Is workout log book profitable to sell on Amazon United Kingdom?

The niche generates £74K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -19.3%. Flapen's verdict: Skip it (36/100).

How competitive is the workout log book niche?

12 brands and 16 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in workout log book?

Top complaints mined from reviews: Paper Quality, Size-Overall, Quality-Overall. The return rate is 0.4%.

When does demand for workout log book peak?

Demand peaks in Jan–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the workout log book niche?

Listings span £5.21–£13.46; the average listing price is £6.73 (sweet spot $15–$100). The average incumbent carries 2,597 reviews — the moat a new listing must climb.

workout log book

Skip it

Prices mostly outside the sweet spot ($5.21–$13.46) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Good5.3%

search→purchase rate — share of searches ending in a sale

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,596.73

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Bad75%

top-5 click share — a locked-up shelf

Avg price

Bad£6.73

avg listing price — sweet spot $15–$100

Market size

Bad£74K

£74K/yr · 209K searches

Growth

Bad-19.3%

90-day search growth — must beat 0% to launch

Price range

Bad£5.21–£13.46

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, workout log book is a £74K/yr Amazon United Kingdom market (209K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 36/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

workout log book market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: £84K–£101K; units × avg price
Conversion rate: 5.3%
Avg BSR: #38
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 0.0%
Avg brand age: 39 months
Avg seller age: 195 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 flat

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

14%

UniBrands35%
Workout Log Gym22%
Gorilla Fit15%
WDFCN5%
RUKAR4%
FL FITNESS LOGBOOK4%
Open — no brand owns it (6 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -19.3% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top workout log book search terms

gym log book29K/yr -10.2%5.7% conv.
workout log book33K/yr -37.5%5.5% conv.
gym book19K/yr -12.3%5.6% conv.
gym notebook12K/yr -7.1%6.3% conv.
fitness journal16K/yr -16.1%1.0% conv.
gym workout log book9K/yr -17.1%6.1% conv.
workout book8K/yr -12.9%6.5% conv.
gym diary11K/yr -31.0%4.8% conv.
fitness planner10K/yr -51.6%1.6% conv.
workout planner7K/yr -21.1%2.4% conv.

All search terms

Top workout log book 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ultimate Gym Workout Log Book 100 Page - XL A5 Exercise Fitness and Training Planner & Gym Journal - Set Goals & Track Progress - for Men and Women (Black)

UniBrands£6.624.5★2,984 rev

Workout Planner for Daily Fitness Tracking & Goals Setting - A5 Size 6 x 8 Charcoal Grey - Improved Thicker Cover - Men & Women Personal Home & Gym Training Diary - by Workout Log Gym

Workout Log Gym£5.234.5★10,181 rev

Gym Log Book (A5) - Hardback Leather PU Workout Tracker (128 Workouts) - Set Goals & Track Progress - Premium Fitness Planner by Gorilla Fit

Gorilla Fit£13.464.7★189 rev

1 Pack Gym Workout Log Book A6 Tracking Goals Setting Pocket Fitness Diary Mini 120g Stone Paper Waterproof Training Planner Small Sweatproof 100 Page Gym Accessories for Men Women Black

WDFCN£5.424.1★14 rev

Gym Log Book (A5) - Hardcover Workout Journal Fitness Tracker(152 Workouts) Planner for Men & Women Workout Log Book for Tracking Gym & Home Workouts Monitoring Progress

RUKAR£7.664.6★16 rev

Newest

by launch date

1 Pack Gym Workout Log Book A6 Tracking Goals Setting Pocket Fitness Diary Mini 120g Stone Paper Waterproof Training Planner Small Sweatproof 100 Page Gym Accessories for Men Women Black

WDFCN£5.4214 rev

5mo ago

Gym Log Book (A5) - Hardcover Workout Journal Fitness Tracker(152 Workouts) Planner for Men & Women Workout Log Book for Tracking Gym & Home Workouts Monitoring Progress

RUKAR£7.6616 rev

7mo ago

DanRaw Pro A6 Workout Tracker Notebook | 130-Page Fitness Log with 65 Sheets | Compact Gym Planner for Exercise Progress and Goal Tracking

DanRaw Pro£5.3011 rev

12mo ago

KAICN Workout Journal Fitness Planner for Women and Men 5.9 x 8.6 Inches

KAICN£5.2116 rev

1y ago

Gym Log Book A5 Hardcover Workout Log Book Fitness Planner with Stickers

Thboxes£7.0125 rev

2y ago

What buyers say about workout log book

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

What buyers love

Quality-Overall15%

“It's well made”

Ease Of Use13%

“easy to use”

Size-Overall11%

“Good size”

Pockets/Compartments8%

“nice little notebook that fits easy in the pocket”

Advertised Vs Actual Product8%

“As described”

Document Organizing/Classification7%

“The layout is clean and focused, with 100 pages dedicated to tracking goals and daily training”

Value For Money5%

“Worth the money”

Design-Overall4%

“The design is user-friendly”

Writing Experience4%

“Great detail within the book allowing to write literally everything about your gym session”

Durability4%

“durable”

What buyers complain about

Paper Quality23%

“Is a tinyyyyyy bit flimsy the paper has been coming out in my bag”

Size-Overall13%

“a bit large for my liking”

Quality-Overall7%

“Cheap, flimsy, poor”

Strength4%

“flimsy”

Design-Overall3%

“awkward layout make it feel overpriced”

Thickness3%

“thin semi-transparent paper”

Value For Money3%

“also, I suspect, the price”

Dry/Empty Ink2%

“some gel pens might smudge if not given a second to dry”

Smudge Resistance2%

“some gel pens might smudge if not given a second to dry”

Top return reasons

Size-Overall57%

Advertised Vs Actual Product13%

Quality-Overall12%

Paper Quality6%

Ink Leakage3%

Durability3%

Print Quality3%

Writing Experience3%

Common questions

Is workout log book profitable to sell on Amazon United Kingdom?: The niche generates £74K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -19.3%. Flapen's verdict: Skip it (36/100).
How competitive is the workout log book niche?: 12 brands and 16 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in workout log book?: Top complaints mined from reviews: Paper Quality, Size-Overall, Quality-Overall. The return rate is 0.4%.
When does demand for workout log book peak?: Demand peaks in Jan–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the workout log book niche?: Listings span £5.21–£13.46; the average listing price is £6.73 (sweet spot $15–$100). The average incumbent carries 2,597 reviews — the moat a new listing must climb.