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FourJaw

Best for UK machine shops
Starting price: €105–210/machine/mo · Clip-on current sensor
Editorial score
7.2
/10

Editorial assessment

FourJaw is a UK machine-monitoring platform whose MachineLink sensor clips onto any machine's power supply — new or decades old — and reads activity from the electrical current, showing live running, idle and stopped time without touching the controls.

Accuracy · 4.1/5
Time-to-value · 4.4/5
Cost efficiency · 4.2/5
Operator adoption · 4.2/5

Strengths

Fast, non-intrusive install (teams connect several machines in a couple of hours), quick intuitive insights, and built-in energy and carbon monitoring.

Limitations

Reporting is locked to standard views, the API is read-only (no two-way ERP flow), and support and language are UK-centric with English only.

Best for

A UK machining SME with five or more machines that wants fast visibility of machine time, jobs and energy without an IT project.

Verified user reviews

No verified reviews yet — be the first to write one.

Ratings on third-party platforms (retrieved August 2026): Capterra 4.6/5 (29 reviews)

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Editorial comparison published by TeepTrak, one of the vendors ranked here. Scores are this publication's own assessment against a published rubric — not vendor-supplied and not paid placements. User reviews are published only when submitted by real, verified users. We may earn a referral fee when you visit a vendor through our links.

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