# Energía XXI > Utility app for managing electricity and gas contracts, bills, and meter readings. (iPhone/iPad app by ENERGIA XXI COMERCIALIZADORA DE REFERENCIA SL..) - Source: https://appshunter.io/ios/app/energia-xxi/id1482627883 (this page in markdown: same URL + `.md`) - Developer: [ENERGIA XXI COMERCIALIZADORA DE REFERENCIA SL.](https://appshunter.io/developer/6779143227) - Category: Utilities - Price: Free - Rating: 4.80/5 from 20 App Store ratings · 35 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 81 MB - Languages: American English, Catalan, European Spanish - Released: 2019-11-20 - Data updated: 2026-08-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/energia-xxi/id1482627883/reviews.md ## What is Energía XXI? “Energía XXI” es la aplicación gratuita, rápida y fácil de usar que ponemos a tu servicio para que puedas gestionar tus contratos de luz y gas*, consultar tus facturas desde cualquier sitio, introducir la lectura de tu contador e informarte de nuestras ofertas exclusivas. También podrás acceder a nuestros canales de contacto y localizar las Oficinas y Puntos de Servicio más cercanos a ti. Con nuestra aplicación tendrás siempre a mano toda la información de tus contratos. No dudes en ponerte en contacto con nosotros para cualquier sugerencia que quieras transmitirnos a través de nuestra dirección de email: atencionalcliente_exxi@energiaxxi.com *Servicio exclusivo para contratos de Luz y Gas de Energía XXI en España. No válido para contratos en Portugal u otros países. ## Key features - Manage electricity and gas contracts - View and consult bills - Submit meter readings - Access exclusive offers - Find contact channels - Locate service offices ## Recent user reviews (10 of 35) All indexed reviews: https://appshunter.io/ios/app/energia-xxi/id1482627883/reviews.md ### 5/5 — Perfect *2026-06-16, version 2.0.2* Excellent service ### 1/5 — Extremely buggy *2026-05-23, version 2.0.2* Really a terrible app. Can’t even pay for bills without the app glitching. ### 1/5 — April 2026 update doesn’t work *2026-04-22, version 2.0.0* App was fine but the update has erased my account on iPad and iPhone. WhatsApp customer service were no help. Online account is fine. ### 1/5 — Miffed customer *2026-04-22, version 1.5.7* I lost the use of my app today and that is what I use to pay my electric bills, reason being that the current app has an upgrade to a specific apple version before apple have come out with the IOS version not sure what I need to do to rectify it, guess I have to wait until apple comes out with the update for my phone ### 2/5 — No invoice available on line unless signed in first! More time wasted! *2025-12-01, version 1.5.7* Don’t need to write a review as far to convoluted! ### 5/5 — Great app *2025-10-13, version 1.5.2* Great app, the website is also good.I can get detailed information working with an English language app/website for this Spanish energy supplier. ### 5/5 — It’s just Electric!! *2025-08-05, version 1.5.2* Great site, easy to keep an eye on your property from UK 👍 ### 1/5 — Servicio atencion pesimo *2025-02-21, version 1.5.2* 6 meses con lecturas estimadas y se desentienden del tema. Una p…verguenza. ### 1/5 — Mr Marc Little *2025-01-13, version 1.5.1* The Energía Payment Web Site is rubbish Nearly tine I try to pay with my Irish Euro Credit card , it fails, even after 2/3rd party authentication ### 1/5 — Needs proper monitoring *2024-11-13, version 1.5.1* It doesn’t work ## Frequently asked questions about Energía XXI ### What can I do with the Energía XXI app? The Energía XXI app allows you to manage your electricity and gas contracts, consult your bills from anywhere, and submit your meter readings. You can also find exclusive offers, access contact channels, and locate nearby service offices. ### Is the Energía XXI app free to use? Yes, the Energía XXI app is completely free to download and use. There are no charges associated with managing your contracts or accessing its features. ### Which contracts are supported by the app? The app exclusively supports electricity and gas contracts from Energía XXI within Spain. It is not valid for contracts in Portugal or other countries. ### How can I find my nearest service office? You can easily locate the nearest Offices and Service Points to you through the app. This feature helps you find physical locations for assistance or services. ### How do I contact customer support if I have issues? You can access the app's contact channels directly. For suggestions or any issues, you can also reach out via email at atencionalcliente_exxi@energiaxxi.com. ## Version history (last 5 releases) ### 2.0.3 — 2026-07-17 Gracias por usar Energía XXI. Actualizamos la aplicación regularmente para seguir mejorándola. Hemos realizado algunas mejoras técnicas y corrección de errores. ### 2.0.2 — 2026-05-22 Gracias por usar Energía XXI. Actualizamos la aplicación regularmente para seguir mejorándola. Hemos realizado algunas mejoras técnicas y corrección de errores. ### 2.0.1 — 2026-04-28 Gracias por usar Energía XXI. Actualizamos la aplicación regularmente para seguir mejorándola. Hemos realizado algunas mejoras técnicas y corrección de errores. ### 2.0.0 — 2026-04-21 Gracias por usar Energía XXI. Actualizamos la aplicación regularmente para seguir mejorándola. Hemos realizado algunas mejoras técnicas y corrección de errores. ### 1.5.12 — 2026-03-24 Gracias por usar Energía XXI. Actualizamos la aplicación regularmente para seguir mejorándola. Hemos realizado algunas mejoras técnicas y corrección de errores. ## Apps similar to Energía XXI | App | Rating | Price | Category | | --- | --- | --- | --- | | [Yoigo LUZ y GAS](https://appshunter.io/ios/app/yoigo-luz-y-gas/id1537818982) | — | Free | Utilities | | [redOS.](https://appshunter.io/ios/app/redos/id781388455) | 1.0 (1) | Free | Utilities | | [i-DE](https://appshunter.io/ios/app/i-de/id1095609253) | 3.0 (2) | Free | Utilities | | [Factorenergia](https://appshunter.io/ios/app/factorenergia/id757811407) | 5.0 (1) | Free | Utilities | ## Related topics [endesa](https://appshunter.io/ios/topics/endesa) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-11.*