Reader Writer
FailBuyers convert on only 1.2% of searches, so Reader Writer is a Fail.
- Flapen Score
- 38 / 100Ranks 5,797 of 8,347 Electronics niches · −5 vs the category median of 4338
- Market size
- $93K/yr70K searches / yr
- 90-day growth
- -14.5%search demand this quarter
- Competition
- 66%top-5 click share · 10 brands · 15 sellers
Flapen Score
Reader Writer against its category
The dotted line is the Electronics average. Past it, Reader Writer is stronger. Inside it, weaker.
Market
The Reader Writer market on Amazon at a glance
Shoppers on Amazon United States searched for Reader Writer 70K times last year and spent an estimated $93K. The top 5 brands take 82% of clicks. Demand peaks in Jan–Feb. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.2% of those searches ended in a purchase.
Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.2% of those searches ended in a purchase. Searches in the last 90 days moved -14.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.
- Searches, last 12 months
- 70K
- Growth, 90 days vs prior 90
- -14.5%
- Conversion, latest week
- 1.2%
- Market size, estimated
- $93Ka year
- Peak month
- February2.4× the quietest month
- Top search term
- credit card skimmer device15K searches a year
02 · Price
A sale here is worth $110.52.
Listings sell for $110.52 on average, from $3.36 to $467.04. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $110.52 that is $0 to $11K a year per listing.
- Average price
- $110.52above the $15 to $100 sweet spot
- Price range
- $3.36–$467.04
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$11K
- Returns
- 3.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 1.7% of listings are out of stock. The average listing ranks #461 within Memory Card Accessories. It carries 317 reviews at 4.21 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 86%
- Out of stock, average day
- 1.7%
- Average rank
- #461in Memory Card Accessories
- Average rating
- 4.21 starsAmazon United States average 4.42 stars
- Average reviews
- 317per listing
- Listings tracked
- 14
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 62 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 62 months
Products
Top Reader Writer 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 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Deftun Card Reader Writer USB Swipe Encoder 3 Tracks MSR605X
- Price
- $102.61
- Rating
- 4.2/5
- Reviews
- 707
- Age
- 7y ago

MSR605X USB Card Reader Writer Mag Swipe 3-Track Compatible w/ MSR206 MSR605 MSR606
- Price
- $100.12
- Rating
- 4.1/5
- Reviews
- 304
- Age
- 5y ago

MSR X6 Bluetooth VIP Card Swiper Reader Writer Encoder Hico 3 Tracks USB and Bluetooth
- Price
- $158.05
- Rating
- 4.3/5
- Reviews
- 202
- Age
- 5y ago

RFID Blocking Cards(4-Pack)Ultra Thin Credit Card Protector for Wallet Shields ID/Credit Card/Passport from SkimmingDurable Theft Cards
- Price
- $3.36
- Rating
- 4.5/5
- Reviews
- 342
- Age
- 1y ago

MSR90 USB Swipe Magnetic Credit Card Reader 3 Tracks Mini Smart Card Reader MSR605 MSR606 Deftun
- Price
- $17.94
- Rating
- 4.2/5
- Reviews
- 1,645
- Age
- 10y ago
Trending
estimated 90-day click momentum
Timeskey NFC 2 RFID Blocking Cards Contactless NFC Bank Debit Credit Card Protector Blocker Anti Theft Blocking Wallet Protector The Original Security Card for Men or Wome
- Price
- $3.90
- Rating
- 4.5/5
- Reviews
- 342
- Age
- 7y ago

RFID Blocking Cards(4-Pack)Ultra Thin Credit Card Protector for Wallet Shields ID/Credit Card/Passport from SkimmingDurable Theft Cards
- Price
- $3.36
- Rating
- 4.5/5
- Reviews
- 342
- Age
- 1y ago

X6 Bluetooth Card Reader Writer USB 3 Tracks Swipe Encoder
- Price
- $130.50
- Rating
- 4.1/5
- Reviews
- 450
- Age
- 19y ago

MSR605X USB Card Reader Writer Mag Swipe 3-Track Compatible w/ MSR206 MSR605 MSR606
- Price
- $100.12
- Rating
- 4.1/5
- Reviews
- 304
- Age
- 5y ago

MSR X6 Bluetooth VIP Card Swiper Reader Writer Encoder Hico 3 Tracks USB and Bluetooth
- Price
- $158.05
- Rating
- 4.3/5
- Reviews
- 202
- Age
- 5y ago
Newest
by launch date
NSKIM M400 Credit Card Skimmer Detection Tool Compatible with VeriFone M400 / M440 Credit Card Terminal
- Price
- $30.31
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 11mo ago

RFID Blocking Cards(4-Pack)Ultra Thin Credit Card Protector for Wallet Shields ID/Credit Card/Passport from SkimmingDurable Theft Cards
- Price
- $3.36
- Rating
- 4.5/5
- Reviews
- 342
- Age
- 1y ago

Symcode Multi-Function Magnetic Card Reader Credit Card Memory Chip Card NFC Chip Magstrip Card PSAM Cards Can be Used with Cashier Register
- Price
- $58.55
- Rating
- 3.4/5
- Reviews
- 21
- Age
- 1y ago

MSR605X USB Swipe Card Reader Writer 3-Track Compatible with MSR206 MSR605 MSR606
- Price
- $102.68
- Rating
- 4.4/5
- Reviews
- 23
- Age
- 3y ago

MSR X6 Bluetooth VIP Card Swiper Reader Writer Encoder Hico 3 Tracks USB and Bluetooth
- Price
- $158.05
- Rating
- 4.3/5
- Reviews
- 202
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
10 flat
Sellers
15
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 100%
Open market
13%
- Deftun40%
- Timeskey NFC15%
- Koolrok11%
- MSR X610%
- Naisian6%
- HZGOTech5%
- Open — no brand owns it (4 brands, 13%)
Demand
Reader Writer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb · busiest ÷ quietest = 2.4×
Search terms
Top Reader Writer search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- credit card skimmer device15K/yr
- msr605x12K/yr
- reader writer13K/yr
- credit card cloner5K/yr
- credit card reader writer6K/yr
- reader writer credit card swiper encoder chip bluetooth2K/yr
- credit card writer4K/yr
- card cloner3K/yr
- msr6053K/yr
- reader writer bluetooth3K/yr
Reviews and returns
What reviews say buyers love and hate about Reader Writer
We read the reviews and the return reasons for every product selling here.
“Didn't work”
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.
18 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 Reader Writer 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









