Comparison

Aurora Mobile vs E

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Aurora Mobile

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
Read full description

Connect to an Aurora lighting controller and change parameters.

About

E

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
Read full description

E-Calc Master is an electrical application for calculating many common electrical problems. This app is an essential tool for all electricians and electrical engineers. Unlike other similar apps E-Calc not only calculates simple formulas but returns code results including wire sizing, conduit sizing, fusing, overload size, ground and bond size and much more based on the Canadian Electric Code. The features of this app are too long to list but here are a few of the key ones; - All calculations are saved and can be shared or printed. - Universal app runs on iPhone and iPad. - Calculate any motor load and get maximum overcurrent, maximum overload, minimum wire, minimum pipe, and minimum bond wire size. - Calculate transformer size and get FLA, pipe size, fuse and breaker size, bond size, on both primary and secondary. - Create custom panel legends and print to scale. - Calculate the allowable ampacity of any wire type and deration situation. - Calculate maximum number of similar sized wires in a given pipe size. - Calculate required bonding sizes. - Easily calculate complicated voltage drop calculations. Get results for percentage voltage drop as well as maximum lengths of runs and wire size. Derating is also supported. - Calculate minimum burial depths for any situation including special situations including mechanical protection, under slab, and rock encased. - Calculate any box fill situation in mL and cubic inch. - Calculate recommeneded torque settings for all varieties of lugs and terminations. - Convert many common units with the built in conversion calculator. - Includes handy diagrams for service masts, kitchen wiring and communication cabling. - Calculate linear expansion of conduits. - Ohm's law calculator. - Strap spacing calculator. - Voltage unbalance calculator. - Find NEMA codes and specs of receptacles. - Calculate residential single dwelling service sizes.

Screenshots

Aurora Mobile4 screens
E4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Aurora Mobile versus E: the parameters behind the verdict, then further details
ParameterAurora MobileE
PriceFree — better$13.99
Rating5.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size16 MB37 MB
Age rating4+4+
DeveloperLimbic MediaSnappy Appz Inc.

Customer experience

Aurora Mobile

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

E

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Aurora Mobile

No in-app purchases

None

E

No in-app purchases

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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