Onlygainz - Fitness AI
Your Only Fitness AI
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
OnlyGainz is a personal training and nutrition coach that adapts to you.
TRAIN
Get a rotating workout split built around your experience level, days per week, equipment (gym, home, calisthenics), and any injuries you're working around. Log sets as you go and your plan adjusts as your history grows.
EAT
Snap a photo of your meal or a food delivery receipt and get instant calories and macros — no manual lookup. Or type what you ate and get the same breakdown. Daily targets adapt to your goal and your logged weigh-ins, not a static formula.
TRACK
Steps and active energy sync from Apple Health automatically. Log your weight, see your streak, and watch your trend over time.
COACH
Ask your AI coach anything, form, rest, load, or nutrition. It knows your targets and what you've logged, and can recommend and log meals for you.
Built for people who want a real plan, not a generic template.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's New
Run & Walk tracking now supports pause/resume — paused time no longer counts toward your distance, pace, or duration
Share a completed run or walk anytime from your history, not just right after finishing
General polish and stability improvements
The developer, David Paul Frazer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Location
- Contact Info
- User Content
- Identifiers
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- David Paul Frazer
- Size
- 7.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English
- Age Rating
16+
- 16+
- Frequent
Medical Treatment information
Infrequent
Contests
Contains
Advertising
User-Generated Content
Health or Wellness Topics
Social Media
- Copyright
- © 2026 David Paul Frazer