Apps & coaching · 6 min read
How to Choose a Strength Training App (7 Things That Matter)

Most strength training apps look similar on the store page: workouts, timers, charts. The differences that matter only show up in week five, when the novelty is gone and you are tired.
Here are the seven things worth checking before you commit, in rough order of importance.
1. It progresses load for you
The single job of a strength app is telling you to add weight at the right time. Look for an explicit rule — for example, add 2.5kg to the bar when you complete all prescribed reps at the top of the range for two sessions in a row. An app that only records what you did is a spreadsheet with nicer fonts.
2. Logging a set takes under three seconds
You will log 15–25 sets per session, standing up, mid-rest, with sweaty hands. If logging needs more than a tap or two, you will stop logging, and then the progression logic has nothing to work with.
3. It handles missing equipment
Every gym has a queue for the rack. A useful app suggests a real substitution that keeps the same movement pattern and adjusts the sets and reps to match the new load, rather than just showing you a video of another exercise.
4. It adapts to bad days
Sleep, stress and soreness change what you can lift by 10–20%. Apps that ask for a readiness check-in and scale the session accordingly keep you training on days you would otherwise skip entirely.
5. Charts you would actually act on
Total volume, estimated intensity and personal bests over time are useful. A wall of badges is not. Ask whether a chart would ever change what you do next week.
6. Your data comes out
CSV export, calendar export or a spreadsheet sync means you are not locked in. It also lets you share your log with a coach or physio.
7. A trial long enough to hit week two
Week one is always fun. A 14-day trial lets you reach the point where the programming has to carry you, which is exactly the thing you are evaluating.
- Run the same plan for the full trial rather than sampling five
- Log every set, even the bad ones
- Judge the app on how easy week two felt, not week one
Frequently asked questions
Is a free strength training app good enough?
Free apps are usually fine as loggers. Progression logic, equipment substitution and adaptive sessions are where paid apps earn their keep.
Should the app include cardio too?
Helpful but not essential. What matters is that conditioning work is scheduled so it doesn't sabotage your heavy lifting days.
Put it into practice
- 4-Week Beginner Strength Training Plan →
Beginner · 3 sessions per week · 45–55 min
- Dumbbell-Only Workout Plan (Full Body, 4 Weeks) →
Beginner to intermediate · 3 sessions per week · 40–50 min