# E vs SWTCH Install

The clearest difference is price: SWTCH Install at Free against E's $13.99. SWTCH Install also leads on iOS requirement (15.5 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

SWTCH Install is free to download; E costs $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 5 weeks, SWTCH Install every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | E | SWTCH Install |
| --- | --- | --- |
| Price | $13.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/e-calc-master-2021/id1538269385/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 37 MB | 59 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [SWTCH Energy Inc](https://appshunter.io/developer/1262961339) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-calc-master-2021/id1538269385)

This app provides comprehensive electrical calculations based on the Canadian Electric Code. It assists electricians and engineers with tasks like wire and conduit sizing, fusing, and load calculations, offering detailed results and saving them for sharing or printing.

**Highlights:** Canadian Electric Code calculations, Wire and conduit sizing, Fusing and overload calculations, Motor and transformer load calculations, Custom panel legends, Voltage drop calculations, Box fill calculations

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

**In-app purchases:** none


### SWTCH Install

[App page](https://appshunter.io/ios/app/swtch-install/id6740869501)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

E costs $13.99, with no in-app purchases.

### Is SWTCH Install free?

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

### Do E or SWTCH Install have ads?

Neither E nor SWTCH Install shows ads.

### Which is updated more often, E or SWTCH Install?

E ships an update every 5 weeks, and SWTCH Install every 3 weeks. Most recently, E was updated on October 29, 2026 and SWTCH Install on October 28, 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.*