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Software for strength coaches
Periodize in blocks, log every set and let estimated 1RM recalculate itself after each session.
Short answer.
Kaizer is software for strength and powerlifting coaches that handles periodization, set-by-set logging and load progression in one platform. After every logged session it recalculates estimated 1RM using NSCA-derived tables and suggests the next loads; you set the criteria and the system does the repetitive work. Over 1,000 coaches use it across 20+ countries, with a free plan for up to 3 clients.
Updated: July 8, 2026
1000+active trainers
+120,000routines created
20+countries in operation
1,500+exercises with video
See Kaizer with your own use case.
When Kaizer fits a strength coach.
You compute 1RM percentages by hand for every client and every block.
Your clients jot loads in phone notes and the history doesn't exist.
You want each client's progression on the big lifts without hand-built charts.
You periodize in blocks and need to duplicate and adjust mesocycles fast.
You want set-by-set logging from an app your clients actually use.
What Kaizer includes for strength and powerlifting.
1RM recalculated per session
After every logged session, estimated 1RM updates via NSCA-derived tables and the next loads adjust automatically.
Block periodization
Structure mesocycles with the block editor: weeks, sessions and progressions you can duplicate and adjust.
Set-by-set logging
Loads and reps of every set live in the app; the client's history builds itself.
Automatic or manual load management
Choose per client: Kaizer suggests loads automatically, or you keep manual control.
History and PRs per exercise
Every big lift with its trend: best marks, volume and progression without spreadsheets.
Client app
Your clients see the day's session, log every set and message you from the same app.
Frequently asked questions
Using NSCA-derived tables over logged sets: after each session, estimated 1RM recalculates and the next workout's suggested loads adjust. You can turn it off and manage loads manually per client.
Yes. You can periodize in blocks, track the big lifts with per-exercise history and PRs, and control loads manually when the block calls for it.
There's a Free plan for up to 3 clients with no card required. Then: Starter at USD 19/mo (up to 15), Pro at USD 49/mo (up to 50) and Unlimited at USD 149/mo (up to 500), with lower prices on annual billing.
Yes. AI is optional: build everything by hand on the 1,500+ exercise library, or let AI draft the first version and adjust it with your judgment.
The day's session with sets, reps and suggested loads; they log every set, see their history and chat with you.