Whether you want more options like E85 App or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
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 allows users to receive custom vehicle tunes from their tuner via a compatible TDN delivery device. It facilitates the transfer of performance tuning files directly to your vehicle's tuner. A specific TDN-compatible hardware device is necessary to use this service.
This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving experience.
What We Love
🚀 Fast flashing speeds (16-30 seconds)
👍 User-friendly interface and intuitive design
💪 Significant power gains and performance improvements
🎯 Excellent OTS (off-the-shelf) maps with multiple fuel options
📊 Comprehensive data logging and monitoring capabilities
🛡️ Strong safety features and safe mode protection
🔧 Easy to use without requiring external tools or computers
😊 Responsive and helpful customer support (historically)
🔄 Frequent updates and continuous platform improvements
📱 Available on both iOS and Android platforms
⚡ Reliable performance over extended mileage
Room to Improve
🐛 Frequent app crashes and stability issues
❌ Recent update broke core functionality for many users
🔌 Connection problems with WiFi adapters
📵 Unable to open app after recent updates
😞 Poor customer support responsiveness (recent)
🚫 N54 app discontinued, forced migration to broken new app
💸 Lost custom tunes and features after migration
🔐 Login/authentication issues on new devices
⚠️ Inconsistent performance across different car models
🎮 Clunky and buggy user experience reported
🔄 Unable to transfer licenses or change login credentials