# Ugly's Electrical References vs AMPFieldKit

The clearest difference is rating: AMPFieldKit at 5.0 against Ugly's Electrical References's 4.4. AMPFieldKit also leads on update cadence (every 2 weeks vs every 3 months) and price ($9.99 vs $12.99). Ugly's Electrical References's advantage is ratings volume (1.5K vs 3) and chart position (#14 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

Ugly's Electrical References costs $12.99 and AMPFieldKit $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AMPFieldKit holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Ugly's Electrical References has 1.5K ratings behind it against 3, so its average is the more settled of the two.

Ugly's Electrical References ships an update every 3 months, AMPFieldKit every 2 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ugly's Electrical References | AMPFieldKit |
| --- | --- | --- |
| Price | $12.99 | **$9.99** |
| Rating | [4.4 (1.5K ratings)](https://appshunter.io/ios/app/uglys-electrical-references/id1134770838/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ampfieldkit/id6764323469/reviews)** |
| Number of ratings | **1.5K** | 3 |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#14** | — |
| Size | 63 MB | 4 MB |
| Requires iOS | **17** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Informed Publishing](https://appshunter.io/developer/351739093) | [AMP LLC (AL)](https://appshunter.io/developer/1895644769) |

## What reviewers say

### Ugly's Electrical References

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

**Currently charting:** #14 Top Paid · Productivity, #132 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


### AMPFieldKit

[App page](https://appshunter.io/ios/app/ampfieldkit/id6764323469)

This professional tool provides electricians and technicians with fast, accurate electrical calculations and essential reference data based on NEC guidelines. It offers a clean, mobile-optimized interface for real-world use, requiring no internet connection, ads, or subscriptions.

**Highlights:** Electrical Calculators (Power, Voltage Drop, Ampacity), Transformer & Motor Calculations, Conductor & Box Fill Calculations, Interactive Ohm's Law Chart, Unit Conversions & Material Properties, Offline Functionality

**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 AMPFieldKit free?

AMPFieldKit costs $9.99, with no in-app purchases.

### Which has better reviews, Ugly's Electrical References or AMPFieldKit?

AMPFieldKit is rated higher. Ugly's Electrical References averages 4.4 out of 5 from 1.5K ratings, while AMPFieldKit averages 5.0 from 3 ratings.

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

Neither Ugly's Electrical References nor AMPFieldKit shows ads.

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

Ugly's Electrical References ships an update every 3 months, and AMPFieldKit every 2 weeks. Most recently, Ugly's Electrical References was updated on October 24, 2026 and AMPFieldKit on October 15, 2026.

---

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