Workout apps with exercise instructions you can actually reach

The short answer

• Superset — 873 exercises with step-by-step instructions and photos, bundled in the app and usable with no connection.
• JEFIT — the largest library in the category, with video and a web interface. Needs a connection.
• Fitbod — good demonstrations built into generated sessions, streamed.
• Hevy — a solid library, network-dependent.
• Strong — a functional list; instruction depth is not its focus.
• YouTube — still the best demonstrations that exist, and useless without signal.

What makes an exercise library actually useful

Coverage of what your gym has. A library that knows five bench variants but not the machine in front of you is decoration. Coverage matters most for equipment-specific movements — cables, machines, bands.

Instructions, not just a name. A list of exercises is a lookup table. What you need standing at the rack is setup, execution and the common mistake.

Something visual. A photo of the start and end position resolves most questions instantly. Video is better, and much heavier.

Availability at the moment you need it. Which, in a basement, means it has to already be on the phone. This is where nearly every app fails, and it is not a small failure — the moment you need the library is exactly the moment you cannot reach it.

How the libraries compare

#1 Superset — the whole library ships with the app

Superset bundles 873 exercises into the download: every one has step-by-step instructions and photographs, and they are organised by muscle group and equipment so you can filter to what your gym actually has. The data comes from free-exercise-db, a public-domain dataset, which is why it can be shipped in full rather than licensed per view.

The consequence is the useful bit. There is no loading state and no failure state. In a concrete basement with no bars, tapping an exercise still shows you how to set it up. Every other app in this list shows a spinner.

It also connects to the rest of the app. Exercises you log by voice, and exercises pulled in when you paste a routine, are matched against this same database, so movements arrive with their instructions already attached instead of as bare text.

The honest limits. Photos, not video — for complex movements a good video is better, and Superset does not have one. 873 is a solid library but not the biggest; JEFIT's is larger. And bundling everything is why the app is around 88 MB to download.

#2 JEFIT — the biggest library, if you have signal

JEFIT has been building its exercise database for well over a decade and it shows: it is the largest here, with video demonstrations and a proper web interface for browsing on a laptop. At 4.76 stars from 46,811 ratings it is well established.

It streams, so it needs a connection, and the free tier carries ads. Elite is $12.99 a month or $69.99 a year.

#3 YouTube, honestly

For learning a genuinely new movement, a good YouTube video from a coach who explains the setup beats any in-app photo, including Superset's. It is worth saying plainly rather than pretending the in-app library wins every comparison.

What it cannot do is work offline, stay on-task, or connect to what you logged. Use it at home to learn a lift; use a bundled library at the rack to check a detail.

How to pick

• Your gym has no signal — Superset. Nothing else keeps its library available.
• You want the biggest database and video — JEFIT.
• You are learning a complex lift for the first time — YouTube, at home, before you go.
• You want the app to pick exercises for you — Fitbod builds the session around its own library.
• You just need names to log against — any of them; this stops being a differentiator.