---
title: "Bullet Journal Ruler — $197K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/office-products/bullet-journal-ruler"
last_updated: "2026-08-09T04:28:44.818Z"
locale: en
meta:
description: "Niche score 40/100 · $197K/yr market · 437K searches/yr · $11.41 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $197K/yr market · 437K searches/yr · $11.41 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bullet Journal Ruler — $197K/yr Amazon US Niche (2026) - Flapen"
---
# **bullet journal ruler**
**Skip it**
Soft demand (-56.8% this quarter) — this niche doesn't clear our bar today.
Market size 39Growth 0Conversion 49Competition 78Returns 61Price range 14Avg price 45Brand share 12Review moat 94Quality gap 30
**Review moat**
**Great****125.33**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****37%**
top-5 click share — an open shelf
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****4.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****$11.41**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$197K**
$197K/yr · 437K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Price range**
**Bad****$6.61–$16.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-56.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, bullet journal ruler is a $197K/yr Amazon United States market (437K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jan–Sep–Oct–Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bullet journal ruler market data**
- **Units sold / yr**
- **13K–15K**
- avg 100–250/product
- **Revenue / yr**
- **$143K–$171K**
- units × avg price
- **Conversion rate**
- **4.0%**
- **Avg BSR**
- **#1,039**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **35%**
- **Out of stock**
- **12.2%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.
**Brands**
**10 **▲rising
**Sellers**
**59**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**37%**
Top 20: 75%
**Open market**
**4%**
- ほぼ日81% - M Miss.Misy6% - Thenshop4% - Shitajiki Pencil Board2% - CRASPIRE1% - Maitys1% - Open — no brand owns it (4 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 79 weeks — -56.8% search growth over the last 90 days.
40K30KSpike '25Prime Day '25Holiday '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Sep, Oct, Nov, Dec · busiest ÷ quietest = 9.4×
[**Open Trend **](https://flapen.com/research/us/office-products/bullet-journal-ruler/trend)
## **Top bullet journal ruler search terms**
- **pencil board**62K/yr-40.8%1.2% conv. - **a5 pencil board**31K/yr-32.9%2.9% conv. - **hobonichi pencil board**55K/yr-60.1%2.8% conv. - **hobonichi weeks pencil board**76K/yr-73.1%3.5% conv. - **a6 pencil board**22K/yr-41.7%4.4% conv. - **pencil board a5**19K/yr-35.1%3.1% conv. - **hobonichi cousin accessories**17K/yr-62.8%1.1% conv. - **hobonichi pencil board a5**12K/yr-42.0%5.5% conv. - **hobonichi techo accessories**12K/yr-45.2%0.9% conv. - **hobonichi a6 pencil board**14K/yr-61.7%7.3% conv. [**All search terms **](https://flapen.com/research/us/office-products/bullet-journal-ruler/search-terms)
## **Top bullet journal ruler 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.
0%4%$8K8%$16K12%$24K16%$31K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hobonichi Pencil Boards Ice Gray x Yellow**ほぼ日**$10.14**4.6★96 rev](https://www.amazon.com/dp/B0D7PVDRXP) [2**Hobonichi Techo Accessories Moomin: Hobonichi Pencil Board for A5 Size (Jungle Game)**ほぼ日**$12.92**5.0★56 rev](https://www.amazon.com/dp/B0FJ2PJCP6) [3**Hobonichi Techo Accessories Hobonichi Pencil Board - Weeks (Navy x Pink)**ほぼ日**$14.59**4.7★350 rev](https://www.amazon.com/dp/B0B6TRC4QZ) [4**Hobonichi Techo Accessories Moomin: Hobonichi Pencil Board for Weeks (Grand Ball)**ほぼ日**$10.74**4.8★93 rev](https://www.amazon.com/dp/B0FJ2PC2KG) [5**Hobonichi Techo Accessories Yumi Kitagishi: Hobonichi Pencil Board for A5 Size (In the Garden)**ほぼ日**$14.41**4.7★171 rev](https://www.amazon.com/dp/B0D9PNZ6ZJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**M Miss.Misy Pencil Board Planner Writing Accessory for journaling Camellia-White of A6 Size**M Miss.Misy**$9.99**18 rev5mo