The Bike Shield

An app designed for cyclists and motorists, The Bike Shield uses a network of users on the road. Car drivers get a signal that warns them of approaching bikes and motorcycles. 

Strava

A trip-tracking app for cyclists with a competitive edge, it allows riders to post riding times for routes and compete for the top spot. 

Ride With GPS

Ride With GPS is a trip tracker, but also a great trip planner. It helps riders plan trips and organize rides with friends. And it will fix routes between stops on bike-friendly roads. A new feature offers guided bike tours created by memebers in the bike community. 

529 Garage

Project your bike and others, with this app. Store critical information to establish your ownership of the bike. And if a bike is stolen, app users can send out an instant alert signal to help other riders look out for the bike—a neighborhood watch network. 

Bike Doctor

The Bike Doctor is a e-bike maintenance manual with simple instructions and step-by-step pictures. Besides covering common bike repairs, other guides include most common maintenance errors, how to stop bike squeaks, and preventing punctures. 

Bike Gears Calculator

For cyclists who enjoy the the technical side of biking, this app helps compare bike gears, match the app to your specs and adjust your gears accordingly. 

Global Cycle Coach

This app is designed for cyclists who want to do indoor spinning classes, but don’t have the time or the money attend class. The free app coaches you through customizable workouts, from beginner to advanced, and allows you to track calories and listen to your own music or selected playlists. 

Photo credit: Stefan Funke on Flickr

Size My Bike

Whether your looking for your first bike or upgrading to a new one, this app will help make sure you get the perfect fit. By defining your body measurements, the app will compute the optimal geometry of your bike, to improve performance and comfort.

Cyclemeter

Record your ride, and learn your speed, distance, pedal revolutions per minute, as welll as how much power you're generating while tracking your changes over time. 

The app also lets you post your workout through social media and email your route to friends and family, so they can get live updates from your ride. 

Spinlister

This peer-to-peer bike rental app connects bike owners and cyclists looking for a short term biking opportunity. Owners list their own price and availability of the bike, while potential renters can search for bikes based on type and location.