Galaxy A21 Screen Protector
FailPrices span $5.12–$10.20, mostly outside the sweet spot, so Galaxy A21 Screen Protector is a Fail.
- Flapen Score
- 32 / 100Ranks 2,090 of 2,221 Cell Phones & Accessories niches · −14 vs the category median of 4632
- Market size
- $12K/yr7K searches / yr
- 90-day growth
- -29.6%search demand this quarter
- Competition
- 84%top-5 click share · 9 brands · 10 sellers
Flapen Score
Galaxy A21 Screen Protector against its category
The dotted line is the Cell Phones & Accessories average. Past it, Galaxy A21 Screen Protector is stronger. Inside it, weaker.
Market
The Galaxy A21 Screen Protector market on Amazon at a glance
Shoppers on Amazon United States searched for Galaxy A21 Screen Protector 7K times last year and spent an estimated $12K. The top 5 brands take 86% of clicks. Demand peaks in Jul–Aug. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 19.6% of those searches ended in a purchase.
Shoppers searched for this 7K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 19.6% of those searches ended in a purchase. Searches in the last 90 days moved -29.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $12K a year.
- Searches, last 12 months
- 7K
- Growth, 90 days vs prior 90
- -29.6%
- Conversion, latest week
- 19.6%
- Market size, estimated
- $12Ka year
- Peak month
- July2.2× the quietest month
- Top search term
- galaxy a21 screen protector2K searches a year
02 · Price
A sale here is worth $8.40.
Listings sell for $8.40 on average, from $5.12 to $10.20. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $8.40 that is $0 to $840 a year per listing.
- Average price
- $8.40under the $15 to $100 sweet spot
- Price range
- $5.12–$10.20
- 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–$840
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
60% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 31.6% of listings are out of stock. The average listing ranks #4,954 within Maintenance, Upkeep & Repairs. It carries 2,073 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 100%
- Out of stock, average day
- 31.6%
- Average rank
- #4,954in Maintenance, Upkeep & Repairs
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 2,073per listing
- Listings tracked
- 10
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 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Galaxy A21 Screen Protector 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 6, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Supershieldz (2 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free
- Price
- $7.10
- Rating
- 4.6/5
- Reviews
- 6,285
- Age
- 6y ago
![JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41YbMUxxSYL.jpg)
JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21
- Price
- $9.45
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 9mo ago

HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly
- Price
- $5.12
- Rating
- 4.4/5
- Reviews
- 922
- Age
- 5y ago

beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free
- Price
- $7.13
- Rating
- 4.6/5
- Reviews
- 353
- Age
- 6y ago
![VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]](https://m.media-amazon.com/images/I/41OtGQMMCrL.jpg)
VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]
- Price
- $10.20
- Rating
- 4.4/5
- Reviews
- 51
- Age
- 5y ago
Trending
estimated 90-day click momentum![JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41YbMUxxSYL.jpg)
JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21
- Price
- $9.45
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 9mo ago
![VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]](https://m.media-amazon.com/images/I/41OtGQMMCrL.jpg)
VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]
- Price
- $10.20
- Rating
- 4.4/5
- Reviews
- 51
- Age
- 5y ago

HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly
- Price
- $5.12
- Rating
- 4.4/5
- Reviews
- 922
- Age
- 5y ago
![YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41dzP8At+uL.jpg)
YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21
- Price
- $9.03
- Rating
- 4.4/5
- Reviews
- 6,098
- Age
- 5y ago

beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free
- Price
- $7.13
- Rating
- 4.6/5
- Reviews
- 353
- Age
- 6y ago
Newest
by launch date![JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41YbMUxxSYL.jpg)
JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21
- Price
- $9.45
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 9mo ago
![Anvzle for Samsung Galaxy A21 Case with [2 Pack] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor [Military-Grade] Protective with Magnetic Ring Stand Phone Case Black](https://m.media-amazon.com/images/I/41Rw6L5XY+L.jpg)
Anvzle for Samsung Galaxy A21 Case with [2 Pack] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor [Military-Grade] Protective with Magnetic Ring Stand Phone Case Black
- Price
- $8.68
- Rating
- 4.6/5
- Reviews
- 53
- Age
- 1y ago

HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly
- Price
- $5.12
- Rating
- 4.4/5
- Reviews
- 922
- Age
- 5y ago
![YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41dzP8At+uL.jpg)
YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21
- Price
- $9.03
- Rating
- 4.4/5
- Reviews
- 6,098
- Age
- 5y ago
![VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]](https://m.media-amazon.com/images/I/41OtGQMMCrL.jpg)
VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]
- Price
- $10.20
- Rating
- 4.4/5
- Reviews
- 51
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 84% of clicks. A locked shelf that new listings rarely crack.
Brands
9 falling
Sellers
10
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
84%
Top 20: 100%
Open market
9%
- Supershieldz35%
- JxVrennzik15%
- HPTech15%
- beukei11%
- VIESUP10%
- LYWHL5%
- Open — no brand owns it (3 brands, 9%)
Demand
Galaxy A21 Screen Protector search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Aug · busiest ÷ quietest = 2.2×
Search terms
Top Galaxy A21 Screen Protector search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- galaxy a21 screen protector2K/yr
- samsung a21 screen protector2K/yr
- samsung galaxy a21 screen protector2K/yr
- a21 screen protector844/yr
Reviews and returns
What reviews say buyers love and hate about Galaxy A21 Screen Protector
We read the reviews and the return reasons for every product selling here.
“Junk”
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.
14 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 Galaxy A21 Screen Protector 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









