dji action 4 case
Worth a lookShows a sweet-spot price point ($20.66 avg), but a small market ($71K/yr) keeps it on the watch list.
Avg price
Great$20.66avg listing price — sweet spot $15–$100
Review moat
Great280.48avg incumbent reviews — the moat a new listing must climb
Brand share
Great51%top-5 brand share — no brand owns this niche
Price range
Great$8.51–$57.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Growth
Good+31.7%90-day search growth — must beat 0% to launch
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Returns
Okay4.8%return rate — above 5% kills the launch gate
Market size
Bad$71K$71K/yr · 116K searches
According to Flapen's Amazon United States niche tracking, dji action 4 case is a $71K/yr Amazon United States market (116K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
dji action 4 case market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $83K–$103K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #493
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 97%
- Out of stock
- 8.3%
- Avg brand age
- 23 months
- Avg seller age
- 194 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
23 rising
Sellers
38
Top-5 brand share
51%
Top 20: 97%
Top-5 click share
50%
Top 20: 86%
Open market
44%
- Tomat15%
- Flymile12%
- Lekufee9%
- SUREWO7%
- DFTIM7%
- CYNOVA5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +31.7% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 1.9×
Top dji action 4 case search terms
- dji action 5 pro case28K/yr
- dji osmo action 5 pro case22K/yr
- dji action 4 case15K/yr
- dji osmo action 4 case12K/yr
- dji action 5 case9K/yr
- action 5 pro case9K/yr
- osmo action 4 case5K/yr
- osmo action 5 pro case7K/yr
- dji osmo action 5 case5K/yr
- dji osmo action case4K/yr
Top dji action 4 case 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
Tomat Action 5 Pro Carrying Case for DJI Osmo Action 5 Pro/Action 4 Camera Accessories Hard Shell Bag Travel Case Compatible with DJI Action 5 Pro/Action 4 Adventure
Tomat$24.664.7★614 rev

Flymile Carrying Case for DJI Osmo Action 5 Pro/6/4/3 Small Storage Bag for GoPro PU Hard Travel Protector Case for Insta360 Ace/Ace Pro/2 with Wrist Strap & Carabiner Protective Accessories(Black)
Flymile$8.714.8★454 rev

Lekufee Portable Waterproof Hard Case for DJI Osmo Action 6/5 Pro/4/3 Action Camera Standard Combo Adventure Combo More Accessories(Case Only)
Lekufee$38.244.7★711 rev

SUREWO Surface-Waterproof DJI Osmo Action 6 Carrying Case Travel Portable Bag Compatible With DJI Osmo Action 6/5 Pro/4/3 Adventure Combo
SUREWO$21.954.2★471 rev

Osmo Action 5 Pro Carrying Storage Case for DJI Osmo Action 5 Pro/4/3 kit
DFTIM$19.194.7★42 rev
Newest
by launch date
SMALLRIG Action Camera Bag for DJI Osmo Action 6/5 Pro Camera Case can hold 4 TF cards 2 Batteries 1 Action Camera with Cage and 1 Adapter for GoPro Hero 13/12/11/10 for Insta360 Ace Pro 2-5917
SMALLRIG$18.2247 rev

Portable Waterproof Hard Case for DJI Osmo Action 5 Pro/ 4/ 3 Action Camera Accessories Fits Standard/ Adventure/ Diving Combo Compatible with Battery Case 2/ FOV Boost Lens (Case and Foam Only)
INCHOICASES$37.3132 rev

Suptig Waterproof Case Dive Case Compatible for DJI Action 5 pro/Action 5/4/3 for Diving Scuba Snorkeling Swimming Waterproof Up to 164ft(50 Meters)
Suptig$18.9437 rev

Linpr Action Camera Case Compatible with DJI Osmo Action 3/4/5 Pro/6 Insta360 Ace/Ace Pro 2 Go Pro Hero 13/12/11/10/9 Black Small Hard Travel Protective Carrying Case with Carabiner (Pink)
Linpr$8.5117 rev

NEEWER Hard Case Compatible with DJI Osmo Action 5 Pro / 4/3 Camera IP67 Waterproof Dustproof Shockproof Portable Travel Storage Case with Custom Foam Inserts & 12 Slots for Accessories AC031
NEEWER$20.20374 rev
Trending
90-day click momentum
SMALLRIG Action Camera Bag for DJI Osmo Action 6/5 Pro Camera Case can hold 4 TF cards 2 Batteries 1 Action Camera with Cage and 1 Adapter for GoPro Hero 13/12/11/10 for Insta360 Ace Pro 2-5917
SMALLRIG$18.224.6★

Portable Waterproof Hard Case for DJI Osmo Action 5 Pro/ 4/ 3 Action Camera Accessories Fits Standard/ Adventure/ Diving Combo Compatible with Battery Case 2/ FOV Boost Lens (Case and Foam Only)
INCHOICASES$37.314.7★

Osmo Action 5 Pro Carrying Storage Case for DJI Osmo Action 5 Pro/4/3 kit
DFTIM$19.194.7★

BO&DQQ Underwater Waterproof Case Compatible with DJI Osmo Action 5 Pro/Action 4/Action 3 164FT/50M Dive Diving Housing Cover Shell with Camera Handle Mount Accessories Kit
BO&DQQ$23.594.2★

Linpr Action Camera Case Compatible with DJI Osmo Action 3/4/5 Pro/6 Insta360 Ace/Ace Pro 2 Go Pro Hero 13/12/11/10/9 Black Small Hard Travel Protective Carrying Case with Carabiner (Pink)
Linpr$8.514.6★
What buyers say about dji action 4 case
What buyers praise and complain about, mined from review topics.What buyers love
“It's a snug fit”
“Really like the quality of this feels like a great quality case”
“Good protection”
“Seems sturdy”
“worth it”
“the waterproofing appears adequate —”
“It is very durable material”
“Its pretty easy to use”
“Worked as advertised”
“It is very durable material”
What buyers complain about
“a little too small”
“the screw hole broke within the first use”
“it can potentially damage the lens”
“Initially, I didn't quite like the shiny exterior plastic(?) material”
“Not new, box opened and parts missing”
“Doesnt fit waterproof case as advertised on photos”
“Doesn't fit an action 6”
“They should not advertise it as such”
“doesn't offer much beyond the cold shoe mounts”
“This is maybe worse five bucks”
Top return reasons
Common questions
- Is dji action 4 case profitable to sell on Amazon United States?
- The niche generates $71K/yr across 33 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +31.7%. Flapen's verdict: Worth a look (51/100).
- How competitive is the dji action 4 case niche?
- 23 brands and 38 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 51% of demand.
- What do buyers complain about in dji action 4 case?
- Top complaints mined from reviews: Size-Overall, Durability, Lenses. The return rate is 4.8%.
- When does demand for dji action 4 case peak?
- Demand peaks in Jun–Jul; the busiest month runs 1.9× the quietest.
- What does it cost to enter the dji action 4 case niche?
- Listings span $8.51–$57.53; the average listing price is $20.66 (sweet spot $15–$100). The average incumbent carries 280 reviews — the moat a new listing must climb.