Purple Harmony vs Pillow Cube
Compared from manufacturer specifications and our research — neither pillow has been hands-on tested yet · See how Mr. Squish tests pillows
Purple Harmony Pillow
Purple · Talalay Latex + GelFlex Grid · Medium
A Talalay latex core wrapped in Purple's honeycomb GelFlex Grid. It feels like floating instead of sinking, sleeps remarkably cool, and comes in three heights for different sleep positions.
9.3/10 · from $229
Read the full review
Pillow Cube Side Cube Original
Pillow Cube · Memory Foam · Firm
A cube-shaped memory foam pillow engineered to fill the shoulder-to-ear gap and keep the spine perfectly aligned.
8.6/10 · from $99
Read the full reviewPurple Harmony Pillow and Pillow Cube Side Cube Original belong on the same shortlist, but they solve the pillow-fit problem differently. Purple pairs latex with its open grid for airflow and response; Pillow Cube uses a tall rectangular foam block built purely around the side-sleeper shoulder gap.
This comparison uses manufacturer specifications, canonical product records, and patterns in owner feedback. Mr. Squish has not physically tested these pillows side by side.
Side by side
| Purple Harmony Pillow | Pillow Cube Side Cube Original | |
|---|---|---|
| Fill | Talalay Latex + GelFlex Grid | Memory Foam |
| Firmness | Medium | Firm |
| Adjustable | No | No |
| Best positions | side, back, combination | side |
| Price | $229 | $99 |
Construction and feel
Purple Harmony Pillow uses talalay latex + gelflex grid, while Pillow Cube Side Cube Original uses memory foam. That construction difference affects how each pillow reshapes, compresses, and supports the head more than surface marketing language does.
Firmness is listed as medium for Purple Harmony Pillow and firm for Pillow Cube Side Cube Original. Treat those labels as starting points: body size, mattress sink, and pillowcase tension can change the effective feel.
Fit and adjustability
Purple Harmony Pillow is fixed in construction, so choosing the right height matters at purchase. Pillow Cube Side Cube Original is fixed in construction and depends more heavily on an accurate initial fit.
Published position guidance points to side, back, combination for Purple Harmony Pillow, compared with side for Pillow Cube Side Cube Original. Your primary position should carry more weight than the headline score.
Price and buying risk
Purple Harmony Pillow starts around $229; Pillow Cube Side Cube Original starts around $99. Price can change, so compare the current offer alongside the trial, warranty, care requirements, and whether the design can be adjusted after purchase.
A lower price is not automatically better value if the loft or shape is wrong. The safer choice is the pillow whose construction matches your position and frame with the least guesswork.
Choose Purple Harmony Pillow if you sleep in more than one position and want airflow plus a resilient, familiar pillow shape.
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Choose Pillow Cube Side Cube Original if you stay on your side all night and want maximum fixed height to fill the ear-to-shoulder gap.
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Our verdict
Purple Harmony Pillow is the stronger fit when you sleep in more than one position and want airflow plus a resilient, familiar pillow shape. Pillow Cube Side Cube Original makes more sense when you stay on your side all night and want maximum fixed height to fill the ear-to-shoulder gap. The right winner depends on fit and construction rather than the highest score alone.
See the full shortlist
Best Pillows for Side Sleepers
Compare these two pillows with the other leading research picks for this category.
View the best-of guide →