ago](https://www.amazon.com/dp/B0GHCP8FYM) [**M Miss.Misy Pencil Board Planner Writing Accessory for journaling (AppleBird A5)**M Miss.Misy**$10.12**18 rev5mo ago](https://www.amazon.com/dp/B0GHCSGYFD) [**Hobonichi Techo Accessories iyo okumi: Hobonichi Pencil Board for Weeks (Happy Tea Time - Group Party)**ほぼ日**$10.28**47 rev10mo ago](https://www.amazon.com/dp/B0FJ2NRJ4W) [**Hobonichi Techo Accessories iyo okumi: Hobonichi Pencil Board for A5 Size (Happy Tea Time - Taste Good)**ほぼ日**$13.39**24 rev10mo ago](https://www.amazon.com/dp/B0FJ2Q1W6Q) [**Thenshop 5 Pack A5 Yellow Pencil Board Reusable Notebook Accessory Flexibility Layout Grids Board with Ruler Scale**Thenshop**$10.35**83 rev11mo ago](https://www.amazon.com/dp/B0FKH6HT8B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**M Miss.Misy Pencil Board Planner Writing Accessory for journaling (AppleBird A5)**M Miss.Misy**$10.12**4.6★**▲ 542%**](https://www.amazon.com/dp/B0GHCSGYFD) [**M Miss.Misy Pencil Board Planner Writing Accessory for journaling Camellia-White of A6 Size**M Miss.Misy**$9.99**4.6★**▲ 491%**](https://www.amazon.com/dp/B0GHCP8FYM) [**Hobonichi Techo Accessories Hiroko Kubota: Hobonichi Pencil Board for A6 Size (Aurora Duty)**ほぼ日**$14.02**4.6★**▲ 102%**](https://www.amazon.com/dp/B0CCPQCNHD) [**Hobonichi Pencil Boards Ice Gray x Yellow**ほぼ日**$10.14**4.6★**▲ 77%**](https://www.amazon.com/dp/B0D7PVDRXP) [**Hobonichi Techo Accessories Hobonichi Pencil Board for A6 Size (Ice Gray x Yellow)**ほぼ日**$7.47**4.8★**▲ 76%**](https://www.amazon.com/dp/B0D9PRBZRF)
**~~View all trending →~~**
## **What buyers say about bullet journal ruler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“It is beautifully made”*
**Design-Overall**11%
*“The design is incredibly thoughtful”*
**Advertised Vs Actual Product**9%
*“Exactly as advertised”*
**Size-Overall**8%
*“The size is perfect”*
**Document Organizing/Classification**7%
*“Being organized”*
**Strength**5%
*“holds up nicely”*
**Color**5%
*“I love the colors”*
**Ease Of Use**5%
*“So easy to use”*
**Writing Experience**3%
*“Works perfectly as a bookmark or to keep your writing from going through to the next page”*
**Pen/Pencil Quality**3%
*“Cute bookmark and pencil board”*
### **What buyers complain about **
**Value For Money**21%
*“I do think it is a tad expensive for what it is though”*
**Thickness**12%
*“Needs to be thicker”*
**Quality-Overall**7%
*“Cheap”*
**Stretchability/Expandability/Elasticity**5%
*“It is a super thin elastic with zero elasticity”*
**Paper Quality**5%
*“I was tired of using ugly cardboard”*
**Strength**5%
*“It did come slightly bent because it is a flimsy/thinner material which was disappointing”*
**Size-Overall**4%
*“Too short”*
**Advertised Vs Actual Product**4%
*“Wrong product description”*
**Grip**4%
*“Too slippery”*
**Measurement/Reading Accuracy**2%
*“However, I realized today that the grid, which I assumed was metric, isnt exact”*
### **Top return reasons **
**Size-Overall**45%
**Value For Money**8%
**Color**5%
**Thin**4%
**Advertised Vs Actual Product**4%
**Strength**4%
**Quality-Overall**3%
**Material Quality**3%
**Functionality-Overall**3%
**Defective Material/Parts**2%
## **Common questions**
- **Is bullet journal ruler profitable to sell on Amazon United States?**
- The niche generates $197K/yr across 43 tracked products. 2 of 15 products launched in the last 360 days are still selling. 90-day search growth is -56.8%. Flapen's verdict: Skip it (40/100).
- **How competitive is the bullet journal ruler niche?**
- 10 brands and 59 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in bullet journal ruler?**
- Top complaints mined from reviews: Value For Money, Thickness, Quality-Overall. The return rate is 2.6%.
- **When does demand for bullet journal ruler peak?**
- Demand peaks in Jan–Sep–Oct–Nov–Dec; the busiest month runs 9.4× the quietest.
- **What does it cost to enter the bullet journal ruler niche?**
- Listings span $6.61–$16.38; the average listing price is $11.41 (sweet spot $15–$100). The average incumbent carries 125 reviews — the moat a new listing must climb.
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