card reader for iphone
Worth a lookShows sweet-spot pricing room ($5.26–$47.42), but a small market ($88K/yr) keeps it on the watch list.
Price range
Great$5.26–$47.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.0%search→purchase rate — share of searches ending in a sale
Returns
Good2.4%return rate — above 5% kills the launch gate
Brand share
Good68%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+16.9%90-day search growth — must beat 0% to launch
Avg price
Okay$11.40avg listing price — sweet spot $15–$100
Review moat
Bad8,137.05avg incumbent reviews — the moat a new listing must climb
Market size
Bad$88K$88K/yr · 111K searches
According to Flapen's Amazon United States niche tracking, card reader for iphone is a $88K/yr Amazon United States market (111K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jul–Sep. Verdict: Worth a look — 51/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
card reader for iphone market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $68K–$91K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #77
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.9%
- Avg brand age
- 25 months
- Avg seller age
- 193 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
37
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
51%
Top 20: 97%
Open market
27%
- SZHAIYIJIN25%
- Square20%
- SUNTRSI9%
- YOFEEPOP8%
- LBSC6%
- Denlane5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +16.9% search growth over the last 90 days.Peak months: Jul, Sep · busiest ÷ quietest = 2.5×
Top card reader for iphone search terms
- card reader for iphone99K/yr
- card readers for iphone3K/yr
- phone card reader5K/yr
- card reader for phone4K/yr
Top card reader for iphone 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SZHAIYIJIN SD Card Reader for iPhone Memory Card Reader with USB Camera Adapter Plug and Play Trail Game Camera Viewer Supports SD and TF Card MicroSD Card Adapter for iPad No App Required
SZHAIYIJIN$9.254.4★13,565 rev

USB-C SD Card Reader Dual Slot for SD and MicroSD Type C Adapter Compatible with iPhone 17/16/15 iPad Laptop Trail Camera Viewer Plug and Play (2 Port (USBC SD+TF))
YOFEEPOP$10.034.4★205 rev

SD Card Reader for iPhone iPad Camera with USB C Dual Card Slot USB 3.0 Memory Card Reader Supports SD/TF Card Trail Camera Viewer SD Card Adapter Portable Micro SD Card Reader No App Plug and Play
SUNTRSI$8.904.4★22,156 rev

Square Reader for magstripe (with Lightning connector)
Square$9.564.6★39,217 rev

Square Reader for contactless and chip (2nd Generation)
Square$47.424.5★4,537 rev
Newest
by launch date
SD Card Reader for iPhone 15/16/17 Series Dual Slot USB 3.0 Memory Card Reader Portable USB C to SD Micro SD/TF Card Adapter for iPad Pro MacBook Android Camera Laptop Plug and Play
MDZBG$10.0630 rev

SD Card Reader USB C for iPhone iPad SD Card Adapter for Digital Camera Dual Interface Memory Card Reader No App Required
DKQRCSL$10.2026 rev

SD Card Reader for iPhone 15/16/17 Sd Card Reader USB C Micro Sd Card Reader for ipad USB C Sd Card Reader for ipad Plug and Play No App Required Adapter for Digital Camera to Phone
SXRBSSM$5.2682 rev

iPhone SD Card Reader USB C Digital Camera Adapter iPhone 17 Trail Camera SD Card Reader USB C Memory Card Reader for iPhone 17/16/15/iPad/MacBook/iMac/Galaxy/Android
MTIQHS$9.84892 rev

USB-C SD Card Reader Dual Slot for SD and MicroSD Type C Adapter Compatible with iPhone 17/16/15 iPad Laptop Trail Camera Viewer Plug and Play (2 Port (USBC SD+TF))
YOFEEPOP$10.03205 rev
Trending
90-day click momentum
SD Card Reader USB C for iPhone iPad SD Card Adapter for Digital Camera Dual Interface Memory Card Reader No App Required
DKQRCSL$10.204.8★

SD Card Reader for iPhone 15/16/17 Series Dual Slot USB 3.0 Memory Card Reader Portable USB C to SD Micro SD/TF Card Adapter for iPad Pro MacBook Android Camera Laptop Plug and Play
MDZBG$10.063.6★

USB C SD Card Reader Type C SD Card Reader Supports SD and MicroSD Memory Card Adapters for iPhone 15 16/iPad/MacBook/Mac Trail Camera Viewer Plug and Play -2 Slots
LBSC$5.334.4★

SD Card Reader for iPhone 15/16/17 Sd Card Reader USB C Micro Sd Card Reader for ipad USB C Sd Card Reader for ipad Plug and Play No App Required Adapter for Digital Camera to Phone
SXRBSSM$5.264.4★

acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android
Acer$10.214.7★
What buyers say about card reader for iphone
What buyers praise and complain about, mined from review topics.What buyers love
“easy to carry around”
“they served the purpose”
“build quality appears excellent”
“fast transfer speeds”
“Compatible with iPhone”
“Great buy for the money”
“instant connection”
“easy to carry”
“Works as advertised”
“perfect size for travel”
What buyers complain about
“Never worked”
“Broke after a month”
“Not compatible”
“Doesnt connect”
“Build quality is a *little* cheap”
“False advertisement”
“Instructions are absolutely horrible”
“Does not fit”
“not worth 10$”
“no app installs, no drivers, no permissions dance”
Top return reasons
Common questions
- Is card reader for iphone profitable to sell on Amazon United States?
- The niche generates $88K/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +16.9%. Flapen's verdict: Worth a look (51/100).
- How competitive is the card reader for iphone niche?
- 17 brands and 37 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in card reader for iphone?
- Top complaints mined from reviews: Functionality-Overall, Durability, Compatibility-Overall. The return rate is 2.4%.
- When does demand for card reader for iphone peak?
- Demand peaks in Jul–Sep; the busiest month runs 2.5× the quietest.
- What does it cost to enter the card reader for iphone niche?
- Listings span $5.26–$47.42; the average listing price is $11.40 (sweet spot $15–$100). The average incumbent carries 8,137 reviews — the moat a new listing must climb.