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Flex: Make Every Ride Count

Flex: Make Every Ride Count

Ride, earn & connect

2 ratings
1 review
💪 Health & Fitness
🌐 Social Networking
Free

Details

Released
September 9, 2026
Updated
October 21, 2026

Features

Background Location Access

Developer

Hyena Inc
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About

This app transforms e-bike rides into progress, rewards, and positive environmental impact. Connect your Hyena Smart System e-bike to track rides, set goals, earn achievements, and plant trees with in-app currency.

✓Track e-bike ride data
✓Set goals and challenges
✓Earn XP and achievements
✓Plant trees with EcoGems
✓3D riding review replay
✓Community ride sharing
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What's New in Flex

2.3.0

October 21, 2026

In this update, we’ve added the Auto Finish Activity feature. If you forget to end an activity, Flex can now finish it for you automatically.

User reviews

Most RecentHighest RatedLowest Rated

DO NOT USE - Broke my bike

The developers of this app broke my bike.

Firmware updates from Hyena broke my e-bike. The system shuts down and won’t restart until it gets a full recharge.

Their software is locked up behind a login that only official dealers can access. They have no email or other contact info, just a mailing address in Taiwan. The only feedback I can give is writing app reviews.

Plus, this app is dumb. I don’t want to “gamify” my bikes rides with some Duolingo-for-bikes app.
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KKM⭐️

Developer apps

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Kalkhoff Display

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FAQ

What e-bikes is Flex compatible with?

Flex is exclusively compatible with e-bikes powered by the Hyena Smart System. Ensure your e-bike has this system to utilize the app's features.

How does Flex help the environment?

You can earn EcoGems through your riding activities within Flex. These EcoGems can then be used to plant real trees, turning your rides into a positive impact for the planet.

Can I see my past rides in detail?

Yes, Flex offers an immersive 3D Riding Review feature. This allows you to replay your journey from a unique perspective and relive your rides.

Does Flex have ads?

No, Flex does not contain advertisements. It is a completely ad-free experience for users.

What is the age rating for Flex?

Flex has an age rating of 17+. This is based on the content and features available within the application.

How often is Flex updated?

The latest version of Flex is 2.1.0, which was last updated on September 24, 2026. Updates are released to improve functionality and add new features.

Can I connect with other riders on Flex?

Yes, Flex features a global community where you can share your rides, celebrate achievements, and exchange likes and comments with other riders. You can also discover inspiring rides from around the world.

What kind of data does Flex track?

Flex tracks accurate ride data directly from your Hyena e-bike. This data is used to show your progress, help you set goals, and earn XP and achievements.