How they Stack-up
| Specification | Tennibot Partner V2 | Tennibot Partner Lite | Volley Trainer |
|---|---|---|---|
| Price | |||
| Price | $2,275 | $1,495 | $1,500–3,000/mo (lease) |
| Mobility | |||
| Mobility | Autonomous movement with player tracking | Stationary | Stationary |
| Max Ball Speed | |||
| Max Ball Speed | 10–70 mph | 10–70 mph | Not clearly specified |
| Ball Capacity | |||
| Ball Capacity | 140 balls | 140 balls | Not clearly specified |
| Battery Life | |||
| Battery Life | ~4–5 hours | ~4–5 hours | Not clearly specified |
| Battery Type | |||
| Battery Type | 10.5Ah Makita-compatible | 10.5Ah Makita-compatible | Not clearly specified |
| Max Spin | |||
| Max Spin | 3,600 RPM | 3,600 RPM | Not clearly specified |
| Charge Time | |||
| Charge Time | 90 minutes | 90 minutes | Not clearly specified |
| AI Features | |||
| AI Features | Player tracking, court vision | Player tracking, court vision | 3-camera vision, video replay |
| App Control | |||
| App Control | Full mobile app (real-time control + drill customization) | Full mobile app (real-time control + drill customization) | Club-managed platform |
| Weight | |||
| Weight | 35.4 lbs | 25 lbs | Not clearly specified |
| Dimensions | |||
| Dimensions | 17.7″ x 22.6″ x 21.5″ | 15″ x 10″ x 19″ | Not clearly specified |
| Safety | |||
| Safety | Human detection sensors | Human detection sensors | No safety features specified |
| Guarantees | |||
| Guarantees | 60-day money back | 60-day money back | Club lease terms only |
| Warranty | |||
| Warranty | 3 years | 3 years | Included in lease |
| Made in USA | |||
| Made in USA | Yes 🇺🇸 | Yes 🇺🇸 | Not clearly specified |
The Bottom Line
Volley Trainer is a club-exclusive AI ball machine with 3-camera vision and video replay capabilities. It's one of the few machines that uses AI for player analysis — similar to Tennibot.
But Volley is lease-only ($1,500–$3,000/month), stationary, club-exclusive, and does not publish most of its hardware specs. You can't buy one for personal use. At its lowest lease rate, you'd pay the equivalent of 8 Tennibot Partners per year.
Volley has capable AI but is locked behind expensive club leases. The Tennibot Partner gives you AI + mobility for a one-time $2,275.
"We evaluated both Volley and Tennibot for our club. Volley's lease model didn't make financial sense for us — and the Partner's court mobility gives members a more realistic experience than any stationary machine, smart or not."
Frequently Asked Questions
What is the difference between Tennibot and Volley?
Both use AI and cameras for player tracking, but the differences are significant. Tennibot Partner moves autonomously across the court; Volley is stationary. Tennibot is available for purchase ($2,275); Volley is lease-only ($1,500–$3,000/month) and restricted to clubs. Tennibot publishes full specs; Volley does not disclose most hardware details.
Can I buy a Volley ball machine?
No. Volley is only available through club leasing programs at $1,500–$3,000 per month. You cannot purchase one for personal or home use. The Tennibot Partner is available for direct purchase at $2,275 with a 60-day money-back guarantee.
Does Volley move on the court?
No. Volley is a stationary machine that uses cameras to track your position but fires balls from a fixed location. The Tennibot Partner moves autonomously across the court, creating realistic rally scenarios from multiple angles and positions.
Is Volley better than Tennibot?
Volley has capable AI with 3 cameras and video replay features. But it's lease-only, stationary, and club-exclusive. Tennibot Partner combines AI vision with autonomous court movement, is available for purchase, and can be used anywhere — home, club, or public court. For most players, Tennibot offers more value and accessibility.
How much does Volley cost per year?
At $1,500–$3,000 per month, a Volley lease costs $18,000–$36,000 per year. The Tennibot Partner is a one-time purchase of $2,275 with a 3-year warranty. Even at Volley's lowest lease rate, you'd pay the equivalent of 8 Tennibot Partners per year.
Sources
- Tennibot Partner V2 specs — tennibot.com/specs/partner-v2
- Volley Trainer — volley.tennis (manufacturer site)
- Full ball machine comparison — tennibot.com/compare
Volley specs are limited — most hardware specifications are not publicly published. Pricing is lease-only as of 2026.