Comparison

Mount Kelvin vs e

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

Head to head
About

Mount Kelvin

Features
Read full description

Be the master of the indoor ambience around you. Control all of the lights, temperature and AC. Create personalised lighting scenes for the whole room and activate them with one touch. Get accurate, real-time information of air quality, moisture, CO2 levels and set alarms for water leakages. The app also works as a configuration tool. Add new lights, battery-free wireless switches and other devices. REQUIREMENTS In order to use the Mount Kelvin app, you need a Mount Kelvin bridge.

About

e

Features
Read full description

e-Sense Flex is a wireless system developed for lighting control based on motion detection. The system is based on microwave technology and provides the right amount of light where it is needed and saves energy based on where people actually are. The e-Sense Flex app lets you commission and configure your e-Sense Flex equipped luminaries from Fagerhult. The system gives the owner freedom of optimizing the installation with great energy saving potential through the easy to understand and intuitive app. Through NFC or camera EnOcean kinetic switches can be bind to the system if traditional wall switches are required in the installation.

Screenshots

Mount Kelvin3 screens
e3 screens

Verdict

The call

The clearest difference is update cadence: Mount Kelvin at every 2 weeks against e's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mount Kelvin ships an update every 2 weeks, e every 3 months. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

Scorecard1 real difference ยท 5 level
Mount Kelvin versus e: the parameters behind the verdict, then further details
ParameterMount Kelvine
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 โ€” better10.0
Further details โ€” not scored
Size11 MB39 MB
Age rating4+4+
DeveloperMired HillFagerhults Belysning AB

In-app purchases

None

Mount Kelvin

No in-app purchases

None

e

No in-app purchases

Questions

Is Mount Kelvin free?
Mount Kelvin is free to download, with no in-app purchases.
Is e free?
e is free to download, with no in-app purchases.
Do Mount Kelvin or e have ads?
Neither Mount Kelvin nor e shows ads.
Which is updated more often, Mount Kelvin or e?
Mount Kelvin ships an update every 2 weeks, and e every 3 months. Most recently, Mount Kelvin was updated on September 11, 2026 and e on September 19, 2026.

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