STRNTH vs Fitbod: which app picks better workouts for you?

Fitbod and STRNTH approach the same problem from opposite directions.

Fitbod assumes you do not want to plan. You open the app, it looks at what you trained last, picks a workout for today and you get on with it. STRNTH assumes you want a plan. You pick a programme, it runs for 4, 8 or 12 weeks, the weights climb session by session and the structure does not change because you had a bad Tuesday.

Both work. They just suit different lifters.

What Fitbod does well

Fitbod is good at removing the planning decision. You log a session, the app updates its model of your recovery and the next session is ready. It will balance muscle groups across the week so you do not end up training chest five days in a row. If you walk into a gym and want a session to start in two minutes, it delivers.

The exercise library is large and the substitution logic is solid. Out of dumbbells? Tap the exercise and pick something else. The app re-weights everything around the change.

For lifters who want variety, Fitbod will not run the same workout twice unless you ask it to. Every session is generated fresh from your history and the equipment you said you had.

Where Fitbod falls short

There is no block. There is no week 4 deload that you can see coming. There is no idea of progressing through phases. The app picks today's workout based on yesterday and that is it.

If you like knowing what week six looks like, Fitbod does not show you. You cannot pull up your training in three weeks because it has not been generated yet. The plan is always one session deep.

Fitbod calls its recovery feature Monitored Recovery and uses it to pick which muscle groups to train next. What it does not give you is a daily green, amber or red readiness signal at the session level. The app picks an appropriate intensity based on its model and gets on with it rather than asking you to make a recovery call.

There is no proper analytics layer. You can see what you lifted but not where your strength is trending, where you are plateauing or which exercises are pulling the rest of your training along with them.

No HIIT module. Fitbod describes itself as built exclusively for resistance and strength training, so cardio and intervals are out of scope. Body composition tracking is limited and not a marketed feature. No AI coach you can ask training questions of. Fitbod is a session generator first. The rest is out of scope.

What STRNTH does well

STRNTH gives you a programme and runs it. You pick a 12-week strength block and your training is planned out, week by week, before you start. Each session has a target weight pulled from your last performance and the load climbs on its own.

Every fourth week the weights drop. That is the deload. Then they climb again, higher than before. That structure is what builds strength over months instead of just keeping you busy. You can see it before you start and you can see it during.

The STRNTH Index gives you one number for overall strength. It updates every session and moves through five tiers from Foundation to Elite. Watching it climb is the closest thing to a video-game progress bar that strength training has.

The coach tab actually coaches. Plateau detection. Muscle balance. A weekly summary every Monday morning that reads like someone watched your training and wrote it up. Recovery signals based on your real history, not a rule of thumb.

HIIT lives in the same app. Body fat and weight tracking too. So does Ask STRNTH, which answers training questions from your own data.

Age-aware logic adjusts every programme for where you are in life. A 45-year-old running the same block as a 25-year-old gets different volume, different intensity ramps and longer recovery windows. Same plan name, different prescription.

Where STRNTH falls short

You have to commit to a programme. If you genuinely want a different workout every day with no underlying plan, STRNTH is the wrong app. The point of it is the structure.

The exercise library covers what you need for the programmes but it does not match Fitbod for sheer breadth. If you love rotating obscure cable variations every session, Fitbod has more to play with.

No social feed. No following other lifters. The Locker Room lets you share and clone programmes but it does not pretend to be a community network.

Which one suits you

Pick Fitbod if:

• You want a session generated for you with no plan to follow
• Variety matters more than structured progression
• You like the app to make every decision so you can train and leave
• You do not want a coaching layer on top

Pick STRNTH if:

• You want to know what week 12 looks like before you start week 1
• Progressive overload, deloads and periodisation matter to you
• You are over 30 and want training that scales for recovery
• You want one app for strength, HIIT, body tracking and analytics
• You want a coach that talks back, not just a session picker

Fitbod tells you what to do today. STRNTH tells you where you are going over the next three months. If you know which of those you want, you know which app to pick. For more app comparisons, see our workout tracker guide or read the over 40s strength training app piece.