Comparison

redOS. vs i

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

Head to head
About

redOS.

Monitor the real-time status of the electricity system with key operational indicators. Choose between a consumer profile for energy transition engagement or a professional profile for in-depth data on generation, demand, prices, and exchanges.

Highlights
  • Real-time system status
  • Consumer profile
  • Professional profile
  • Electricity demand data
  • Generation information
  • CO2 emissions tracking
  • Price and exchange data
Features
Read full description

We introduce you redOS, the app of Red Eléctrica de España, which allows you to know, in real time, the situation of the electricity system through a set of indicators of the system operation. You can choose between two user profiles: a “consumer” profile that allows you to become an active player in the energy transition, as consumer and self-consumer; and a “professional” profile where you will find extended information on generation, demand, prices and exchanges to be always informed on the current situation of the electricity system. You can find the following information categories: • Electricity demand. • Generation. • CO2 emissions. • Installed power. • Electricity exchanges. • Wholesale prices. • Retail prices.

About

i

Monitor your electricity usage, power consumption, and network status. View detailed consumption data, manage contracts, and receive notifications about faults or scheduled outages. Future updates will include more advanced features for managing your energy supply.

Highlights
  • View daily, weekly, monthly consumption
  • Download consumption data (Excel, CSV, PDF)
  • Check contracted power adequacy
  • Manage contracts for other clients
  • Receive fault and outage notifications
  • Subscribe to electronic invoices
Features
Read full description

Welcome to the App for I-DE Clients Iberdrola Distribución Eléctrica is now i-DE. A new name, but with the same quality, experience and reliability. Here you can see your energy consumption, the power you are using or know the time that light will take to return if there is a fault or programmed cut that affects you, in the simplest, fastest and most intuitive way. At any time and anywhere you can, in one click, have all the information you need to get the most out of your connection to the smart grid WITH THE CUSTOMERS APP YOU CAN: ● View your daily, weekly, monthly consumption, by invoices or a specific period. ● Download detailed information about your consumption in Excel, CSV or PDF. ● Check if the power you have contracted is adequate by looking at a graph the maximum power demanded and the power contracted. ● Manage contracts of other clients. ● Know if there is a fault that affects you or a cut scheduled for maintenance tasks and improvement of the network. We notify you by SMS or by email. Also, if you are a ""direct toll"" customer: ● Subscribe to the electronic invoice. ● View and download your toll invoices. AND SOON, YOU WILL BE ABLE TO MAKE MUCH MORE ... Our App evolves constantly, and soon you can count on new features, such as ... ● Send questions ● Perform power measurements, both instantaneously and over a period of time. ● Download consumption and reading certificates. ● Reconnect your power control switch (ICP) if it has tripped due to an overload. ● Request the registration of a new supply ● Report possible fraud. ● And if you still do not have Smart Counter, record a counter measurament. WHAT IS i-DE? i-DE is the electricity distributor of the Iberdrola Group in Spain and we are responsible for bringing electricity through our networks to your home and for maintaining the network so that you have good quality power supply. https://www.i-de.es/conozcanos MORE INFORMATION Visit our website: https://www.i-de.es

Screenshots

redOS.4 screens
i4 screens

Verdict

The call

The clearest difference is rating: i at 3.0 against redOS.'s 1.0. i also leads on review sentiment (23% vs 0%). redOS.'s advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 16.0). On price, ratings volume, ads and in-app purchases 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

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

ReceptionRating · Positive reviews · Number of ratings

i holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of redOS.'s written reviews are positive against 23% of i's.

UpkeepUpdate frequency

redOS. ships an update weekly, i every 3 weeks. The most recent releases landed on September 24, 2026 and September 4, 2026 respectively.

Scorecard4 real differences · 6 level
redOS. versus i: the parameters behind the verdict, then further details
ParameterredOS.i
PriceFreeFree
Rating1.0 (1 ratings)3.0 (2 ratings) — better
Positive reviews0.0% of reviews23.1% of reviews — better
Number of ratings12 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size56 MB181 MB
Age rating4+4+
DeveloperRed Eléctrica de EspañaI-DE Redes Electricas Inteligentes Sociedad Anonima

Customer experience

redOS.

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

i

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews13 reviews
Positive23.1%
Neutral0.0%
Negative76.9%

In-app purchases

None

redOS.

No in-app purchases

None

i

No in-app purchases

Questions

Is redOS. free?
redOS. is free to download, with no in-app purchases.
Is i free?
i is free to download, with no in-app purchases.
Which has better reviews, redOS. or i?
i is rated higher. redOS. averages 1.0 out of 5 from 1 ratings, while i averages 3.0 from 2 ratings.
Do redOS. or i have ads?
Neither redOS. nor i shows ads.
Which is updated more often, redOS. or i?
redOS. ships an update weekly, and i every 3 weeks. Most recently, redOS. was updated on September 24, 2026 and i on September 4, 2026.

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