Comparing SCADA platforms is hard for a structural reason: every vendor slices the market differently, half of them hide pricing behind a sales call, and the license fee is rarely the number that actually decides. This hub organizes every comparison we have published into three groups — head-to-head matchups, alternatives roundups, and decision guides — with an honest one-line verdict on what each one answers, so you can jump straight to the comparison that fits where you are in the buying process.
Compare SCADA platforms on five dimensions: protocol and hardware compatibility, five-year total cost of ownership, deployment model, reliability commitments (uptime SLA, redundancy, alarm delivery speed), and the licensing structure that determines how costs scale. Then shortlist two or three candidates and run a scored pilot on your own equipment — a demo on the vendor's sample project proves nothing about your PLCs.
The order matters. Compatibility is the first filter because it is binary: a platform that cannot poll your Modbus RTUs or your Siemens S7 controllers is disqualified no matter how good its screens look. Cost structure comes next because it is where platforms diverge most — per-tag, per-client, per-server, and flat-subscription models produce wildly different five-year numbers for the same site count. Feature checklists come last, because every mature platform trends, alarms, and reports; the differences that survive five years of operation are architectural, not cosmetic.
Every guide below applies that same framework. Where Merobix appears in a comparison, we state our own numbers plainly — 99.9% uptime SLA on cloud plans, sub-30-second SMS and email alarm delivery, 20 protocol drivers across 7 families, cloud or on-premise deployment of the same platform — and we credit competitors where they are genuinely stronger. A comparison that always crowns its author is a brochure, and you can smell those from the first paragraph.
Use these when you have already narrowed the field to specific names and want the direct A-versus-B breakdown: architecture, licensing, deployment, and where each platform genuinely wins.
Cloud-managed SCADA with a contractual 99.9% SLA against the self-hosted gateway platform with publicly listed pricing. The honest answer depends on whether you want to run servers — this matchup shows exactly where that line falls.
Two of the most widely deployed traditional platforms compared on licensing philosophy, architecture, and modernization path. Useful even if you buy neither — the contrast explains how the whole legacy market prices.
Rockwell's tightly integrated ecosystem against AVEVA's platform depth. The deciding factor is usually your installed PLC base and integrator relationships, and this guide maps both.
What iFIX does well after decades in the field, where it shows its age, and the platforms operators actually evaluate when a migration lands on the roadmap.
Managed cloud SCADA against the deepest platform stack in the industry. AVEVA's engineering-object model and integrator ecosystem are real strengths — this matchup shows when they justify the project cost and when they don't.
If your plant runs ControlLogix, FactoryTalk's native Logix integration is hard to beat. The question is what happens on mixed fleets and multi-site operations — where per-client licensing and protocol breadth start deciding the math.
TIA Portal integration against web-native access from any browser. WinCC owns the Siemens-standardized plant; this guide covers the mixed-fleet and remote-operations cases where the calculus shifts.
VTScada's all-in-one installer and perpetual licensing have earned real loyalty, especially in water and wastewater. Compared here against managed cloud deployment on licensing, protocols, remote access, and fit by industry.
Web-native SCADA against the Windows client/server veteran. iFIX's decades of field history and integrator bench count for a lot — this head-to-head maps where that maturity wins and where the architecture shows its age.
Use these earlier in the process, when you are building the long list. Roundups are for cutting ten-plus vendors down to the two or three worth pilot-testing — not for making the final call.
For teams that need serious monitoring without the server room or the integrator-led deployment. Covers what you give up leaving AVEVA-class depth, not just what you gain.
The 2026 field of platforms built cloud-first rather than ported to the cloud — and why that architectural distinction matters more than the marketing suggests.
The widest lens in this hub: ten major platforms on deployment model, licensing structure, strengths, and fit. Start here if you are starting from zero.
The companies behind the products — who builds what, how they sell it, and what their business model means for you as a customer over a ten-year relationship.
What trust actually means in SCADA: contractual SLAs, security posture, support responsiveness, and vendor longevity — evaluated on evidence rather than brand age.
The cloud SCADA field ranked on what matters for distributed operations: alarm delivery, deployment speed, protocol coverage, and what the subscription really includes.
ScadaBR, Rapid SCADA, FUXA and friends — what open source genuinely does well, what it costs you in practice, and when a managed platform wins.
Use these to settle the questions that come before — and after — any vendor shortlist: what the technology categories actually mean, how licensing models scale, and what a system truly costs over five years.
The five-year math, category by category: licenses, servers, integration, support contracts, upgrades, and staff time. This is the single most useful guide in the hub if you read only one.
Per-tag, per-client, per-server, and flat-subscription models decoded — and how each one behaves when your operation doubles. Licensing structure predicts your cost curve better than any list price.
ISA-18.2 rationalization, suppression and shelving, escalation chains, and guaranteed SMS/email delivery — the alarm layer, compared across platform types.
The RFP-grade checklist for large deployments: redundancy, identity integration (LDAP, SAML, RADIUS, FIDO2), SIEM forwarding, enterprise system integrations, and historian federation.
Two categories that overlap more every year, compared on control philosophy, cost, and typical fit. Read this before you compare vendors across the category line by accident.
