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IAMTech iPlanSTO vs MaintWiz: Which Fits Your Shutdown?
Choose IAMTech iPlanSTO when a dedicated planning team wants a purpose-built tool for scope approval, estimating norms and work packs, with data exchange to Primavera P6, Microsoft Project and Excel, on a site licence reported to have no user cap. Choose MaintWiz when the shutdown should run inside your CMMS, with permits, isolations and spares status on each work order.
How MaintWiz helps: MaintWiz runs the shutdown inside the platform that holds your work orders, spares and ePTW permits, so no interface to a separate CMMS is needed.
By Jai Balachandran · Technical review: Murali Nerur Pasupathy · Published · Last reviewed
What MaintWiz adds:Critical path and floatReadiness gatesPermits and isolationsSpares status with SAP
Which fits
When is IAMTech iPlanSTO the better fit, and when is MaintWiz?
The honest split: iPlanSTO is a purpose-built STO planner that stays independent of the CMMS; MaintWiz connects the stop to the CMMS you already run.
Compared on public information read on 30 October 2026
Choose IAMTech iPlanSTO when
- A dedicated STO planning team wants a scope, estimating-norms and work-pack tool that contractors can join on one stop.
- The plant schedules in Primavera P6 or Microsoft Project and wants a two-way exchange with a scoping front end.
- You run a non-SAP CMMS, Maximo or IFS and want an STO layer that is independent of it.
- You are a contractor or EPC organisation running stops for many clients.
Either can work when
- You need scope cut-off with approvals, estimating and a master schedule with conflict flags.
- You want dashboards, including an S-curve, and an offline mobile app for the field.
- You are comparing a Monte Carlo risk view across tools.
Choose MaintWiz when
- Routine maintenance, spares, ePTW permits and the shutdown should live in one system.
- Permits and isolations on each work order are required; iPlanSTO's public material does not describe a permit feature.
- You want readiness gates with signed waivers and spares status tied to the SAP request or order behind each part.
- You prefer a subscription that grows with users and modules.
Comparison
How do IAMTech iPlanSTO and MaintWiz compare area by area?
Public information on iPlanSTO is limited: IAMTech's own site could not be loaded when we checked, so the rows rely on IAMTech-authored posts, a customer release and a third-party review. Rows where iPlanSTO is stronger are marked.
| Area | IAMTech iPlanSTO (public information) | MaintWiz |
|---|---|---|
| Scope and estimating | Scope cut-off with automated approvals, preloaded customisable estimating norms and automatic work-pack generation2 Stronger for estimating norms and work-pack generation. | Scope baselines and change tracking; AI scope and estimate agents propose and flag, a named approver decides |
| Scheduling | Unified master schedule with dependencies and conflict flags, resource levelling, a Monte Carlo risk simulator and S-curve dashboards2,4 | Native Gantt with critical path, float, baselines, critical chain and what-if scenarios; Monte Carlo confidence of finish |
| Data exchange | XML compatible with Primavera P6, Microsoft Project and Excel, with data moving both ways2; a review also lists SAP, IBM Maximo, IFS and Power BI links6 Stronger for P6 and MS Project exchange and CMMS independence. | SAP in PM or MM mode; Microsoft Project XML and Excel import; interoperability with Primavera P6 |
| Permits and isolations | Not described in the public material we found | ePTW permits and isolations on each work order, blocking close while open |
| Field execution | A free offline mobile app (iPlanMobile) and a new Completions module for punch lists and system handover2 Stronger for completions tracking. | Checklists with ticks, readings and photos, QR scan, offline on transaction screens |
| AI | A 2026 review reports AI scoping and planning tools6 | AI agents for scope, estimates, schedule review, daily summaries and lessons, each with a named approver |
| Deployment | Described as a desktop application plus a mobile app; a review says the platform is vendor-hosted, so the hosting model should be confirmed2,6 | Cloud platform with offline transaction screens for field work |
| References | SBM Offshore (2020) and HPCL-Mittal Energy (2024, with SAP and Primavera P6)7,8 | Case studies from tyre and paint manufacturing |
| Pricing | No vendor price found; a third-party review reports GBP 25,000 a year for one user and GBP 75,000 a year for one site with unlimited users6 | A written quote for your users, sites and modules, requested at a demo |
The rival
What is IAMTech iPlanSTO?
