We’ve read the reviews across the web for the Jetboil Flash Stove and summarize the results below:

Universal Ranking

PeakScore: 89 (out of 100) 
User Rating: 4.6 stars   
Expert Rating 4.0 stars

Pros & Cons

Reasons to buy:

User Reviews

• Fast, efficient and can be taken anywhere.
• Components all fit securing inside the stove for packing.
• The logo on the side changes color when the water inside is boiling.
• Clean and mess-proof.
• Great for not only backpacking but also camping.
• Boils water faster than my car caming stove.
• Measuring lines on inside of container are helpful.

Expert Reviews

• No frills and great value if you want to boil water quickly.
• Excellent backpacking stove that is compact, ultralight and self-contained.

Reasons NOT to buy:

User Reviews

• The color boiling indicator on the side stopped working.
• Wind can affect its performance.
• Not all 3rd party fuel canisters fit in the cup for packing.
• The ignition stopped working after about 100 uses.
• Does not simmer, so only good for boiling water.
• No base to support frying pan.
• If you want to be able to simmer, look at the MiniMo, not the Flash.

Expert Reviews

• Wind can slow it down.
• The MiniMo is more versatile and performs better across the board.
• Other stoves are faster in the cold or the wind.
• Must allow pot to cool before removing it from stove.
• The bottom cup is weak.

Summary:

The Jetboil Flash Stove is lightweight, efficient and easy to use. While not the best in cold and windy conditions, nor able to simmer, the Flash provides a reliable option for backpackers looking primarily to boil water quickly.

Media:

Notes:

User rankings were reviewed across the web and expert rankings were reviewed on outdoorgearlab, sectionhiker, gearinstitute.