auto injector
Skip itA concentrated shelf (top 5 take 97% of clicks) — this niche doesn't clear our bar today.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Incredible$45.03avg listing price — sweet spot $15–$100
Price range
Incredible$37.86–$51.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great352avg incumbent reviews — the moat a new listing must climb
Market size
Okay$197K$197K/yr · 256K searches
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Returns
Okay5.6%return rate — above 6% kills the launch gate
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Competition
Bad97%top-5 click share — a locked-up shelf
Competition
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
75
Top-5 brand share
82%
Open market
0%
- Owen Mumford59%
- --18%
- Inject-Ease17%
- EvoLabTech3%
- Leigeobei3%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
Owen Mumford$50.044.4★414 rev
OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
--$47.494.1★212 rev
Ambimedinc Inject-Ease Automatic Syringe Injector for Subcutaneous Injections or Needle Depths of 1/2 or Less Using a 1ml 1/2ml or 1/3ml Insulin Syringe with a Fixed-Tip Needle
Inject-Ease$37.864.0★830 rev
AJ1300 Fixed Needle Injection Aid Device OWEN MUMFORD 1EA
Owen Mumford$51.004.3★623 rev
60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
EvoLabTech$39.753.5★28 rev
Newest
by launch date
Reusable Pen Compatible with 3ml Pen Cartridge
Leigeobei$44.065 rev
60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
EvoLabTech$39.7528 rev
OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
--$47.49212 rev
Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
Owen Mumford$50.04414 rev
AJ1300 Fixed Needle Injection Aid Device OWEN MUMFORD 1EA
Owen Mumford$51.00623 rev
Trending
90-day click momentumReusable Pen Compatible with 3ml Pen Cartridge
Leigeobei$44.063.0★
60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
EvoLabTech$39.753.5★
Ambimedinc Inject-Ease Automatic Syringe Injector for Subcutaneous Injections or Needle Depths of 1/2 or Less Using a 1ml 1/2ml or 1/3ml Insulin Syringe with a Fixed-Tip Needle
Inject-Ease$37.864.0★
OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
--$47.494.1★
Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
Owen Mumford$50.044.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to Use”
“Does the job quite nicely”
“Excellent product”
“We were able to set this up pretty easily”
“I can confidently do my injections myself now without stress or second-guessing”
“Worth the money”
“Theres pretty detailed instructions included”
“easy to transport”
“they fit great”
“The case is sturdy”
What buyers complain about
“Stopped working after a few uses”
“Cheap product”
“Expensive for what it does”
“Very confusing on how to operate it correctly”
“Hard to figure out how to use”
“Did not work”
“everything was plastic”
“Great injector needs to be compressed against you to work”
“It was too complicated to set up”
“injecting my meds stresses me out”