Cardio Training

Train in the right zone. Every session.

Know exactly how hard to train — every session, every week.

Personalized cardio plans based on your heart rate, fitness level, and goals.

Download on App Store Get it on Google Play (open testing)

iPhone

100% OfflineNo internet needed

5 LanguagesIT · EN · DE · FR · ES

Zero AdsNo tracking

iOS & AndroidNative on both

App Preview

See it in action

Real screens from iPhone and Android builds.

Mesocycle calendar on iPhone — **iPhone · Mesocycle**20-week calendar with zone-coded sessions

Session detail on iPhone — **iPhone · Session detail**Karvonen zones, Borg scale, phase blocks

Week plan on Android — **Android · Week plan**Mesocycle progression and equipment context

Mesocycle calendar on Android — **Android · Mesocycle**Month view with drag-and-drop rescheduling

Session detail on Android — **Android · Session detail**Warm-up, main block, cool-down targets

Quick session actions on iPhone — **iPhone · Quick actions**View plan, mark done, move day

Screens captured from the current production build.

Features

Built on physiology, designed for practical training

Forjum Cardio turns your profile and functional values into usable zones and clear weekly execution.

Personalized Zone Logic

Heart-rate zones are built from HRR/Karvonen and HRmax context, not fixed generic ranges.

Multi-modality Planning

Treadmill, bike, stepper and cross-trainer are handled with modality-specific target output.

Profile + Functional Inputs

Age, weight, VO2max, resting HR, and measured HR max feed your training prescription.

Actionable Session Detail

Each workout shows cardio summary, phase blocks, zone targets, and Borg guidance.

Offline-first Privacy

Data never leaves your device in normal use. Read the policy.

Print / PDF Export

Export your full weekly plan with expanded session details and clear zone ranges.

Built for

Structured cardio for people who want clarity, not guesswork.

Runners

Cyclists

Gym cardio

Coaches & athletes

How It Works

Three steps to consistent training — no friction, no account, just progress.

Set up your profile

Enter your details once. They inform every plan you create.

Plan your week

Build a personalised weekly overview. Adjust as you go.

Train with focus

Open the session view, follow the guide, track your progress.

Why Forjum Cardio?

Designed for athletes, coaches, and anyone who wants structured training.

No account required for core use

Data stays on your device

No subscription to unlock basics

Clean interface, no distractions

Works for amateurs and experienced athletes

Offline-first, always reliable

FAQ

Questions

Everything you need to know before you start.

What does Forjum Cardio calculate?

It builds individualized intensity zones and weekly sessions using your profile and functional inputs (for example HR, HR max, VO2max where available).

Can I import data from Apple Health / Health Connect?

Yes. During onboarding (and later from settings) you can import available metrics like height, weight, HR values, blood pressure, and VO2max where supported.

Does my data leave the phone?

In normal use, profile and plan content is not sent to Forjum servers. See our privacy policy.

Which devices are supported?

iOS (App Store) and Android (Google Play) on compatible OS versions listed in each store.

Is this medical advice?

Forjum Cardio is designed for healthy adults planning exercise. Consult a clinician before starting a new training programme.

Start training smarter.

Available on the App Store and Google Play open testing.

Download on App Store Get it on Google Play (open testing)

Join Android open testing