Head to head · updated 2026-07-19
Apollo vs Walker S2: which robot wins?
Apptronik's Apollo against UBTech's Walker S2 — price, capability, availability, and a verdict you can act on.
| Apollo | Walker S2 | |
|---|---|---|
| EST. PRICE | Lease only | Enterprise pricing |
| HEIGHT | 5′8″ / 173 cm | ~5′6″ / 170 cm* |
| WEIGHT | ~73 kg | ~65 kg* |
| PAYLOAD | 25 kg | ~15 kg* |
| RUNTIME | ~4 hrs (swappable) | Hot-swappable battery (self-swap) |
| DEXTERITY | Modular, swappable batteries | Dual 7-DOF arms* |
| AVAILABILITY | Commercial only | Industrial only |
| WHICHBOT SCORE | 7.9 / 10 | 8.2 / 10 |
| OUR TAKE | Built like a forklift with hands — swappable batteries, warehouse-first. A workhorse, not a roommate. | The factory workhorse from China’s most established humanoid maker — famous for swapping its own battery to work around the clock. |
* Prices are estimates from public statements and filings. Availability changes weekly.
WHICHBOT VERDICT
Neither robot is sold to consumers — both are commercial platforms. For businesses, Walker S2 edges it on our scoring (8.2 vs 7.9), but the right answer depends on your workflow: payload, shift length, and integration support matter more than headline specs.
CHOOSE THE APOLLO IF…
- Warehouse and manufacturing operators — not home buyers.
- Highest payload of any humanoid in this index (25 kg)
- Hot-swappable batteries = continuous shifts
CHOOSE THE WALKER S2 IF…
- Businesses evaluating proven factory humanoids with 24/7 ambitions.
- Autonomous battery self-swap enables near-continuous operation
- Real deployments: auto plants, logistics, aircraft assembly trials
Frequently asked
Which is better, the Apollo or the Walker S2?
It depends on your goal. Warehouse and manufacturing operators — not home buyers. By contrast: Businesses evaluating proven factory humanoids with 24/7 ambitions. Our scores: Apollo 7.9/10, Walker S2 8.2/10.
How do the prices compare: Apollo vs Walker S2?
Apollo: Lease only. Walker S2: Enterprise pricing. Figures compiled from public sources as of July 2026; service and lease pricing is quoted per project.
Can I get either of them today?
Apollo: Commercial only — Commercial deployments in warehousing and manufacturing, including work with major logistics partners. Walker S2: Industrial only — Deployed in real industrial pilots — including automotive plants and aircraft assembly trials with Airbus — with volume orders from Chinese manufacturers.
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