# Ugly's Electrical References vs FieldStack

The clearest difference is price: FieldStack at Free against Ugly's Electrical References's $12.99. FieldStack also leads on update cadence (every 8 days vs every 3 months). Ugly's Electrical References's advantage is chart position (#8 vs unranked) and iOS requirement (17 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

FieldStack is free to download; Ugly's Electrical References costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ugly's Electrical References ships an update every 3 months, FieldStack every 8 days. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Ugly's Electrical References | FieldStack |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.4 (1.5K ratings)](https://appshunter.io/ios/app/uglys-electrical-references/id1134770838/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Paid | — |
| Best chart rank | **#8** | — |
| Size | 63 MB | 10 MB |
| Requires iOS | **17** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Informed Publishing](https://appshunter.io/developer/351739093) | [Dylan Russell](https://appshunter.io/developer/1869725372) |

## What reviewers say

### Ugly's Electrical References

[App page](https://appshunter.io/ios/app/uglys-electrical-references/id1134770838)

**Currently charting:** #8 Top Paid · Productivity, #160 Top Paid (US App Store)

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

**Highlights:** NEC 2026 updates, Mathematical formulas and calculators, Conduit bending guide with videos, Ampacity and conduit fill information, Wiring diagrams, Conversion tables, Works offline

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick reference
- 👍 Helpful for apprentices and journeymen
- 👍 Convenient to have on phone
- 👍 Useful calculators
- 👍 Great resource

**What reviewers complain about**

- 🐛 Videos/audio not working
- 🐛 Bookmarking issues
- 🐛 Glitchy navigation
- 🐛 Difficult to find information
- 🐛 Annoying review pop-up

**Reported bugs**

- Videos not playing
- Bookmarks not working correctly
- Navigation issues causing app crashes
- Incorrect calculation results

**Requested features**

- Zoom functionality
- Better search capabilities
- Spanish language support
- Offline access to full content
- Improved bookmarking system


### FieldStack

[App page](https://appshunter.io/ios/app/fieldstack/id6792173715)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ugly's Electrical References free?

Ugly's Electrical References costs $12.99, with no in-app purchases.

### Is FieldStack free?

FieldStack is free to download, with no in-app purchases.

### Do Ugly's Electrical References or FieldStack have ads?

Neither Ugly's Electrical References nor FieldStack shows ads.

### Which is updated more often, Ugly's Electrical References or FieldStack?

Ugly's Electrical References ships an update every 3 months, and FieldStack every 8 days. Most recently, Ugly's Electrical References was updated on September 30, 2026 and FieldStack on September 16, 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.*