Side-by-side comparison of DEEBOT X9 PRO OMNI (ECOVACS) and LIYYOU M20m Pro (LIYYOU) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Manufacturer Country

Year First Available

Verified Deployments

Price

Battery / Shift Runtime

Availability Status

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|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | China | China |
| Year First Available (values differ) | 2024 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $800 USD | Contact for quote |
| Battery / Shift Runtime (values differ) | 2.6 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Payload Capacity, Reach, Max Speed, IP Rating, Autonomy Level
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | DEEBOT X9 PRO OMNI | LIYYOU M20m Pro |
|---|---|---|
| Investment | $800 | No price |
| Payback period | < 1 mo | — |
| Net savings (5 yr) | $249,200 | — |
| ROI (5 yr) | +31150% | — |
LIYYOU M20m Pro has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Frequently asked
DEEBOT X9 PRO OMNI is made by ECOVACS, based in CN. LIYYOU M20m Pro is made by LIYYOU, based in CN.
DEEBOT X9 PRO OMNI grades AA on the Robo Index. LIYYOU M20m Pro grades BB. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Both robots are classified as Home Cleaning on Robolist. Filters and ranking treat them as direct alternatives.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: The hidden specs vendors hope you'll miss.
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DEEBOT X9 PRO OMNI vs LIYYOU M20m Pro compares two robots in the home-cleaning category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.