Overview

FitnessAI uses AI-powered workouts built from real training sessions to set exercises, sets, reps, and weights. As users improve, it adjusts weights and reps, and it can adapt workouts to the equipment available. That makes it a useful fit for people who want a changing program without having to revise every session themselves; it may be less suitable for those who prefer to control their programming in detail.

Sessions run from 5 to 30 minutes and adapt to a user's schedule, which supports shorter or variable training windows. The app tracks strength gains and includes a 3D BodyScan visualization for body-composition progress. Guided videos and muscle visuals demonstrate exercise form, adding practical instruction alongside the workout prescription.

Key features

Adaptive workout guidance: Prescribed sets, reps, and weights change as users progress, while workouts can accommodate available equipment. This reduces the need to manually update a routine, though the stated features do not establish how much users can override the adjustments.
Flexible session length: Workouts can take 5–30 minutes and adapt to schedule and equipment. That range suits users balancing training with limited time, but does not promise a particular workout duration.
Progress and form support: Strength tracking and 3D BodyScan cover different measures of progress, while videos and muscle visuals help demonstrate movement form.
Connected health data: FitnessAI says it can sync performance data automatically with Apple Watch. Its iOS listing also supports workout syncing with Apple Health through HealthKit.

Pricing

FitnessAI has a free plan, but the plan details do not establish its limits or inclusions. Paid in-app purchase options include several monthly and annual memberships. All supplied subscription terms say they renew automatically unless auto-renew is turned off at least 24 hours before the current subscription period ends.

Plan	Price	Best fit
Monthly Membership	9.99 USD per month	For users who want a monthly billing interval.
Monthly Membership 3	14.99 USD per month	For users considering a monthly option at a higher price.
Monthly product	19.99 USD per month	Another monthly option; its distinct inclusions are not established.
Quarterly product	24.99 USD per year	For users considering this annual-billed option.
Annual Membership	59.99 USD per year	The lowest-priced annual option supplied.
Annual Membership 3	89.99 USD per year	For users considering a higher-priced annual option.
FitnessAI - Annual Member	89.99 USD per year	Another annual option at the same price.

The supplied prices do not clarify how the similarly named plans differ, so choosing among them on price alone does not establish what each includes. Review the selected in-app purchase and its renewal terms before subscribing. The privacy policy says the company may collect usage data and use service providers for analytics, advertising, and payment processing. It says payment card details are provided directly to third-party processors rather than stored or collected by FitnessAI, and that commercially acceptable safeguards are used without guaranteeing absolute security. Support is available at hello@fitnessai.com.

Platforms

FitnessAI is available on iOS and Android. Apple Health syncing is an iOS feature; Apple Watch performance-data syncing is described by the maker.

Who it's for

Choose FitnessAI if you want prescribed strength workouts that adjust to your progress and available equipment, with sessions suited to a changing schedule. Its stated goals include strength, muscle-building, toning, and weight loss, whether training at home or in a gym. If a clearly differentiated subscription or a defined free-plan allowance is central to your decision, compare the purchase options carefully before committing.

Pros and cons

Pros

Weights and reps adjust with progress, reducing the need to manually revise a strength routine.
Sessions can be as short as 5 minutes and adapt to available equipment, useful when time or kit varies.
Exercise videos, muscle visuals, strength tracking, and 3D BodyScan provide guidance and multiple progress views.
Apple Watch syncing and iOS Apple Health support connect workout data to those services.

Cons

Several subscription choices overlap in name and price, while their distinct inclusions are not established.
The free plan's limits and inclusions are not established, making it difficult to judge what it offers before paying.
The privacy policy permits usage-data collection and service-provider use for analytics and advertising, which may not suit privacy-conscious users.

Alternatives

Browse AI Fitness Apps to compare other options in the category.

Freeletics is worth considering if you want a free plan with workouts, exercises, runs, and audio sessions, accepting a limited content selection.
Styrki may suit iOS users who value workout logging, personal-best tracking, runs, cardio, heart rate, and community features alongside a limited number of AI workouts.
Icon Training is an alternative paid fitness app for Android, iOS, and web users; its Premium Monthly plan is 26.99 USD per month.
TrainAsONE is a freemium alternative for Android, iOS, and web.
Core Direction is another freemium option on Android and iOS, with a 9.99 USD per month premium plan that includes AI wearable tracking, an AI body scan and 3D avatar, and an AI personal trainer.
Pocket Fit is a freemium Android and iOS alternative with a 9.99 USD per month plan and food tracking included free while launching.
Runna is a freemium option for Android, iOS, and web users who want a first week free on its 19.99 USD per month plan.
Adapt Fitness is an iOS freemium alternative with a 9.99 USD per month Pro plan and a possible 7-day trial for new subscribers.

Verdict

FitnessAI is a strong fit for people training at home or in a gym who want strength workouts that adjust weights, reps, session length, and equipment demands as circumstances change. Exercise guidance and progress tracking round out the program. Look elsewhere if clear plan distinctions or stronger privacy assurances are priorities; otherwise, compare the in-app subscription terms and choose the option that fits your budget.

	FitnessAI	PaceAdapt
Free plan	No	No
Free trial	No	No
Paid from	$2.08/mo	—
Open source	No	No
Platforms	Android, iOS	iOS, Android
AI coaching	Yes	Yes
Adaptive progression	Yes	Yes
Custom workout plans	Yes	Yes
Supported platforms	ios, android	iOS, Android
Equipment profiles	Yes	—
Wearable sync	Yes	Yes
Free plan	—	No

FitnessAI vs PaceAdapt

FitnessAI

PaceAdapt