The foundational distinction — PLCs control, SCADA supervises — explained without jargon. The right starting point if your team is new to the stack.
The deployment decision that should come before any vendor comparison: cost structure, security, data residency, and who carries the uptime burden in each model.
Reliability commitments matter most — the uptime SLA, the redundancy architecture behind it, and how fast alarms reach a human. A SCADA system that is down or silent during an upset delivers zero value regardless of its feature list, which is why the numbers to extract from any comparison are the contractual ones: Merobix, for example, commits to a 99.9% uptime SLA on cloud plans and SMS/email alarm delivery in under 30 seconds.
Second is total cost of ownership, not license price. The license is typically a minority of the five-year cost once servers, integration engineering, support contracts, upgrades, and redundancy licensing are counted — two platforms with similar sticker prices can diverge by multiples after that math. Third is deployment model fit: decide cloud versus on-premise first, because the two models distribute cost and responsibility so differently that comparing across them feature-by-feature misleads. Everything else — screen builders, mobile apps, reporting — is worth evaluating only after those three are settled.
The one-question shortcut: ask every vendor for the fully loaded five-year cost of your actual site count, in writing, including redundancy and support. Platforms with clean cost structures answer in days. Platforms with complicated ones send a solutions architect. The speed and shape of the answer is itself comparison data.
Merobix appears in many of the guides above, so here is our position stated once, plainly. Merobix is one SCADA platform sold two ways: cloud-hosted — fully managed, typically live in 3–5 days, backed by a 99.9% uptime SLA — or on-premise on your servers or VMs, including air-gapped networks with full data residency. Both run the same 20 protocol drivers across 7 families (Modbus TCP/RTU, OPC UA/DA, EtherNet/IP, Siemens S7, DNP3, BACnet, MQTT Sparkplug B, IEC 60870-5-104, PROFINET, and HART-IP among them), and both deliver SMS and email alarms in under 30 seconds. Plans run Starter, Professional, and Enterprise — the Enterprise tier adds hot standby redundancy, LDAP/SAML/RADIUS/FIDO2 identity with SIEM forwarding, integrations with SAP, Maximo, ServiceNow, PagerDuty, AWS IoT, Azure IoT, Kafka, and Tableau, and historian federation. The full matrix is on the plans page, and the platform capabilities are detailed on the features page.
Pricing is custom-quoted rather than listed, so in our comparisons we quote competitors' publicly listed figures where they exist and describe our own structure honestly: flat plans with no per-tag or per-client fees. Where a competitor is genuinely stronger for a use case — and in several of the matchups above, one is — the guide says so. If you would rather compare against a live system than a spec sheet, request a demo or review our security architecture first; the ROI calculator puts numbers on the downtime side of the equation.
Compare SCADA platforms on five dimensions: protocol and hardware compatibility, five-year total cost of ownership, deployment model (cloud, on-premise, or both), reliability commitments such as uptime SLAs and alarm delivery speed, and the licensing structure that determines how costs scale as you grow. Start by shortlisting two or three platforms that support your existing PLCs and RTUs, then run a scored pilot or demo on your own equipment before signing anything. A platform that cannot talk to your field devices is disqualified no matter how good its dashboards look, which is why compatibility is the first filter, not the last.
Reliability commitments matter most: a contractual uptime SLA, the redundancy architecture behind it, and alarm delivery speed — because a SCADA system that is down or silent during an upset delivers zero value regardless of its features. After reliability, weigh protocol coverage against your installed hardware, five-year total cost of ownership, and cybersecurity posture. Feature checklists matter least — most mature platforms cover trending, alarming, and reporting, so the real differences live in architecture, cost structure, and who carries the operational burden of keeping the system running.
Because the initial license is typically a minority of what a SCADA system costs over five years — servers, integration engineering, annual support contracts, version upgrades, redundancy licensing, and staff time to maintain the stack usually add up to several times the license line item. Two platforms with similar sticker prices can diverge dramatically once you price the backup server license, the historian add-on, and the integrator hours. That is why every comparison in this hub treats total cost of ownership, not list price, as the number that decides.
Decide the deployment model first, then compare platforms within that model — cloud and on-premise systems distribute cost and responsibility so differently that a direct feature-to-feature comparison misleads. Cloud SCADA trades capital expense and server maintenance for a subscription and a vendor uptime SLA; on-premise trades higher upfront cost and operational burden for air-gap compatibility and full data residency. Some platforms, including Merobix, are sold both ways — the same platform cloud-hosted or on your own servers — which lets you compare the two models on your requirements rather than being forced into one by the vendor.
Two or three. Fewer than two removes your negotiating leverage and blinds you to alternatives; more than three multiplies evaluation effort without improving the decision, because properly pilot-testing each candidate takes real engineering time. Use the roundup guides in this hub to cut the field of ten-plus vendors down to the two or three that fit your protocols, deployment model, and budget structure, then spend your evaluation time on hands-on pilots with that short list.
99.9% uptime SLA in the cloud, hot standby on-premise — flat, custom-quoted plans with no per-tag or per-client fees.