Which is better for a guest room?

The Mainstays. It needs no assembly, folds flat for storage, and costs $64.99 at eBay as of November 6, 2026.

Which holds more weight?

The Zinus Suzanne, at 700 lb for Full through Cal King. The Mainstays lists 600 lb.

Is the Zinus worth the extra money?

Yes if you want a bamboo footboard, a 5-year warranty, and a higher weight limit. Otherwise the Mainstays saves you about $83.

Do either need a box spring?

No. Both are platform frames with slats, so a mattress sits directly on them.

Which is easier to move?

The Mainstays. Its quad-fold design collapses without tools. The Zinus is a fixed frame you assemble.

The Zinus has the edge on paper with a 5-year warranty and a 700 lb limit. The Mainstays has no stated warranty.

Mainstays Quad Fold Platform Bed Frame vs Zinus Suzanne Metal Platform Bed Frame

Buy the Mainstays if you want the cheapest sturdy full platform bed and don't mind a plain steel look. Buy the Zinus Suzanne if you want a bamboo-and-metal frame with a 5-year warranty and a 700 lb full-size limit. As of November 6, 2026, the Mainstays is $64.99 at eBay and the Zinus is $148.00 at Amazon, so the Zinus costs about $83 more.

Today the Mainstays Quad Fold Platform Bed Frame costs $83.01 less at its best price.

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