Gymex vs Juggernaut AI: Which Wins in 2026?
Juggernaut AI and Gymex both help you train — but they solve different problems. Juggernaut AI is powerlifting ai; Gymex is a full AI strength coach. Here's an honest head-to-head on programming, coaching, price and who each one is really for.
The short answer
Juggernaut AI is specialist powerlifting; Gymex is a broader AI coach for strength, size and general lifting — at a lower price with a free tier.
What is Juggernaut AI?
Juggernaut AI delivers AI-driven powerlifting programming from respected coaches, focused on the big three lifts. Its biggest strength is deep, competition-oriented powerlifting programming.
Side-by-side comparison
| Gymex | Juggernaut AI | |
|---|---|---|
| Category | AI strength coach | Powerlifting AI |
| Writes & adapts your program | Yes — adapts weekly | Yes (powerlifting) |
| RIR autoregulation | Yes | No |
| Plateau & overtraining detection | Yes | No |
| Voice set logging | Yes | No |
| Nutrition tracking | Yes | No |
| Free tier | Yes | No |
| Price | Free, £7.50–£20/mo | ~£30/mo |
| Platforms | iOS, iPad, Android, Apple Watch | iOS, Android |
Where Juggernaut AI wins
For dedicated competitive powerlifters peaking for a meet, Juggernaut AI is purpose-built. It's the right pick for competitive powerlifters peaking for a meet.
Where Gymex wins
Juggernaut is narrowly powerlifting; Gymex covers strength, hypertrophy and general training with a conversational coach, voice logging, nutrition and wearables in one app. That's the difference between an app that records or suggests training and one that actually programs and autoregulates it for you — for a fraction of the price of a human coach.
Bottom line: Juggernaut AI is specialist powerlifting; Gymex is a broader AI coach for strength, size and general lifting — at a lower price with a free tier. You can try Gymex free on iOS and decide for yourself.
Frequently asked questions
Is Gymex better than Juggernaut AI?
For competitive powerlifters peaking for a meet, Juggernaut AI's specialist programming is purpose-built and respected. Gymex is the better fit for everyone else: strength, hypertrophy and general lifting with a conversational coach, voice logging and nutrition — at roughly a third of the price.
Is Juggernaut AI or Gymex cheaper?
Juggernaut AI costs around £30/month with no free tier; Gymex is free to start with paid plans from £7.50/month. Unless you are specifically peaking for a powerlifting meet, Gymex gives you broader coaching for a third of the money.
Can Gymex replace Juggernaut AI?
For most lifters, yes — Gymex programs strength blocks around the squat, bench and deadlift as well as hypertrophy work, adapting weekly from your logs. Keep Juggernaut AI only if you are a competitive powerlifter who wants meet-peak programming above all else.
What does Gymex do that Juggernaut AI doesn't?
Gymex covers more than the big three: hypertrophy, general strength and nutrition, with a coach you can question conversationally, voice logging, plateau detection and wearable data. Juggernaut AI stays deliberately narrow — powerlifting programming, with no free tier.