Manufacturing · head to head
Flow Software vs Paperless Parts

Flow Software
Manufacturing
Manufacturing KPI and OEE calculation engine with published list prices, licensed by measure count
- From
- $11390/one-time
- Rated
- -

Paperless Parts
Manufacturing
Quoting and estimating software for job shops, with geometry analysis and ITAR-aware handling
- From
- On request
- Rated
- -
The short version
- Each has a real cost: Flow Software the 11,390 dollar Starter licence caps at 250 measures and events, which a multi-line plant exhausts quickly once each line contributes a dozen calculations, forcing a jump to the 62,230 dollar tier.; Paperless Parts no pricing is published at any tier, and the mandatory implementation and data migration are quoted on top of the subscription, so the first-year cost is materially higher than the recurring one.
- They diverge on capability: Flow Software covers Calculation engine, Paperless Parts covers Geometry analysis.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Flow Software and Paperless Parts actually diverge.
| Attribute | Flow Software | Paperless Parts |
|---|---|---|
| Starting price | $11390/one-time | On request |
| Pricing model | One-time purchase | quote |
| Platforms | Windows, Web | Web |
Identical on both: free tier (No), user rating (Not yet rated), category (Manufacturing).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Flow Software
- Calculation engine
- Measure model
- Historian connectors
- Manual data entry
- Event framing
- Excel and Power BI output
- Flow dashboards
- AI Gateway
Only in Paperless Parts
- Geometry analysis
- Costing rules
- Customer portal
- Quote revisions
- ITAR-aware handling
- ERP hand-off
What people use each for
The jobs each tool is most often brought in to do.
Flow Software
- A brewery replacing a fragile network of OEE spreadsheets with governed calculations from the same historian datanot Paperless Parts
- Reporting specific energy consumption per tonne against an ISO 50001 audit where the calculation method must be documentednot Paperless Parts
- Feeding Power BI plant dashboards from a historian without giving analysts direct tag-level accessnot Paperless Parts
- A site that needs lab results typed in and combined with automated tag data in the same yield calculationnot Paperless Parts
Paperless Parts
- A CNC machine shop losing RFQs because quotes take three days to return by emailnot Flow Software
- A defence supplier that must process controlled RFQ files without exposing them to a generic cloud toolnot Flow Software
- A fabricator standardising estimating so quotes do not vary by which estimator picked them upnot Flow Software
- A contract manufacturer giving customers a portal to submit parts and receive prices themselvesnot Flow Software
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Flow Software
- The 11,390 dollar Starter licence caps at 250 measures and events, which a multi-line plant exhausts quickly once each line contributes a dozen calculations, forcing a jump to the 62,230 dollar tier.
- The Unlimited licence requires every engine on a single server or VM, so any multi-server or multi-site topology goes straight to Distributed at roughly double the price with no intermediate option.
- Maintenance renews at about fifteen percent of the installed base annually, so a large perpetual estate carries a five-figure recurring cost that the headline perpetual price hides.
- It is a Windows product with a Microsoft data stack, so Linux or container-native deployment strategies do not apply and the server has to be managed on the plant Windows estate.
- It calculates and reports but does not collect from equipment itself, so an existing historian or OPC layer is a prerequisite and Flow adds cost on top of that rather than replacing it.
Paperless Parts
- No pricing is published at any tier, and the mandatory implementation and data migration are quoted on top of the subscription, so the first-year cost is materially higher than the recurring one.
- The quality of automated quotes depends on costing rules the shop must write, which takes an experienced estimator out of production for weeks before the system is useful.
- ERP and shop system integration is gated to higher tiers, so a small shop on the entry plan is still retyping won quotes into its job system.
- Geometry analysis handles prismatic machined and sheet metal parts well but struggles with complex organic surfaces, weldments and assemblies, which still need manual estimating.
- Once costing logic and quote history live in the platform, moving to another system means rebuilding the rules from scratch, which is a strong practical lock-in beyond the contract term.
