assists electricians with complex calculations for pipe bending, conduit fill, ampacity, voltage drop, and box fill. It also offers a professional subscription for expert electrical advice and troubleshooting.

**Highlights:** Pipe bending calculations (offsets, saddles), Conduit fill calculations (NEC Table 1), Ampacity and wire sizing, Voltage drop calculations, Box fill calculations (NEC 314.16), Expert electrical advice subscription

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldVolt Pro | $4.99 | per month |
| FieldVolt Pro | $49.99 | per year |


### TruePhase

[App page](https://appshunter.io/ios/app/truephase-wire-color-codes/id6771228149)

Quickly find wire colors and circuit phases for electrical panels. Offers free basic lookups and a Pro subscription for advanced features like saved panels, custom labeling, and PDF export.

**Highlights:** Circuit number lookup, Wire color and phase identification, Saved panels with load descriptions, 2-pole and 3-pole breaker labeling, Printable PDF panel schedules, CSV export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TruePhase Pro | $0.99 | per month |
| TruePhase Pro | $4.99 | per year |
| TruePhase Pro Unlock | $4.99 | one-time |


## Frequently asked questions

### Is FieldVolt Electrical free?

FieldVolt Electrical is free to download, with in-app purchases available.

### Is TruePhase free?

TruePhase is free to download, with in-app purchases available.

### Which has better reviews, FieldVolt Electrical or TruePhase?

FieldVolt Electrical and TruePhase are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do FieldVolt Electrical or TruePhase have ads?

Neither FieldVolt Electrical nor TruePhase shows ads.

### Which is updated more often, FieldVolt Electrical or TruePhase?

FieldVolt Electrical ships an update every 2 months, and TruePhase every 6 weeks. Most recently, FieldVolt Electrical was updated on September 27, 2026 and TruePhase on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*