# E vs Panel Manager

The clearest difference is price: Panel Manager at Free against E's $14.99. Panel Manager also leads on iOS requirement (17.6 vs 26.0). E's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 9 days). On rating, ratings volume, ads and device support there is nothing between them.

Panel Manager is free to download; E costs $14.99 up front. Panel Manager sells 1 one-off in-app purchase. E asks for nothing beyond the download.

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

E ships an update every 2 days, Panel Manager every 9 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | E | Panel Manager |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/e-calc-usa/id6502258186/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/panel-manager/id6760704566/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 52 MB | 7 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [MICHAEL ANTHONY SLOCUM JR](https://appshunter.io/developer/1885822647) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-calc-usa/id6502258186)

This app provides electricians and engineers with instant, code-compliant calculations for wire sizing, conduit capacities, fusing, and bonding based on the 2026 National Electrical Code. It offers advanced tools for motors, transformers, voltage drop, and box fill, along with on-site utilities like panel legends and torque settings.

**Highlights:** NEC 2026 compliant calculations, Wire sizing and ampacity, Conduit fill and expansion, Motor and transformer calculations, Voltage drop and box fill, Panel legends and torque settings, Integrated unit converter and Ohm's Law

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

**In-app purchases:** none


### Panel Manager

[App page](https://appshunter.io/ios/app/panel-manager/id6760704566)

Streamline electrical panel scheduling directly from your mobile device. Quickly add circuit details, automatically calculate loads, and generate professional PDF reports for permits and inspections. Collaborate with your crew in real-time without needing individual accounts.

**Highlights:** Real-time load calculation, Automatic space assignment, 1-phase and 3-phase support, Crew project sharing, PDF export for permits, Compact door label generation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Panel Manager Pro | $9.99 | one-time |


## Frequently asked questions

### Is E free?

E costs $14.99, with no in-app purchases.

### Is Panel Manager free?

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

### Which has better reviews, E or Panel Manager?

E and Panel Manager are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do E or Panel Manager have ads?

Neither E nor Panel Manager shows ads.

### Which is updated more often, E or Panel Manager?

E ships an update every 2 days, and Panel Manager every 9 days. Most recently, E was updated on October 5, 2026 and Panel Manager on October 7, 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.*