This application connects to a wireless sensor kit to measure in-tank ethanol content and fuel temperature. It also features a mixing ratio calculator that can be used independently of the sensor hardware.


207+ iOS apps curated and reviewed
If you already know Spool Ethanol Analyzer, this is the deeper bench. 207+ ajay rajeev apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.1★ (14) | No | No | May 2026 | |
| 2 | Free | — | No | No | May 2026 | |
| 3 | Free | 4.8★ (133K) | No | Yes | Jul 2026 | |
| 4 | Free | 4.5★ (2.3K) | No | Yes | Jul 2026 | |
| 5 | Free | 4.7★ (6.8K) | Yes | Yes | Jul 2026 | |
| 6 | Free | 4.9★ (9.3K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.8★ (11K) | No | Yes | Jul 2026 | |
| 8 | Free | 4.5★ (2.9K) | No | Yes | Jul 2026 |


This application connects to a wireless sensor kit to measure in-tank ethanol content and fuel temperature. It also features a mixing ratio calculator that can be used independently of the sensor hardware.






Discover, choose, and buy wine with this app. Scan labels to access ratings, reviews, and food pairings. Get personalized recommendations based on your taste and track your wine collection. Join a community of millions of wine lovers.


This app enhances your Apple Watch ECG recordings by calculating PQRST to reveal your unique heartbeat signature. It also monitors Heart Rate Variability (HRV), an objective measure of physical readiness, and integrates with Apple Health.


Track your heart rate in real-time with visual charts. Log daily health check-ins, habits, blood pressure, and blood sugar. Develop healthier routines and monitor your activity.


Manage your spirits collection with this app. Browse bottles, track pricing, get recommendations from your collection, and scan barcodes for instant information before you buy. It aims to be your all-in-one solution for managing your liquor inventory.


Access real-time racing lineups, results, and track information. Follow favorite series, view standings, and get event updates. Includes fantasy racing and announcer audio.


Control your vehicle remotely, monitor its status, and locate it easily. Check tire pressure, fuel, battery, and lock/unlock doors from your iPhone, iPad, or Apple Watch. Share car access digitally and find nearby essential services.


Discover and create a curated selection of popular drinks and cocktails with simple, concise instructions. Easily find recipes based on available spirits or save your favorites for quick access.


This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.


This app helps users track blood sugar, weight, blood pressure, and medications to manage diabetes. It offers features like data logging, trend identification, customizable reminders, and report generation for healthcare professionals. An estimated A1C calculator is also included.


This app allows you to use WhatsApp directly on your Apple Watch. Send and receive messages, view photos and videos in HD, and access all your chats and voice messages instantly. Stay connected without needing your phone.


This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.


This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.


This app helps adults with diabetes manage their condition by syncing with a connected meter for blood glucose monitoring. It provides personalized insights into how daily activities affect readings, helping users understand trends and optimize their testing. Users can record events, view insulin and carb data, and share reports with healthcare professionals.


Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.


This online learning system offers a dynamic and interactive educational experience for K-12 students. It uses short video lessons and practice problems to assess understanding, with personalized instruction and real-time progress monitoring available.


This app offers a suite of measurement and detection tools, including a bubble level for alignment, angle measurement, surface flatness checks, and metal detection. It also features an AR ruler for distance measurement and an inclinometer for off-road navigation.


Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes advanced features for track racing and customizable gauges.


This app analyzes heart rhythm data from your Apple Watch to provide insights into atrial fibrillation, HRV, stress, and energy levels. It offers a holistic health snapshot and personalized recommendations for better well-being.