Sourdough Starter Jar
MaybeShoppers spend an estimated $6.9M a year here. But demand is soft, at -21.5% this quarter, so Sourdough Starter Jar is a Maybe.
- Flapen Score
- 60 / 100Top 10% of 11,240 Home & Kitchen niches · +11 vs the category median of 4960
- Market size
- $6.9M/yr5.3M searches / yr
- 90-day growth
- -21.5%search demand this quarter
- Competition
- 45%top-5 click share · 21 brands · 42 sellers
Flapen Score
Sourdough Starter Jar against its category
The dotted line is the Home & Kitchen average. Past it, Sourdough Starter Jar is stronger. Inside it, weaker.
Market
The Sourdough Starter Jar market on Amazon at a glance
Shoppers on Amazon United States searched for Sourdough Starter Jar 5.3M times last year and spent an estimated $6.9M. The top 5 brands take 75% of clicks. Demand peaks in Jan. Flapen scores it 60 out of 100, a Maybe.
01 · Demand
An estimated 6.1% of those searches ended in a purchase.
Shoppers searched for this 5.3M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.1% of those searches ended in a purchase. Searches in the last 90 days moved -21.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $6.9M a year.
- Searches, last 12 months
- 5.3M
- Growth, 90 days vs prior 90
- -21.5%
- Conversion, latest week
- 6.1%
- Market size, estimated
- $6.9Ma year
- Peak month
- January2.0× the quietest month
- Top search term
- sourdough starter jar1.7M searches a year
02 · Price
A sale here is worth $21.57.
Listings sell for $21.57 on average, from $9.51 to $33.89. Amazon reports units sold in ranges. This niche sold 250K to 300K a year. The average listing sells 8,000 to 10,000 of them. At $21.57 that is $173K to $216K a year per listing.
- Average price
- $21.57inside the $15 to $100 sweet spot
- Price range
- $9.51–$33.89
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250K–300K
- Units per listing a year
- 8,000–10,000
- Revenue per listing a year
- $173K–$216K
- Returns
- 2.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.2% of listings are out of stock. The average listing ranks #168 within Canning. It carries 942 reviews at 4.67 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 100%
- Out of stock, average day
- 0.2%
- Average rank
- #168in Canning
- Average rating
- 4.67 starsAmazon United States average 4.42 stars
- Average reviews
- 942per listing
- Listings tracked
- 34
04 · Newcomers
8 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 8 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 8
- Successful launches
- 8Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top Sourdough Starter Jar products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Aug 5, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Weck Tulip Jars 1 Liter - Large Sour Dough Starter Jars with Wide Mouth - Suitable for Canning and Storage - 2 with Glass Lids
- Price
- $25.17
- Rating
- 4.8/5
- Reviews
- 3,353
- Age
- 6y ago

WECK 743 Mold Jar (Weck 743)
- Price
- $24.47
- Rating
- 4.7/5
- Reviews
- 3,033
- Age
- 5y ago

INOBYO Sourdough Starter Jar Kit 24 oz Wide Mouth Sour Dough Jars Glass
- Price
- $9.84
- Rating
- 4.5/5
- Reviews
- 557
- Age
- 2y ago

WECK Canning Jars 742 Mold Jars made of Transparent Glass - Eco-Friendly Canning Jar - Storage for Food Yogurt with Air Tight Seal and Lid - 1/2 Liter Tall Jar Set - (2 Jars)
- Price
- $22.71
- Rating
- 4.6/5
- Reviews
- 897
- Age
- 5y ago

Weck Tulip Jar - Sour Dough Starter Jars for Sourdough - 1 x WECK 745 Large Clear Jar with Wide Mouth - 1 Liter Includes Glass Lid rubber seal and steel clips
- Price
- $18.43
- Rating
- 4.8/5
- Reviews
- 2,161
- Age
- 5y ago
Trending
estimated 90-day click momentum
Wide Mouth Canning Jars 27 oz - 2 Pack Sourdough Starter Jars with 4 Lids
- Price
- $17.06
- Rating
- 4.7/5
- Reviews
- 101
- Age
- 3mo ago

Canning Jars 27 oz 2 Pack Sourdough Starter Jars with Glass & Plastic Lids
- Price
- $19.50
- Rating
- 4.9/5
- Reviews
- 136
- Age
- 7mo ago

Snuvid 1 L (34 oz) Sourdough Starter Jar Kit Wide Mouth Potbelly Crock - Glass Sour Dough Starter Bread Jar Set - Sourdough Baking Supplies - Sour Dough Bread Accessories Gifts for Sourdough Lovers
- Price
- $19.30
- Rating
- 4.8/5
- Reviews
- 320
- Age
- 7mo ago

WECK - Sour Dough Starter Jars - Classic Glass Jars for Sourdough with Glass Lid - Tulip Jar with Wide Mouth 1 Liter Includes Cork Lid & Keep Fresh Cover (2 Pack)
- Price
- $33.70
- Rating
- 4.8/5
- Reviews
- 333
- Age
- 5y ago

2 Pack Premium Pro Sourdough Starter Jar Kit - 40oz Large Wide Mouth Sourdough Bread Jar with Marked Feeding Band Thermometer Scraper Cloth Cover & Silicone Lid/Base Glass Container Baking Supply
- Price
- $20.40
- Rating
- 4.8/5
- Reviews
- 326
- Age
- 9mo ago
Newest
by launch date
Wide Mouth Canning Jars 27 oz - 2 Pack Sourdough Starter Jars with 4 Lids
- Price
- $17.06
- Rating
- 4.7/5
- Reviews
- 101
- Age
- 3mo ago

Canning Jars 27 oz 2 Pack Sourdough Starter Jars with Glass & Plastic Lids
- Price
- $19.50
- Rating
- 4.9/5
- Reviews
- 136
- Age
- 7mo ago

Snuvid 1 L (34 oz) Sourdough Starter Jar Kit Wide Mouth Potbelly Crock - Glass Sour Dough Starter Bread Jar Set - Sourdough Baking Supplies - Sour Dough Bread Accessories Gifts for Sourdough Lovers
- Price
- $19.30
- Rating
- 4.8/5
- Reviews
- 320
- Age
- 7mo ago

2 Pack Premium Pro Sourdough Starter Jar Kit - 40oz Large Wide Mouth Sourdough Bread Jar with Marked Feeding Band Thermometer Scraper Cloth Cover & Silicone Lid/Base Glass Container Baking Supply
- Price
- $20.40
- Rating
- 4.8/5
- Reviews
- 326
- Age
- 9mo ago

WECK Canning Jars 742 Mold Jars made of Transparent Glass - Eco-Friendly Canning Jar - Storage for Food Yogurt with Keep Fresh Lids - 1/2 Liter Tall Jar Set - (2 Jars Keep Fresh Lids)
- Price
- $23.51
- Rating
- 4.7/5
- Reviews
- 77
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 45% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 rising
Sellers
42
Est. top-5 brand share
75%
Top 20: 99%
Est. top-5 click share
45%
Top 20: 86%
Open market
21%
- WECK55%
- INOBYO8%
- Brod & Taylor5%
- Snuvid4%
- Farielyn-X3%
- KNEADACE3%
Demand
Sourdough Starter Jar search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 2.0×
Search terms
Top Sourdough Starter Jar search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sourdough starter jar1.7M/yr
- weck jars1.5M/yr
- sourdough jar492K/yr
- weck jars for sourdough370K/yr
- weck jar323K/yr
- sour dough starter jars160K/yr
- weck120K/yr
- weck jars with lids99K/yr
- sourdough jars92K/yr
- starter jar86K/yr
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sourdough Starter Jar questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









