Side-by-side comparison of DEEBOT T20 OMNI (ECOVACS) and LIYYOU M20m Plus (Ningbo Liyyou Group Co., Ltd.) — 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


![]() | ![]() | |
|---|---|---|
| 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) | $381 USD | $83 USD |
| Battery / Shift Runtime (values differ) | 170 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 T20 OMNI | LIYYOU M20m Plus |
|---|---|---|
| Investment | $381 | $83 |
| Payback period | < 1 mo | < 1 mo |
| Net savings (5 yr) | $249,619 | $249,918 |
| ROI (5 yr) | +65517% | +302930% |
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 T20 OMNI is made by ECOVACS, based in CN. LIYYOU M20m Plus is made by Ningbo Liyyou Group Co., Ltd., based in CN.
DEEBOT T20 OMNI is listed at $381. LIYYOU M20m Plus is listed at $83.
DEEBOT T20 OMNI grades AA on the Robo Index. LIYYOU M20m Plus grades BBB. 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 T20 OMNI vs LIYYOU M20m Plus 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.