Zetra: AI Running Coach & Plan
Live Voice Training on Watch
About
This app provides real-time, voice-guided running coaching directly through your headphones. It analyzes your live heart rate and adapts cues to your current performance, offering personalized training plans and mid-run form guidance.
What's New in Zetra
1.18
September 2, 2026
- Your weekly plan now tracks completed runs — progress, run count, and total distance update after every run. - New Units setting in Profile: choose miles or kilometers, pounds or kilograms. - Every screen now follows your unit choice, on iPhone and Apple Watch. - Richer coach voices for Sarah and Dan, with a smoother connection at call start. - Small fixes and improvements.
MoreSubscription plans
Zetra Running Coach Annual
Yearly Subscription: Live Coaching and Adaptive Plans
Developer apps
FAQ
What is Zetra's free trial period?
Zetra offers a 7-day free trial for new users. After the trial, you can choose from weekly, monthly, or annual subscription plans to continue using the service.
What devices are required to use Zetra?
Zetra requires an iPhone running iOS 17+ and an Apple Watch running watchOS 10+. AirPods or any Bluetooth audio device are recommended for the live coaching experience.
How does Zetra's coaching adapt during a run?
Zetra analyzes your live heart rate, pace, and effort. If your heart rate spikes, it suggests easing up; if you're performing well, it may push you harder, adapting cues to your real-time physiological state.
Can Zetra help with different running goals?
Yes, Zetra is personalized to 126 different runner profiles, supporting goals from couch-to-5K to marathon training, with personalized plans for 5K, 10K, half marathon, and marathon distances.
Does Zetra provide post-run analysis?
Yes, Zetra provides detailed post-run analysis, including metrics on effort, pace drift, and recovery, helping you understand your performance and progress over time.
How often is Zetra updated?
The developer states that they ship updates weekly, indicating a commitment to continuous improvement and bug fixes based on user feedback.
What are the subscription costs for Zetra?
Zetra offers a weekly plan for $2.49, a monthly plan for $9.99, and an annual plan for $59.99, which provides the best value at under $5 per month. Subscriptions auto-renew unless turned off in Apple ID settings.
Does Zetra have ads?
Based on the provided data, Zetra does not have advertisements. The monetization model is based on subscription plans after a free trial.
