Q4i vs THeMIS
Side-by-side comparison of Q4i (ideaForge) and THeMIS (Milrem Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Q4iIndia
- THeMISEstonia
Year First Available
- Q4i—
- THeMIS2015
Verified Deployments
- Q4i0 Deployments
- THeMIS0 Deployments
Layer 2: Operational
Price
- Q4i$12,470 USD
- THeMISContact for quote
Battery / Shift Runtime
- Q4i0.7 hrs
- THeMIS1.5 hrs
Availability Status
- Q4iACTIVE
- THeMISACTIVE
Layer 3: Category Specific
Payload Capacity
- Q4i—
- THeMIS1,200 kg
Max Speed
- Q4i7 m/s
- THeMIS5.6 m/s
Autonomy Level
- Q4isemi-autonomous
- THeMIS—
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | India | Estonia |
| Year First Available (values differ) | — | 2015 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $12,470 USD | Contact for quote |
| Battery / Shift Runtime (values differ) | 0.7 hrs | 1.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Payload Capacity (priority for Manufacturing buyers) (values differ) | — | 1,200 kg |
| Max Speed (values differ) | 7 m/s | 5.6 m/s |
| Autonomy Level (values differ) | semi-autonomous | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Reach, IP Rating
ROI Comparison
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 | Q4i | THeMIS |
|---|---|---|
| Investment | $12,470 | No price |
| Payback period | 3.0 mo | — |
| Net savings (5 yr) | $237,530 | — |
| ROI (5 yr) | +1905% | — |
THeMIS 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.
Trade-offs at a glance
Frequently asked
Who makes Q4i and THeMIS?
Q4i is made by ideaForge, based in IN. THeMIS is made by Milrem Robotics, based in EE.
How do Q4i and THeMIS compare on the Robo Index?
Q4i grades BBB on the Robo Index. THeMIS grades AA. 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.
Are Q4i and THeMIS in the same category?
Both robots are classified as Security on Robolist. Filters and ranking treat them as direct alternatives.
What should a buyer ask vendors when choosing between Q4i and THeMIS?
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 security-robot vendor RFP: questions and red flags.
Going deeper — picking the right robot
The security-robot vendor RFP: questions and red flags
10 min readSecurity & Surveillance Robots
A 90-day playbook to deploy a security robot
8 min readSecurity & Surveillance Robots
Security robot platform decision framework
7 min readSecurity & Surveillance Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
Want to be notified when specs or pricing change for these robots? Drop your email.
Other comparisons
About this comparison
Q4i vs THeMIS compares two robots in the security 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.