MuscleBuddy vs ABC Trainerize: which is better in 2026?
Established B2B coaching platform for personal trainers, gyms, and studios with built-in billing and program delivery.
MuscleBuddy (musclebuddy.net) is a training and nutrition app for the web and Android. It builds your workout program, raises or holds your weights from the sets you log, and moves your macro targets with your weigh-in trend, showing the rule behind every change. It is free to start. Pro is $9.99 a month. The Coach tier is $29.99 a month for up to 20 active clients: the coach manages each client's program, reviews their check-ins, and can override any automatic change.
| Feature | MuscleBuddy | ABC Trainerize |
|---|---|---|
| Smart progression (auto-adjust load/reps) | Yes | Not verified |
| Nutrition tracking with auto-adjusting macros | Yes | No |
| Health module (recovery, wearables, bloodwork) | Yes | No |
| Coach/client management (in the main app) | Yes | Yes |
| Offline-first PWA | Yes | No |
| AI-powered check-in analysis | Yes | Not verified |
| Custom programming templates | Yes | Yes |
| Medication dose and side-effect log beside the day's food (GLP-1) | Yes | Not verified |
| Free tier | Yes | Yes |
| Lowest paid tier | $9.99/mo | $9.00/mo |
Basic is free (1 client). Grow is $9/mo (up to 2 clients). Pro starts at $23/mo for 5 clients and scales by seat count up to 200. Studio Plus is $248/mo per location. Advanced Nutrition Coaching is a $20/mo add-on on Grow through Pro 15 and $45/mo from Pro 30 up.
When to choose ABC Trainerize
ABC Trainerize is the right call if you are a coach running an established business and you need software that other coaches already use, vendors already integrate with, and clients already recognize. The platform has been around long enough that the workflows are well-worn: program assignment, in-app messaging, video exercise library, AI workout builder, wearable connections (Apple Watch, Garmin, MyFitnessPal), and Zapier integrations on the Pro 5 tier.
For multi-location gyms and studios, Studio Plus ($248/mo per location) bundles white-label app, API access, and personalized onboarding. If your priority is 'pick the industry-standard tool that my staff and clients already know,' Trainerize is the pick.
When MuscleBuddy is the better fit
MuscleBuddy wins on reactivity and transparency, and its seat fee is lower at 20 clients, though not its whole cost.
Trainerize delivers programs, and the progression we could verify is authored by the coach editing the next session; its builder may also support %1RM auto-progression, which we have not confirmed from its help center. MuscleBuddy adjusts loads on its own when a client stalls or keeps beating the bar. Macro tracking is basic; there is no auto-adjustment off a rolling weigh-in average.
And the seat fee ramps quickly. Pro starts at $23 for 5 clients and climbs by seat count as your roster grows, with nutrition as a paid add-on on top. MuscleBuddy is $9.99 for individuals, and the Coach tier is $29.99/mo for up to 20 active clients plus a 20-30% share of each client's billing, which we also handle for you, with programming, check-ins, and templates in one place. Trainerize's published plans list no such share, so total cost depends on what your clients pay you.
Every progression decision shows its work, so you can read the rule that produced the number.
Frequently asked
- What is MuscleBuddy?
MuscleBuddy (musclebuddy.net) is a training and nutrition app for the web and Android. It builds your workout program, raises or holds your weights from the sets you log, and moves your macro targets with your weigh-in trend, showing the rule behind every change. It is free to start. Pro is $9.99 a month. The Coach tier is $29.99 a month for up to 20 active clients: the coach manages each client's program, reviews their check-ins, and can override any automatic change.
- Is ABC Trainerize free?
There's a Basic free tier that covers 1 client, useful for trying the platform but not for running a coaching business.
- How much does Trainerize cost for a real coaching business?
Grow is $9/mo (2 clients), Pro starts at $23/mo for 5 clients and scales by seat count up to 200, and Studio Plus is $248/mo per location. The MuscleBuddy Coach tier is $29.99/mo for up to 20 active clients, plus a 20-30% share of client billing that we also handle for you.
- Does Trainerize adapt workouts automatically?
It has an AI Workout Builder for creating programs, and we could verify coach-edited week-over-week progression. Its builder may also support %1RM auto-progression, which we have not confirmed from its help center, so we make no claim beyond that. MuscleBuddy adjusts the load itself and explains every change.
- Does Trainerize handle nutrition?
It has basic in-app nutrition tracking and PDF meal plans, plus a MyFitnessPal connection. It does not auto-adjust macros off a weigh-in trend.
- Can clients pay coaches through Trainerize?
Trainerize supports an in-app storefront and payments via integrations. MuscleBuddy also runs client checkout through your connected Stripe account, and takes a 20-30% share of each client's subscription for it.
- What's the migration story?
There's no automated migration tool today. If you're moving a coaching business over from Trainerize, reach out to our support team and we'll work through the client list and templates with you.
- Does Trainerize work offline?
The native client app caches a current workout, but the platform is not an offline-first PWA. MuscleBuddy’s web app is.
Try MuscleBuddy free on your own training
No credit card required. Pro tier is $9.99/mo if you upgrade. Cancel any time.
All product names, logos, trademarks, and brands are the property of their respective owners and are used here for identification and comparison only. MuscleBuddy is independent and is not affiliated with, endorsed by, or sponsored by any company named on this page. This is an independent comparison; competitor pricing and features were last reviewed on September 1, 2026 and may have changed since, so check each provider's own site for current details.