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S21 Ultra Screen Protector

Maybe

Buyers convert on 12.5% of searches. But demand is soft, at -7.0% this quarter, so S21 Ultra Screen Protector is a Maybe.

Flapen Score
56
56 / 100
Top 11% of 2,221 Cell Phones & Accessories niches · +10 vs the category median of 46
Market size
$338K/yr245K searches / yr
90-day growth
-7.0%search demand this quarter
Competition
63%top-5 click share · 18 brands · 24 sellers

Flapen Score

S21 Ultra Screen Protector against its category

The dotted line is the Cell Phones & Accessories average. Past it, S21 Ultra Screen Protector is stronger. Inside it, weaker.

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The S21 Ultra Screen Protector market on Amazon at a glance

Shoppers on Amazon United States searched for S21 Ultra Screen Protector 245K times last year and spent an estimated $338K. The top 5 brands take 63% of clicks. Demand peaks in Jul–Aug. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

An estimated 12.5% of those searches ended in a purchase.

Shoppers searched for this 245K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved -7.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $338K a year.

Searches, last 12 months
245K
Growth, 90 days vs prior 90
-7.0%
Conversion, latest week
12.5%
Market size, estimated
$338Ka year
Peak month
July1.9× the quietest month
Top search term
s21 ultra screen protector91K searches a year

02 · Price

A sale here is worth $11.02.

Listings sell for $11.02 on average, from $7.12 to $25.92. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,250 to 1,500 of them. At $11.02 that is $14K to $17K a year per listing.

Average price
$11.02under the $15 to $100 sweet spot
Price range
$7.12–$25.92
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
30K–40K
Units per listing a year
1,250–1,500
Revenue per listing a year
$14K–$17K
Returns
2.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 33.7% of listings are out of stock. The average listing ranks #1,221 within Maintenance, Upkeep & Repairs. It carries 8,890 reviews at 3.98 stars, so a new listing needs social proof before a better product.

Sponsored listings
85%
Prime listings
100%
Out of stock, average day
33.7%
Average rank
#1,221in Maintenance, Upkeep & Repairs
Average rating
3.98 starsAmazon United States average 4.42 stars
Average reviews
8,890per listing
Listings tracked
20

04 · Newcomers

1 of last year's 8 launches cleared the first-year sales bar.

8 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 33 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
8
Successful launches
1Amazon's first-year sales bar
Average brand age
33 months

Products

Top S21 Ultra 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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.

$0$34K$68K$101K$135K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 flat

Sellers

24

Est. top-5 brand share

63%

Top 20: 100%

Est. top-5 click share

63%

Top 20: 100%

Open market

32%

  • Samcorn30%
  • LK16%
  • WILLONE7%
  • MAGIC JOHN6%
  • QoeCycth5%
  • Supershieldz5%

Demand

S21 Ultra Screen Protector search demand

Weekly searches over the year, seasonality beneath. Pick a range.

13K8KPrime Day '25DecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 1.9×

Search terms

Top S21 Ultra Screen Protector search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • s21 ultra screen protector91K/yr
  • samsung galaxy s21 ultra screen protector42K/yr
  • galaxy s21 ultra screen protector35K/yr
  • samsung s21 ultra screen protector34K/yr
  • galaxy s21 ultra 5g screen protector10K/yr
  • screen protector s21 ultra9K/yr
  • screen protector samsung s21 ultra7K/yr
  • samsung galaxy s21 ultra 5g screen protector6K/yr
  • screen protector galaxy s21 ultra4K/yr
  • s21 ultra 5g screen protector4K/yr

Reviews and returns

What reviews say buyers love and hate about S21 Ultra Screen Protector

We read the reviews and the return reasons for every product selling here.

18%of positive reviews mention “Assembly/Installation”
16%of negative reviews mention “Quality-Overall”
2.0%of orders come back
“Not thrilled with the quality since it cracked on install”
A buyer, on “Quality-Overall”16% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common S21 Ultra 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