● Pressure Cookers · Comparison

Instant Pot Duo 7-in-1 Electric vs All American 921 21.5-Quart Pressure

Both made our Best Pressure Cookers shortlist, at #1 and #3. Here's how they differ and who each one suits.

✎ PickHonest Research Desk▦ Updated June 1, 2026◷ 5 min read

As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.

Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-QuartInstant Pot Duo 7-in-1 Electric Pressure Cooker 6-QuartView on Amazon VS
All American 921 21.5-Quart Pressure Cooker/CannerAll American 921 21.5-Quart Pressure Cooker/CannerView on Amazon

Quick verdict

Choose the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart if you want pressure cooking mode replaces most slow cook recipes at 45 to 90 minutes instead of 8 to 10 hours. Choose the All American 921 21.5-Quart Pressure Cooker/Canner if you'd rather have no rubber gasket, metal-to-metal seal that never degrades or needs replacement. Overall we rank the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart higher: #1 versus #3 in our Best Pressure Cookers list.

Winner overall: Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart

Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart vs All American 921 21.5-Quart Pressure Cooker/Canner compared

Every difference that matters, in one table.

Keep researching

  • Best Pressure Cookers
  • Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart review
  • All American 921 21.5-Quart Pressure Cooker/Canner review
  • All pressure cookers

Bottom line

Choose the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart if you want pressure cooking mode replaces most slow cook recipes at 45 to 90 minutes instead of 8 to 10 hours. Choose the All American 921 21.5-Quart Pressure Cooker/Canner if you'd rather have no rubber gasket, metal-to-metal seal that never degrades or needs replacement. Overall we rank the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart higher: #1 versus #3 in our Best Pressure Cookers list.

Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart

Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart

Instant Pot

It stands out for sauté function eliminates the need for a separate pan before pressure cooking, real value at this price and cheap, widely available replacement parts keep long-term ownership costs low.

  • 6-quart stainless steel insert
  • 7-in-1 functions: pressure cook, slow cook, rice, sauté, steam, warm, yogurt
  • 14 smart programs
  • 3-ply bottom for even sauté heat
  • Sale price of $59 to $69 during 4 to 6 Amazon events per year

Pros

  • No rubber gasket, metal-to-metal seal that never degrades or needs replacement
  • The standard for pressure canning low-acid foods (green beans, meat, stock)
  • USA made with a multi-decade lifespan

Cons

  • Heavy, 15+ lbs empty
Prices and availability change, so confirm on Amazon.View on Amazon
All American 921 21.5-Quart Pressure Cooker/Canner
Best Canner

All American 921 21.5-Quart Pressure Cooker/Canner

All American

All American for households canning their own vegetables, meat, and stocks.

  • 21.5-quart
  • Pressure canning
  • Metal-to-metal seal
  • USA made

Pros

  • No rubber gasket, metal-to-metal seal that never degrades or needs replacement
  • The standard for pressure canning low-acid foods (green beans, meat, stock)
  • USA made with a multi-decade lifespan

Cons

  • Heavy, 15+ lbs empty
Prices and availability change, so confirm on Amazon.View on Amazon

FAQ

Common questions

Which is better, the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart or the All American 921 21.5-Quart Pressure Cooker/Canner?

Choose the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart if you want pressure cooking mode replaces most slow cook recipes at 45 to 90 minutes instead of 8 to 10 hours. Choose the All American 921 21.5-Quart Pressure Cooker/Canner if you'd rather have no rubber gasket, metal-to-metal seal that never degrades or needs replacement. Overall we rank the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart higher: #1 versus #3 in our Best Pressure Cookers list.

What is the difference between the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart and the All American 921 21.5-Quart Pressure Cooker/Canner?

The Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart stands out because pressure cooking mode replaces most slow cook recipes at 45 to 90 minutes instead of 8 to 10 hours, while the All American 921 21.5-Quart Pressure Cooker/Canner stands out because no rubber gasket, metal-to-metal seal that never degrades or needs replacement. The trade-offs differ too: the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart's ma in caveat is that slow cook mode runs 10 to 20 degrees hotter than a dedicated slow cooker, recipes need 25 to 30% less time, and the All American 921 21.5-Quart Pressure Cooker/Canner's is that heavy, 15+ lbs empty.

Is the Instant Pot Duo 7-in-1 Electric Pressure Cooker 6-Quart worth it over the All American 921 21.5-Quart Pressure Cooker/Canner?

For most buyers, yes: it's our #1 pick. Consider the All American 921 21.5-Quart Pressure Cooker/Canner instead if slow cook mode runs 10 to 20 degrees hotter than a dedicated slow cooker, recipes need 25 to 30% less time is a deal-breaker for you.

Keep researching

Related guides & comparisons