# Aurora Mobile vs E

The clearest difference is price: Aurora Mobile at Free against E's $13.99. Aurora Mobile also leads on rating (5.0 vs 3.0) and iOS requirement (12.0 vs 17.6). E's advantage is update cadence (every 5 weeks vs every 3 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

Aurora Mobile holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Aurora Mobile ships an update every 3 months, E every 5 weeks. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Aurora Mobile | E |
| --- | --- | --- |
| Price | **Free** | $13.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aurora-mobile/id1248505671/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/e-calc-master-2021/id1538269385/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Size | 16 MB | 37 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Limbic Media](https://appshunter.io/developer/1243198912) | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) |

## What reviewers say

### Aurora Mobile

[App page](https://appshunter.io/ios/app/aurora-mobile/id1248505671)

Control and adjust settings for an Aurora lighting system. This utility allows users to connect to their lighting controller and customize various parameters for a personalized ambiance.

**Highlights:** Connect to Aurora lighting controller, Change lighting parameters, Customize ambiance, Mobile control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Aurora Mobile free?

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

### Is E free?

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

### Which has better reviews, Aurora Mobile or E?

Aurora Mobile is rated higher. Aurora Mobile averages 5.0 out of 5 from 1 ratings, while E averages 3.0 from 2 ratings.

### Do Aurora Mobile or E have ads?

Neither Aurora Mobile nor E shows ads.

### Which is updated more often, Aurora Mobile or E?

Aurora Mobile ships an update every 3 months, and E every 5 weeks. Most recently, Aurora Mobile was updated on September 18, 2026 and E on September 21, 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.*