Auto Injector
FailThe top 5 products take 97% of clicks, so Auto Injector is a Fail.
- Flapen Score
- 41 / 100Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 4941
- Market size
- $197K/yr256K searches / yr
- 90-day growth
- -9.6%search demand this quarter
- Competition
- 97%top-5 click share · 4 brands · 75 sellers
Flapen Score
Auto Injector against its category
The dotted line is the Health & Household average. Past it, Auto Injector is stronger. Inside it, weaker.
Market
The Auto Injector market on Amazon at a glance
Shoppers on Amazon United States searched for Auto Injector 256K times last year and spent an estimated $197K. The top 5 brands take 82% of clicks. Demand peaks in Jan–Feb–Mar–Apr. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 1.7% of those searches ended in a purchase.
Shoppers searched for this 256K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.7% of those searches ended in a purchase. Searches in the last 90 days moved -9.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $197K a year.
- Searches, last 12 months
- 256K
- Growth, 90 days vs prior 90
- -9.6%
- Conversion, latest week
- 1.7%
- Market size, estimated
- $197Ka year
- Peak month
- April2.3× the quietest month
- Top search term
- auto injector for ivf23K searches a year
02 · Price
A sale here is worth $45.03.
Listings sell for $45.03 on average, from $37.86 to $51.00. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 750 to 1,000 of them. At $45.03 that is $34K to $45K a year per listing.
- Average price
- $45.03inside the $15 to $100 sweet spot
- Price range
- $37.86–$51.00
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $34K–$45K
- Returns
- 5.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
33% of listings pay for placement with sponsored ads. 83% ship with Prime. On an average day, 15.4% of listings are out of stock. The average listing ranks #277 within Diabetes Care. It carries 352 reviews at 3.88 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 33%
- Prime listings
- 83%
- Out of stock, average day
- 15.4%
- Average rank
- #277in Diabetes Care
- Average rating
- 3.88 starsAmazon United States average 4.42 stars
- Average reviews
- 352per listing
- Listings tracked
- 6
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 47 months
Products
Top Auto Injector products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
- Price
- $50.04
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 9y ago

OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
- Price
- $47.49
- Rating
- 4.1/5
- Reviews
- 212
- Age
- 7y ago

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
- Price
- $37.86
- Rating
- 4.0/5
- Reviews
- 830
- Age
- 19y ago

AJ1300 Fixed Needle Injection Aid Device OWEN MUMFORD 1EA
- Price
- $51.00
- Rating
- 4.3/5
- Reviews
- 623
- Age
- 13y ago

60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
- Price
- $39.75
- Rating
- 3.5/5
- Reviews
- 28
- Age
- 7mo ago
Trending
estimated 90-day click momentum
Reusable Pen Compatible with 3ml Pen Cartridge
- Price
- $44.06
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 2w ago

60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
- Price
- $39.75
- Rating
- 3.5/5
- Reviews
- 28
- Age
- 7mo ago

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
- Price
- $37.86
- Rating
- 4.0/5
- Reviews
- 830
- Age
- 19y ago

OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
- Price
- $47.49
- Rating
- 4.1/5
- Reviews
- 212
- Age
- 7y ago

Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
- Price
- $50.04
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 9y ago
Newest
by launch date
Reusable Pen Compatible with 3ml Pen Cartridge
- Price
- $44.06
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 2w ago

60 Unit Reusable Pen Injector Include 2pcs 3mL Cartridges and Protect Case
- Price
- $39.75
- Rating
- 3.5/5
- Reviews
- 28
- Age
- 7mo ago

OWEN MUMFORD INC. OWNAJ1300 Autoject 2 Self-injection Aid Device Personal Healthcare / Health Care
- Price
- $47.49
- Rating
- 4.1/5
- Reviews
- 212
- Age
- 7y ago

Autoject 2 Fixed Needle Device 1 Each (Pack of 1)
- Price
- $50.04
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 9y ago

AJ1300 Fixed Needle Injection Aid Device OWEN MUMFORD 1EA
- Price
- $51.00
- Rating
- 4.3/5
- Reviews
- 623
- Age
- 13y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 97% of clicks. A locked shelf that new listings rarely crack.
Brands
4 flat
Sellers
75
Est. top-5 brand share
82%
Top 20: 82%
Est. top-5 click share
97%
Top 20: 100%
Open market
0%
- Owen Mumford59%
- --18%
- Inject-Ease17%
- EvoLabTech3%
- Leigeobei3%
- Open — no brand owns it (0%)
Demand
Auto Injector search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 2.3×
Search terms
Top Auto Injector search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- auto injector for ivf23K/yr
- autoinjector28K/yr
- auto injector36K/yr
- auto injector for intramuscular injections12K/yr
- auto injector syringe41K/yr
- inject ease automatic injector9K/yr
- autoject 219K/yr
- trimix auto injector14K/yr
- autoinjector syringe intramuscular5K/yr
- autoject 2 self injection device11K/yr
Reviews and returns
What reviews say buyers love and hate about Auto Injector
We read the reviews and the return reasons for every product selling here.
“Stopped working after a few uses”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Auto Injector questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









