planner stamps
Skip itA small market ($27K/yr) — this niche doesn't clear our bar today.
Review moat
Great195avg incumbent reviews — the moat a new listing must climb
Avg price
Great$16.54avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Returns
Great2.0%return rate — above 5% kills the launch gate
Price range
Good$5.66–$38.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Growth
Bad-15.6%90-day search growth — must beat 0% to launch
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Market size
Bad$27K$27K/yr · 138K searches
According to Flapen's Amazon United States niche tracking, planner stamps is a $27K/yr Amazon United States market (138K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 46/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
planner stamps market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $41K–$50K
- units × avg price
- Conversion rate
- 1.2%
- Avg BSR
- #708
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 0.8%
- Avg brand age
- 48 months
- Avg seller age
- 164 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
23 falling
Sellers
125
Top-5 brand share
78%
Top 20: 98%
Top-5 click share
37%
Top 20: 73%
Open market
18%
- Midori48%
- Shachihata18%
- Artline4%
- Stamps by Impression4%
- ORIGACH4%
- Tosnail3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.6% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 3.4×
Top planner stamps search terms
- midori stamp40K/yr
- calendar stamp31K/yr
- shachihata23K/yr
- month stamp9K/yr
- midori stamps7K/yr
- calendar stamps8K/yr
- calendar stamps for planners8K/yr
- month stamps5K/yr
- shachihata stamp4K/yr
- shachihata calendar stamp4K/yr
Top planner stamps products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Shachihata GRJ-5ACE Rubber Stamp Consolidated Numbers Stamp Perpetual Calendar English
Shachihata$23.794.6★391 rev
DESIGNPHIL 35399006 Midori Stamp Penetrating Stamp Calendar Pattern
Midori$10.554.7★598 rev
DESIGNPHIL 35452006 Midori Stamp Rotating Stamp Date Cat Pattern
Midori$23.494.5★192 rev
DESIGNPHIL 35392006 Midori Stamp Infiltration Hubbit Trucker Pattern
Midori$11.444.6★490 rev
Calendar Stamp Shachihata GRJ-5ACE Connected Numbers Perpetual Calendar English
Artline$38.104.9★34 rev
Newest
by launch date
Midori 35580006 Rotating Stamp Dial Antique Pattern
Midori$25.2350 rev
Tosnail 18 Pieces Wood Journal Stamps Decorative Rubber Stamp Set Calendar Planner Stamps Scrapbook Stencils for to Do List Tasks Diary Planner Letters Scrapbook Cards Crafts
Tosnail$17.1347 rev
Calendar Stamp Shachihata GRJ-5ACE Connected Numbers Perpetual Calendar English
Artline$38.1034 rev
DESIGNPHIL 35511006 Midori Stamp Penetrating Stamp Half Time Record Pattern
Midori$9.61154 rev
DESIGNPHIL 35512006 Midori Stamp Penetrating Stamp Half Vertical Pattern
Midori$9.40154 rev
Trending
90-day click momentumMidori 35580006 Rotating Stamp Dial Antique Pattern
Midori$25.234.1★
Stamps by Impression Journal Habit Tracker Calendar Rubber Stamp 2.25 x 2.75 5 Row ST 1299
Stamps by Impression$12.574.6★
DESIGNPHIL 35511006 Midori Stamp Penetrating Stamp Half Time Record Pattern
Midori$9.614.7★
DESIGNPHIL 35512006 Midori Stamp Penetrating Stamp Half Vertical Pattern
Midori$9.404.7★
Midori Stamp Money (35394006)
Midori$12.984.2★
What buyers say about planner stamps
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“they are a great size”
“Great Quality Ink Stamps for Wedding Invitations”
“Exactly as advertised”
“the designs are cute”
“I gave it as a gift”
“I had instructions in English and Japanese and found them really easy to follow”
“Incredibly cute and portable”
“Fun to play with”
“It doesn't feel like it's going to fall apart at all”
What buyers complain about
“Too small”
“it doesn't stamp consistently enough for me to love it”
“feels like it might not last that long”
“not great category for me”
“There are a few empty spaces which make it a little difficult to assemble/disassemble”
“which makes double-sided use difficult”
“it never stamps correctly”
“The wood quality could be better”
“Arguably a little pricey”
Top return reasons
Common questions
- Is planner stamps profitable to sell on Amazon United States?
- The niche generates $27K/yr across 50 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -15.6%. Flapen's verdict: Skip it (46/100).
- How competitive is the planner stamps niche?
- 23 brands and 125 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in planner stamps?
- Top complaints mined from reviews: Size-Overall, Print Quality, Durability. The return rate is 2.0%.
- When does demand for planner stamps peak?
- Demand peaks in Jan–Dec; the busiest month runs 3.4× the quietest.
- What does it cost to enter the planner stamps niche?
- Listings span $5.66–$38.10; the average listing price is $16.54 (sweet spot $15–$100). The average incumbent carries 195 reviews — the moat a new listing must climb.