redOS. vs YoLeoGas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time system status
- Consumer profile
- Professional profile
- Electricity demand data
- Generation information
- CO2 emissions tracking
- Price and exchange data
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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.
YoLeoGas
Easily submit your gas meter readings to Nedgia (Grupo Naturgy) by taking a photo of your meter and providing your CUPS number. The app guides you through a simple registration process for your home gas meter.
- Submit meter readings
- Photo meter capture
- CUPS number entry
- Gas distributor registration
- Simple step-by-step process
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You can use this application to easily and conveniently send your meter readings if your distributor of gas is Nedgia (Grupo Naturgy). Do it of comfortable and simple form. Registering the gas meter in your home can be done in just a few steps. All you need to do is take a photo of the meter and state the CUPS number shown on your bill. Once the photo has been validated by your distributor of gas, you will be told that the meter has been registered successfully.
Screenshots
Verdict
The clearest difference is update cadence: redOS. at weekly against YoLeoGas's every 2 months. YoLeoGas's advantage is review sentiment (14% vs 0%). On price, rating, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 1.0 for redOS. against 1.0 for YoLeoGas. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 0% of redOS.'s written reviews are positive against 14% of YoLeoGas's.
redOS. ships an update weekly, YoLeoGas every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | redOS. | YoLeoGas |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | 13.9% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 42 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Red Eléctrica de España | GNI-Multicanalidad |
Customer experience
redOS.
YoLeoGas
In-app purchases
redOS.
No in-app purchases
YoLeoGas
No in-app purchases









