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Kaizer vs FitBudd
Up-to-date comparison between Kaizer and FitBudd: pricing, white-label app, adaptive AI, language, LATAM billing and support. Built to help you decide, not to sell.
Kaizer and FitBudd are both coaching platforms, but they aim at different things. FitBudd (India/US) sells 'your own branded app': for USD $149/mo (Super Pro) your branded app ships on iOS and Android, with your own website and storefront. Its AI is new (January 2026) and only generates a one-time editable draft — it does not re-program the routine from real performance. Kaizer is the choice if you want the plan to re-program itself: it automatically adjusts weights and reps after every workout the client logs. It also shows prices in USD and charges in pesos, and offers the full product in Spanish — something FitBudd, translated with English-only sales and support, doesn't pull off. The AI is optional — turn it off anytime; you keep the final say. If your priority is owning your branded app, FitBudd. If you want AI that re-programs itself after every session, Kaizer.
Updated: July 22, 2026
Side by side.
FitBuddAdaptive AIRe-programs weights and reps after every logged session (sets, RIR, estimated 1RM)Generates a one-time editable draft (Jan 2026), doesn't re-program from performanceLanguageFull Spanish support (Rioplatense + neutral) + EnglishApp translated to Spanish. Sales and support 100% in English.Local-currency billingShown in USD, charged in pesosCharged in USD (Stripe / PayPal)Own branded appYour clients train in the polished Kaizer app, no own white-label appOwn white-label app on iOS and Android (from Super Pro)Real costAdaptive AI included on all paid plans, no setup feeBranded app only at Super Pro ($149/mo) + add-ons (~$50/mo each) + setup fee + Apple/Google developer accountsSupportFull Spanish support, fast response in your hoursEnglish. Timezone delays (India/US base).Free planFree plan for up to 3 clientsFree up to 2 clients; 30-day trial1000+active trainers
+120,000routines created
20+countries in operation
1,500+exercises with video
Where Kaizer wins over FitBudd.
AI that re-programs itself, not just a draft.Kaizer detects risk and churn signals so the trainer can review the situation.
Real Spanish and LATAM, not just a translated app.FitBudd's app can be set to Spanish, but its marketing, sales, content and support all operate 100% in English from an India/US base, with no Spanish go-to-market and no local billing. In Kaizer the whole product and support work perfectly in Spanish (Rioplatense + neutral), with fast response in your hours, and prices are shown in USD but charged in pesos. Your clients pay in their own currency, with no FX friction.
Simpler, more honest pricing.On FitBudd, the own-branded app only shows up at Super Pro ($149/mo), and the real cost climbs with add-ons of ~$50/mo each, a setup fee, and Apple ($99/yr) and Google ($25) developer accounts. In Kaizer, adaptive AI is included on all paid plans, with no setup fee and no add-on stacking. You pay to program better, not to publish an app.
Where FitBudd still wins.
If your priority is owning your own branded app, FitBudd clearly wins: for $149/mo (Super Pro) you publish your branded app on iOS and Android under your name, plus a public website and a direct-purchase storefront (Stripe and PayPal, no platform fee). Kaizer doesn't offer an own white-label app. FitBudd also has a mature feature set — live 1:1 and group video, automated check-ins, habit tracking — and a solid reputation for ease of use and onboarding (4.6/5 across ~407 Capterra reviews). And because it's all-in-one, it includes nutrition/meal-plan tooling, which is outside Kaizer's scope since we focus only on training programming (a real gap for coaches who want nutrition, even though it's not something Kaizer claims). If you want your branded app or integrated nutrition, FitBudd. If you want AI that re-programs itself after every session, Kaizer.
Compare it yourself in a demo.
When to choose FitBudd
Your priority is owning your branded app on iOS and Android, with a website and direct-purchase storefront.
You value a mature feature set: live 1:1 and group video, automated check-ins, habit tracking.
You want integrated nutrition/meal-plan tooling (outside Kaizer's scope).
You weigh its reputation for ease of use and onboarding (4.6/5 across ~407 Capterra reviews).
When to choose Kaizer
You want AI that re-programs itself: it recalculates the estimated 1RM and adjusts weights and reps after every logged session, not a one-time draft.
You work in real Spanish: full product and support, not just a translated app.
You prefer simple pricing with no setup fee and no add-on stacking.
You bill in LATAM: priced in USD, charged in pesos.
Move from FitBudd to Kaizer with guidance.
The Kaizer team guides you through onboarding and initial setup. The exact scope depends on the data available from your current tool.
Chat
SMSofía M.Closed today's session, last set was tough2
LRLucas R.Sure, starting the new block on Monday
Last set of bench press was toughSaw it in the log — Friday we drop to 4×6 and adjust
Step 01
Book a short conversation with the team.
We review which data you need to bring over.
Add client
QuickManual
First nameSofía
Last nameMartínez
Emailsofia@gmail.com
kaizer.app/i/x8f2…Copy
Invite link
Step 02
We guide you through setting up clients and routines in Kaizer.
Create new routine
ManualGenerate with AI
Sessions / week4
Duration8 weeks
GoalHypertrophy
LimitationsNo knee impact
Generate routine
Step 03
You review the setup before inviting your clients.
If you decide to switch, the Kaizer team supports your onboarding and initial setup. Scope and timing are agreed based on the data available in your current tool.
Sources and methodology.
We compare each product using its public pricing and official documentation. Prices, limits, and features can change; these sources were checked on the date shown.
Reviewed: 2026-07-21
FAQ: Kaizer vs FitBudd.
No. In January 2026 FitBudd launched an AI Workout Builder that generates a first editable draft from client inputs (goals, experience, equipment), which the coach reviews and finalizes. The 'progression' is baked into the initial plan, not produced by performance analysis: it does not re-program the routine or adjust weights/reps after each logged session. Kaizer recalculates each client's estimated 1RM after every workout (using sets, reps and RIR) and updates the target weights and reps of upcoming sessions; you let it run unattended or keep it as a suggestion.
FitBudd is billed in USD: Free up to 2 clients, Starter $15/mo, Pro $79/mo, and Super Pro $149/mo — the first tier that includes the white-label app, with a one-time setup fee. Add ~$50/mo per add-on (appointments, team, on-demand), Smart Flow automation at $20/mo, and Apple ($99/yr) and Google ($25) developer accounts. Kaizer has a Free plan up to 3 clients, then Starter / Pro / Unlimited with adaptive AI included on all paid tiers and no setup fee. Current pricing on kaizer.app/en/pricing.
FitBudd's apps (coach and client) list Spanish among their interface languages, so they can run in Spanish. But marketing, sales, content and support operate in English from an India/US base, and there's no local-currency billing. So Spanish exists as a UI translation, not as a localized product or market presence. In Kaizer the whole product and support work perfectly in Spanish, with fast response in your hours and billing in pesos.
No, and we'd rather be clear: Kaizer doesn't offer a white-label app published under your brand. Your clients train in the polished Kaizer app. If your main reason for being on FitBudd is owning your own branded app, that's a point in FitBudd's favor. Kaizer's focus is helping you program better and faster with adaptive AI, not standing up a separate app.
FitBudd has a strong reputation for onboarding and live chat (4.6/5 across ~407 Capterra reviews), but some reviews report support delays outside business hours due to the timezone of its India/US base. Kaizer responds fast in your hours, and the whole product and support work perfectly in Spanish.
The Kaizer team guides you through onboarding and initial setup; the scope depends on the data available from your current tool.
May 2026. We review FitBudd pricing, features and positioning quarterly. If you find anything out of date, write us at support@kaizer.app.
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