IAMTech iPlanSTO is shutdown, turnaround and outage planning software from IAMTech, a UK industrial software company in Stockton-on-Tees.
Public descriptions cover scope approval, estimating norms, work-pack generation, scheduling, a Monte Carlo risk simulator, dashboards with S-curves, an offline mobile app and a newer completions module2. It exchanges data with Primavera P6, Microsoft Project and Excel2.
- Listed on the UK G-Cloud digital marketplace1.
- IAMTech advertises no cap on users and lets third-party contractors join the same system, with role-based access by team or location5.
- SBM Offshore contracted iPlanSTO in 20207, and HPCL-Mittal Energy integrated it with SAP and Primavera P6 in 20248.
- We found no acquisition, rename or end-of-life notice for iPlanSTO between 2023 and 2026.
MaintWiz
What does the MaintWiz shutdown module include?
The module covers the schedule, readiness, permits, spares, field work and cost in one plan, with AI agents that propose and people who approve.
The shutdown and turnaround module plans, prepares, executes, controls and closes the stop in one system with the MaintWiz CMMS.
- Gantt chart with critical path, float, baselines and a float flag
- Critical chain analysis and what-if scenarios on the live plan
- Monte Carlo confidence of finish and the drivers of the forecast finish
- Readiness gates configured to your requirements, with signed waivers
- Permits and isolations from ePTW on each work order
- Spares status with the SAP request or order behind each part
- Technician checklists with readings, photos and findings to the planner
- AI agents for scope, estimates, schedule review, daily summaries and lessons
See the shutdown and turnaround module · AI shutdown planning
Working alongside
How do you run MaintWiz next to iPlanSTO, or move a stop to it?
Run one stop in both and compare.
Plants that use iPlanSTO for scope and work packs can run the stop in MaintWiz and keep both until they decide. Pilot in parallel.
- 1
Import
Bring the task list from your current tool, as Microsoft Project XML or Excel.
- 2
Compare
Check the critical path and float against your current plan.
- 3
Run in parallel
Run a pilot stop in both and compare status daily.
- 4
Switch
Move the stop to MaintWiz and train planners, supervisors and technicians.
FAQ
Frequently asked questions
Is iPlanSTO better than MaintWiz for scope and estimating?
iPlanSTO is built for it: it describes scope cut-off with approvals, estimating norms and automatic work-pack generation.2 MaintWiz is the better fit when the stop should share permits and spares with the CMMS.
Does iPlanSTO work with Primavera P6 and Microsoft Project?
Yes. IAMTech describes XML exchange with P6, Microsoft Project and Excel, with data moving both ways.2
What does iPlanSTO cost?
IAMTech does not publish a price that we could reach. A third-party review reports GBP 75,000 a year for one site with unlimited users and GBP 25,000 for one user; treat this as reported, not confirmed by the vendor.6
Does iPlanSTO handle permits?
Permit and isolation management is not described in the public material we found.
Is iPlanSTO cloud or desktop?
IAMTech describes a desktop application with a free mobile app; a review calls the platform vendor-hosted. Confirm the current hosting model with IAMTech.2,6
Can MaintWiz import a plan from iPlanSTO?
MaintWiz imports task lists as Microsoft Project XML or Excel. IAMTech says iPlanSTO generates XML compatible with Microsoft Project.2
Sources
Sources
IAMTech-authored posts, a customer release and a third-party review read on 30 October 2026. Check each vendor's current material before you decide; products change.
- UK Digital Marketplace, G-Cloud service listing for iPlanSTO
- Planning Planet, Mastering the six phases of shutdown and turnaround management with iPlanSTO
- Software Review, Industrial Asset Management Technology listing (a listing price was found but not confirmed, so it is not used)
- Planning Planet newsletter, IAMTech advertisement (25 July 2025)
- NEPIC, IAMTech company profile
- Reliable, Best shutdown, turnaround and outage (STO) software: guide to the main vendors (2026)
- Offshore magazine, SBM adopts STO software for offshore processes (1 December 2020)
- EIN Presswire, HMEL strengthens operational excellence with iPlanSTO from IAMTech (19 February 2024)
See your own shutdown plan in MaintWiz
Book a demo and bring last stop's task list. We will load it next to your current tool so you can compare the critical path, the gates and the daily view on your data.