250+ iOS apps curated and reviewed
If you already know e85Cal, this is the deeper bench. 250+ e85 calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (35) | No | No | Jul 2026 | |
| 2 |  | Free was $1.99 | 1.0★ (2) | No | No | Sep 2026 | |
| 3 |  | Free | 3.9★ (30) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.9★ (86) | No | No | Sep 2026 | |
| 5 |  | $1.99 | 3.1★ (7) | No | No | Sep 2026 | |
| 6 |  | $2.99 | 5.0★ (3) | No | No | Aug 2026 | |
| 7 |  | Free | 4.7★ (2.2K) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 3.0★ (2) | No | Yes | Sep 2026 |
This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
This application helps performance enthusiasts and flex-fuel vehicle owners precisely calculate the amounts of E85 and gasoline needed for specific ethanol percentages or octane ratings. It offers both simple and advanced modes for fuel mixing calculations, supporting metric and imperial units.
Find E85 gas stations nearby and calculate E85 fuel mixtures. This tool is designed for car enthusiasts who use or are interested in E85 fuel.
