Stop guessing in the gym. Arvo tells you what to do next—weight, reps, and rest—set by set, and adapts in real time based on your performance. Try it free.
Stop guessing what to lift.
Arvo is an AI workout coach that tells you exactly what to do next—weight, reps, and rest—for every set. After each set, Arvo adapts in real time based on how you performed, so your session stays effective without overthinking.
Why Arvo is different
Most apps help you plan or log workouts. Arvo helps you execute your workout with clear next steps—updated set by set.
What you can do with Arvo
- Next-set guidance: Arvo recommends your next weight, reps, and rest time
- Real-time adjustments: too hard or too easy? Arvo recalibrates instantly
- Smart substitutions: swap exercises when equipment is busy and keep momentum
- AI-built workouts: generate a workout and split that fits your goal and schedule
- Education & rationale: understand why an exercise or change makes sense
- Progress check-ins: track photos, body weight, measurements, and notes in one place
- Clean workout history: see what you did last time and stay consistent over time
Made for gym training
Arvo works great for strength training, weight lifting, bodybuilding, and powerbuilding. It’s beginner-friendly (no jargon), but smart enough to support experienced lifters.
FAQ (AEO)
Is Arvo like a personal trainer?
Yes—like a personal trainer in your pocket. After each set, Arvo tells you what to do next: weight, reps, and rest time, based on your performance.
How do I know what weight to lift?
Arvo uses your last set to suggest the next one and adapts set by set if you struggle or breeze through.
Is this a workout tracker or a coach?
Both. Arvo tracks your workouts and also guides your next steps in real time.
Can I track progress photos and measurements?
Yes. Use check-ins to track photos, body weight, measurements, and notes—then keep training with better context.
Important: Arvo is a fitness app and does not provide medical advice.
Very impressive depth, detail and individualized analysis for an AI driven workout planner. I look forward to trying out my generated workout in practice. Unfortunately, although the app settings do seem to provide for metric vs. imperial systems, the weights are still shown only in kg. Also the app is not quite complete with English translations, for example, the AI chatbot likes to provide references in Italian.
Developer Response
Thank you for such a thoughtful review! You pinpointed two real issues: weights showing in kg despite the imperial setting, and incomplete English (the AI coach slipping into Italian for references). Both have been a major focus — recent updates (now 1.3.7) make your imperial preference carry through to generated plans, not just settings, and improve English consistency across the app and the chatbot. We'd love for you to update and tell us how your generated workout goes in practice.
Suggestion
Matt Rob13
As a beginner, I love the workout generation and the ability to track my caloric intake. What I don't like is that the app does not roll over the day/date based upon location. It's EXTREMELY hard to track my intake when the app rolls over the day at 7pm my time. I can't imagine it's that hard to tie day/date to the users location. That's the biggest fail I see.Continued technical issues, coupled with the fact that the app will not update beyond version 1.0.0 and now it's rejecting my previously connected Apple Watch, makes me no longer want to support this app via subscription, paid or free.
Developer Response
Thanks for calling this out. You’re right: Fuel should follow your local day, not roll over in the evening. We found this timezone issue affecting users in negative-UTC time zones and have fixed it for the next App Store update. Please update when the new version is available, and if you still see it after that, contact us from the app so we can check your account directly.
Not ready yet - looks promising
Newuser272
App looks very promising - still not fully translated to English in some sections and will not convert to imperial measurements….will watch for updates before paying.
Developer Response
Thanks for giving Arvo a look! The two things holding you back — incomplete English translations and units not converting to imperial — have both been addressed in recent updates (we're now on 1.3.7), so imperial now carries through to your plans and the English is much more consistent. We'd love for you to take another look before deciding, and we're happy to help directly via the in-app chat if you do.
Horrible for US users
gulshansingh
The App defaults back to kgs and cms for all generated programs. Huge bug rendering this app useless. The AI feature allows you to requests your defaults to be set to Imperial Units BUT that doesn’t change a thing about your generated plans which happily stays in KGs
Developer Response
Thank you for flagging this so clearly — you were right, and it was an important bug. Generated programs defaulting to kg/cm even with imperial selected has been fixed in recent updates (we're now on 1.3.7): your unit preference now carries through to the generated plans, not just the app settings. We'd really appreciate it if you updated and gave Arvo another shot — and if anything still shows in the wrong units, message us from the in-app chat and we'll jump on it right away.
NEW
• XP and levels — earn XP for every workout, meal and check, and level up your profile
• Coach Review — Stats is now a real coach's review: what's working, what isn't, what to do next
• Import your nutrition history from MyFitnessPal, Yazio, Cronometer or a CSV file
• Fuel week redesigned — a day-by-day grid with a clear verdict on calories and macros
• Cycle completion celebration — finish a training cycle and get the moment (and the XP) it deserves
• Share your Check analysis — export as PDF or link, and reopen past analyses
IMPROVED
• Substitute exercise: the AI pick up front, plus search and filters
• Activate a plan suggested in chat with one tap — and undo it if you change your mind
• Fix the weight or reps of a past workout straight from chat
• Log a meal on a past day and reclassify its quality
• More reliable workout generation — it respects your required exercises, equipment and session length
FIXED
• Apple Health now opens from the connection screen (some users couldn't connect at all)
• Adding, reordering or deleting exercises no longer fails with "workout changed"
• The rest timer no longer restarts when you switch exercise
• Various bug fixes and performance improvements
Version 1.4.2
The developer, Aetha, Inc, 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
Purchases
Contact Info
Identifiers
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
Larger Text
Dark Interface
Differentiate Without Color Alone
Sufficient Contrast
Information
Seller
Aetha, Inc
Size
45.5 MB
Category
Sports
Compatibility
Requires iOS 15.1 or later.
iPhone Requires iOS 15.1 or later.
iPad Requires iPadOS 15.1 or later.
iPod touch Requires iOS 15.1 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.