Head-to-head · SPC Software
Zontec SynergySPC vs QA/S SPC
Zontec SynergySPC leads on 0 checks, QA/S SPC on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreZontec SynergySPC · 8.7/10
- Most featuresZontec SynergySPC · 4 of 5
Zontec SynergySPC scores higher on our rubric for spc software: 8.7 against 8.6 out of 10; our editors rank them #2 and #3.
Zontec SynergySPC is the better fit for manufacturers needing real-time SPC and mixed data capture. QA/S SPC is the better fit for production teams connecting SPC with gauges and MES.
- Zontec SynergySPC fits best
Manufacturers needing real-time SPC and mixed data capture
- QA/S SPC fits best
Production teams connecting SPC with gauges and MES
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Side by side
| Feature | Zontec SynergySPC 8.7/10 Visit ↗ | QA/S SPC 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.7 | 8.6 |
| Ranking | #2 in SPC Software | #3 in SPC Software |
| Best for | Manufacturers needing real-time SPC and mixed data capture | Production teams connecting SPC with gauges and MES |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | Pricing on request |
| Free plan | Not checked yet | Not checked yet |
| Free trial | — | — |
| Deployment | Desktop, Self-hosted | Cloud, Desktop |
| Platforms | Windows | Web, Windows |
| Support | Email, Phone, Docs | |
| Built for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features Zontec SynergySPC 4/5 · QA/S SPC 3/5 | ||
| Process capability analysis | ✓ | ✓ |
| Gage R&R / MSA | ✓ (best) | Not checked yet |
| Real-time monitoring | ✓ | ✓ |
| Rule-based alerts | ✓ | ✓ |
| API access | Not checked yet | Not checked yet |
| Specs | ||
| Data collection mode | Mixed | Mixed |
| Deployment model | On_premise | On_premise |
| Our review | ||
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| Cons |
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| Our verdict | Zontec SynergySPC is statistical process control software for manufacturers, particularly quality and process engineers monitoring production variation and investigating out-of-control conditions. It runs as a Windows application and… Read the review → |
QA/S SPC is a statistical process control product for manufacturing operators, quality personnel, engineers and managers. It combines capability calculations such as Cp, Cpk, Pp and Ppk with control charts, dashboards and quality reports.… Read the review → |
Strengths and trade-offs
Zontec SynergySPC — where it wins
- Combines control charts, capability analysis and Gage R&R
- Monitors production measurements in real time with rule-based alerts
- Supports manual and automated data collection
Where it doesn't
- Runs on Windows rather than across multiple listed platforms
- Requires contacting Zontec for pricing
- On-premise deployment may not suit teams seeking a cloud service
QA/S SPC — where it wins
- Calculates Cp, Cpk, Pp and Ppk alongside control charts.
- Collects data from multiple machines at one station.
- Connects Sylvac and Mitutoyo gauges and synchronizes with MES and ERP.
Where it doesn't
- Pricing requires contacting the vendor.
- Deployment details span cloud and desktop, while hosting specifics are unclear.
- Email is the listed support channel.
- Zontec SynergySPC8.7/10 · Pricing on request
Windows-based SPC for real-time monitoring, analysis and flexible measurement capture.
Contact ZontecFull verdict → - QA/S SPC8.6/10 · Pricing on request
Manufacturing SPC with gauge links, machine data collection and MES/ERP synchronization.
Contact BenchmarkFull verdict →
More comparisons
- NEXSPC vs Zontec SynergySPC
- NEXSPC vs QA/S SPC
- Zontec SynergySPC vs Mitutoyo MeasurLink
- Zontec SynergySPC vs SigmaDesk
- Zontec SynergySPC vs SAS/QC
- Zontec SynergySPC vs FAST SPC Software
- Zontec SynergySPC vs Q-DAS qs-STAT
- QA/S SPC vs Mitutoyo MeasurLink
All SPC software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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