# Gridio — Smart charge your vehicle > Smart EV charging app optimizing cost and sustainability using electricity prices and solar power. (iPhone/iPad app by Gridio.) - Source: https://appshunter.io/ios/app/gridio/id1572829126 (this page in markdown: same URL + `.md`) - Developer: [Gridio](https://appshunter.io/developer/1567388791) - Category: Navigation, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 76 MB - Languages: American English - Released: 2021-11-08 - Data updated: 2026-09-03 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/gridio/id1572829126/reviews.md ## What is Gridio? EUROPE’S #1 OFFICIAL SMART CHARGING APP Trusted by major electric car brands using official car API data THE APP FOR SMART CHARGING AND SMART ELECTRICITY USE Available across all EU countries Supported electric vehicles: Audi, BMW, Cupra, Hyundai, Kia, Mercedes-Benz EQ, MINI, Renault, Seat, Škoda, Tesla, Volkswagen ID — and more coming soon! Supported solar inverters: Fronius, Fusionsolar (Huawei), Growatt, Kostal, SolarEdge, Ferroamp, SofarSolar, Solax, Solis, Sungrow, SMA — and more coming soon! AUTOMATIC SMART CHARGING WHEN ELECTRICITY IS CHEAPEST AND CLEANEST Forget guessing when to charge. Gridio automatically charges your car when electricity prices are at their lowest — and when energy is usually the cleanest. Just plug in your car, set your charging preferences, and our smart algorithms will handle the rest — ensuring your battery is full by your desired time, at the optimal cost. Save money, reduce your carbon footprint, and protect yourself from price spikes — all automatically. CHARGE WITH YOUR OWN SOLAR ENERGY Connect your solar inverter and let Gridio use your self-produced solar power to charge your EV — maximizing self-consumption and sustainability. COUNTDOWN TO THE NEXT CHEAPEST HOUR See exactly when electricity prices drop next. Gridio’s real-time countdown helps you plan appliance use and EV charging for the most affordable and eco-friendly hours. NO HARDWARE REQUIRED Everything works seamlessly through the app. Simply connect your vehicle securely, set your preferences, and enjoy truly smart charging. Terms and Conditions: https://www.gridio.io/gridio-terms-of-use Privacy Policy: https://www.gridio.io/privacy-policy Have feedback or ideas? We’d love to hear from you! [support@gridio.io](mailto:support@gridio.io) [www.gridio.io](http://www.gridio.io/) ## Key features - Automatic smart charging based on price and cleanliness - EV charging with self-produced solar energy - Real-time countdown to cheapest electricity hours - Supports official car APIs from major brands - Connects with popular solar inverters - No additional hardware required ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Gridio Smart | $2.99 | per month | | Monthly Subscription | $2.99 | per month | | Annual Subscription | $34.90 | per year | | Monthly Subscription | $2.99 | per month | | Annual Subscription | $39.90 | per year | | Annual Subscription | $39.90 | per year | | Annual Subscription | $39.90 | per year | | Gridio Smart | $3.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Gridio For Life | $149.00 | one-time | | Gridio Smart | $69.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/gridio/id1572829126/reviews.md ### 1/5 — No Kostal possible *2024-06-29* No Kostal possible ### 4/5 — Nice app *2023-03-05* The idea is great! Unfortunately there is no way to connect a Fronius inverter as described above. ### 5/5 — Super nice! *2022-10-26* Well designed, simple, elegant, straight to the point! I like it very much! ## Frequently asked questions about Gridio ### What electric vehicles does Gridio support? Gridio supports a wide range of electric vehicles including Audi, BMW, Cupra, Hyundai, Kia, Mercedes-Benz EQ, MINI, Renault, Seat, Škoda, Tesla, and Volkswagen ID. More brands are expected to be added soon. ### Which solar inverters are compatible with Gridio? Gridio is compatible with popular solar inverters such as Fronius, Fusionsolar (Huawei), Growatt, Kostal, SolarEdge, Ferroamp, SofarSolar, Solax, Solis, Sungrow, and SMA. Additional inverters will be supported in the future. ### How does Gridio save me money on EV charging? Gridio automatically schedules your EV charging for the hours when electricity prices are lowest. It also allows you to charge using your own solar energy, further reducing costs and maximizing self-consumption. ### Does Gridio require any special hardware? No, Gridio does not require any additional hardware. The smart charging functionality works seamlessly through the app by connecting securely to your vehicle and solar inverter. ### What are the subscription options for Gridio? Gridio offers monthly subscriptions starting at $2.99, with some plans including free trial periods of 7 or 14 days. Annual subscriptions are also available for $34.90, often with a one-month free trial. ### How often is Gridio updated? The latest version of Gridio is 4.12.7, and it was last updated on March 26, 2026. This indicates a commitment to regular updates and improvements for the application. ### What is the age rating for Gridio? Gridio has an age rating of 4+, making it suitable for a wide audience. This rating suggests that the app's content and functionality are appropriate for young users and above. ### Can I use Gridio offline? The app's core functionality, such as automatic charging scheduling and price monitoring, relies on real-time data. Therefore, an active internet connection is likely required for Gridio to operate effectively and ensure optimal charging. ## Version history (last 5 releases) ### 4.14.4 — 2026-08-12 Bug fixes and improvements. ### 4.14.1 — 2026-08-06 Bug fixes and improvements. ### 4.14.0 — 2026-07-31 Solar forecast is here! Gridio now saves part of your charge for the sunny hours ahead, and tops up in the cheapest grid hours if the sun falls short. ### 4.13.10 — 2026-07-18 Bug fixes and improvements. ### 4.13.9 — 2026-07-04 Bug fixes and improvements. ## Apps similar to Gridio | App | Rating | Price | Category | | --- | --- | --- | --- | | [IONITY](https://appshunter.io/ios/app/ionity/id1551448692) | 4.5 (142) | Free | Navigation | | [Norlys Charging](https://appshunter.io/ios/app/norlys-charging/id6448727520) | 4.6 (5) | Free | Navigation | | [Fastned - EV charging app](https://appshunter.io/ios/app/fastned-ev-charging-app/id1485702761) | 4.8 (38) | Free | Navigation | | [EV Charging Stations Map+](https://appshunter.io/ios/app/ev-charging-stations-map-plus/id1601541880) | 4.7 (1,854) | Free | Navigation | | [Chargemap - Charging stations](https://appshunter.io/ios/app/chargemap-charging-stations/id438176982) | 4.2 (172) | Free | Navigation | | [ChargeFinder: Public Charging](https://appshunter.io/ios/app/chargefinder-public-charging/id1434206736) | 4.5 (29) | Free | Navigation | --- *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 2026-09-03.*