SIHOO M18 vs FlexiSpot C7

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO M18

SIHOO

SIHOO M18

$289.99 – $299.99

VS
FlexiSpot C7

FlexiSpot

FlexiSpot C7

$429.99

7 years

longer warranty on FlexiSpot C7 than SIHOO M18 (official terms)

SIHOO M18FlexiSpot C7
Price
$289.99 – $299.99$429.99
Seat height
44–54 cm16.5–20.1 in (42-51 cm)
Seat depth
17.91 in (≈ 45.5 cm)17.3–20.5 in (44-52 cm)
Load capacity
330 lb (≈ 150 kg)Mesh Version: 350 lbs; Foam Version: 300 lbs
Recline
Maximum 126° recline angle90–130°
Arms
Adjustable armrests (Up and down)3D
Headrest
Headrest moves 3.9" up and down and pivots 45°4D
Lumbar support
Lumbar support adjusts vertically and horizontallyAdjustable Self-adaptive Dynamic & Forward and Backward Adjustable
Warranty
3 years10 years

What users mention

From 5 SIHOO M18 and 2 FlexiSpot C7 user reviews, most mentioned first. Green is liked, orange is a caution.

  • Price and value

    SIHOO M1813 mentions
    FlexiSpot C78 mentions
  • Adjustability

    SIHOO M1810 mentions
    FlexiSpot C79 mentions
  • Comfort

    SIHOO M187 mentions
    FlexiSpot C76 mentions
  • Back support

    SIHOO M187 mentions
    FlexiSpot C75 mentions
  • Breathability

    SIHOO M187 mentions
    FlexiSpot C74 mentions
  • Build quality

    SIHOO M187 mentions
    FlexiSpot C74 mentions

Questions

Which is cheaper, the SIHOO M18 or the FlexiSpot C7?

The SIHOO M18 is cheaper to start: $289.99 versus $429.99 for the FlexiSpot C7 at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO M18 as standard and the FlexiSpot C7 as standard.

What do owners mention most?

Price and value for the SIHOO M18, and adjustability for the FlexiSpot C7, based on review summaries.

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