Pricing, plan by plan
Flow Software
$11390/one-time- Starter$11390/one-time
- 250 KPI measures and events
- Single server deployment
- First year of software maintenance included
- Unlimited$62230/one-time
- Unlimited KPI measures and events
- All engines must run on one server or dedicated VM
- First year of maintenance included
- Distributed$128450/one-time
- Unlimited measures with engines distributed across multiple servers
- Required for multi-server and multi-site deployments
- Available as an annual subscription at 34,250 USD instead
Paperless Parts
On request- Basic$undefined/year
- Quoting and geometry analysis
- Customer portal
- For small job shops and contract manufacturers
- Pro$undefined/year
- Integrations with ERP and shop systems
- Deeper costing configuration
- For mid-sized manufacturers
- Enterprise$undefined/year
- Controlled data handling for defence and aerospace
- Multi-site and multi-process support
- Priority support and dedicated onboarding
Which should you pick?
Choose Flow Software if
- You need calculation engine.
- You work on Windows, Web.
- You also want measure model.
Choose Paperless Parts if
- You need geometry analysis.
- You also want costing rules.
Questions people ask
- Is Flow Software or Paperless Parts better?
- Neither clearly leads. Flow Software starts at $11390/one-time and Paperless Parts at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Flow Software or Paperless Parts?
- Flow Software starts at $11390/one-time and Paperless Parts at On request.
- Does Flow Software or Paperless Parts run on more platforms?
- Flow Software runs on Windows, Web. Paperless Parts runs on Web.
- What is Flow Software best used for?
- Flow Software is most often used for a brewery replacing a fragile network of oee spreadsheets with governed calculations from the same historian data, reporting specific energy consumption per tonne against an iso 50001 audit where the calculation method must be documented, feeding power bi plant dashboards from a historian without giving analysts direct tag-level access, a site that needs lab results typed in and combined with automated tag data in the same yield calculation. Of those, a brewery replacing a fragile network of oee spreadsheets with governed calculations from the same historian data and reporting specific energy consumption per tonne against an iso 50001 audit where the calculation method must be documented are not what Paperless Parts is typically brought in for.
- What can Flow Software do that Paperless Parts cannot?
- Flow Software covers Calculation engine, Measure model, Historian connectors, Manual data entry. Paperless Parts covers Geometry analysis, Costing rules, Customer portal, Quote revisions.
Answered from the vendors’ own pages
Flow Software: Does Flow publish real prices?
Yes. Starter is 11,390 USD perpetual for 250 measures, Unlimited is 62,230 USD perpetual or 16,595 USD a year, and Distributed is 128,450 USD perpetual or 34,250 USD a year.
Paperless Parts: How much does Paperless Parts cost?
It does not publish pricing. Expect a tiered annual subscription plus a separately quoted implementation and data migration.
Flow Software: Is perpetual licensing still offered?
Yes, at every tier, with the first year of maintenance included and renewal at roughly fifteen percent per year. Subscription is available on Unlimited and Distributed only.
Paperless Parts: Does it quote automatically without setup?
No. It applies your costing rules to analysed geometry, and those rules have to be built with your estimator during implementation.
Flow Software: Do I need a historian as well?
Effectively yes. Flow reads from historians, databases and OPC sources; it is a calculation layer, not a data collector.
Paperless Parts: Can it handle ITAR-controlled RFQs?
It markets controlled data handling for defence and aerospace work, which is a main reason regulated shops choose it over generic quoting tools.
Flow Software: What counts as a measure?
Each configured KPI or event definition. A single line typically consumes ten to thirty, which is what makes the 250 Starter cap tighter than it looks.
Paperless Parts: Will it integrate with my shop ERP?
Integrations exist but are gated to the higher tiers, so confirm your ERP is covered at the tier you are quoted.
Related pages
More on Flow Software
More on Paperless Parts
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