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happy planner extension pack

Worth a look60/100

happy planner extension pack shows demand growing +494.5%, but a small market ($335K/yr) keeps it on the watch list.

Market/yr

$335K

Growth (1y)

+494.5%

Products

41

Brands

6

was 35 a year ago

Sellers

15

Price range

$6.65–$40.88

Returns

1.7%

Rating

4.7★

60/100

Worth a look

Scored 60/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
17
×0.30
Growth
100
×0.30
Competition
71
×0.20
Quality gap
20
×0.10
Returns
86
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +494.5% year over year.
145K72KPrime Day '24Holiday '24Spike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 3.7×

Competition

85%The Happy Planner
  • The Happy Planner85%
  • Yaridar8%
  • newestor5%
  • montcool1%
  • NOTBOKPA1%
  • MEI YI TIAN1%
  • Other0%

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them. 6 brands and 15 sellers compete here.

Brands

6 falling

was 35 a year ago

Sellers

15

Top 5 brand share

99%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 41 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Document Organizing/Classification30%

“Gorgeous and Organized Very Well”

Design-Overall11%

“such a great design”

Paper Quality7%

“The quality of the paper is satisfactory”

Quality-Overall6%

“Great Customizable Quality”

Size-Overall6%

“The big size is great to work with”

Color5%

“Beautiful colors”

Advertised Vs Actual Product5%

“As advertised”

Ease Of Use4%

“Easy to use”

Value For Money4%

“Worth It”

Durability2%

“It's durable”

What buyers complain about

Size-Overall16%

“looks like theyre arent making that size anymore”

Advertised Vs Actual Product13%

“Its not what I thought it would be”

Paper Quality9%

“Cheap paper”

Print Quality4%

“Only negative is there isn't a lot of prints to choose from”

Value For Money4%

“A little pricey”

Thickness3%

“The paper is thick”

Color2%

“Colors are deceiving”

Durability2%

“is not as durable as the original”

Ease Of Use1%

“it's not easy to flip through this”

Paper Brightness1%

“much too dark for easy reading of notes”

Top return reasons

  • Size-Overall63%
  • Advertised Vs Actual Product7%
  • Paper Quality5%
  • Value For Money4%
  • Design-Overall4%
  • Functionality-Overall2%
  • Paper Compatibility2%
  • Weight Heavy2%
  • Defective Material/Parts2%
  • Shape/Style1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.72 median price · 2.2% median returns across 14,813 tracked niches.