COMPARISON
Hevy Coach is the coach version of the Hevy fitness app (a community favorite in lifting). Kaizer is the choice if you need adaptive AI, a white-label app and local-currency billing.
QUICK ANSWER
Hevy Coach is the pro version of the Hevy app, popular among serious lifters. The integration with the client app is nice for end-users. But as a business tool, it's missing pieces: no adaptive AI, no white-label app, limited desktop dashboard. Kaizer covers all that, with Spanish support and prices shown in USD, charged in pesos. The AI is optional — turn it off anytime; you keep the final say.
COMPARISON MATRIX
| · | Kaizer | Hevy Coach |
|---|---|---|
| Adaptive AI | Yes — adjusts weights/reps after every session (sets, RIR, 1RM) | No |
| White-label app | Yes, included from Pro | No |
| Robust web dashboard | Yes, full single dashboard | Limited, mobile-first focus |
| Local-currency billing | Shown in USD, charged in pesos | No |
| Native language | Spanish + English | English |
| Free plan | Free up to 3 clients | Limited trial |
| Product focus | Coach + AI + white-label | Light layer on the Hevy app |
WHERE KAIZER WINS
Each point ties back to a concrete limitation of the compared product.
Hevy Coach is a layer on top of the Hevy app. It's light and elegant, but as a business tool for a coach with 30+ clients it's missing pieces: robust desktop dashboard, white-label app, adaptive AI. Kaizer is a platform designed from scratch for the coaching business.
Hevy Coach has no AI — planning is manual. Kaizer recalculates the client's estimated 1RM after every logged workout and updates the weights and reps of upcoming sessions automatically.
Hevy Coach sends your clients to the Hevy app under the Hevy brand. Kaizer lets you ship the app under your brand.
Hevy Coach charges only in USD; Kaizer shows the price in USD and charges it in pesos.
WHERE HEVY COACH WINS
If your clients already use the Hevy app individually and you want minimal friction to layer coaching on top, Hevy Coach is direct. The integration with the main Hevy app is nice. For coaches with fewer than 10 clients who only need to program and see progress, it can be enough. For everything else, Kaizer.
MIGRATION
Our team handles the whole migration for you in under 48 hours.
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Our team migrates your clients, routines and history for you. No CSV exports, nothing to upload by hand. Zero downtime for your clients.
FAQ
No. Hevy Coach is manual: the coach updates the plan by hand whenever they decide to change it. Kaizer automatically adjusts weights and reps after every workout the client logs, recalculating the estimated 1RM with NSCA tables using sets, reps and RIR. The coach can let it run unattended or use it as a suggestion.
No. Your clients use the Hevy app under the Hevy brand. Kaizer includes a white-label app from Pro.
Today Kaizer is focused on personal trainers. The gym model — multi-coach dashboard, multi-location and MAU-based pricing — is on our roadmap, not available yet. Hevy Coach is likewise built for individual coaches.
Hevy Coach starts around USD $19–$29/month and scales by client count. Kaizer has a Free plan up to 3 clients and competitive paid tiers. Pricing on kaizer.app/en/pricing.
May 2026.
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