---
title: "Samsung Galaxy S21 Wallet Case — $32K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/samsung-galaxy-s21-wallet-case"
last_updated: "2026-08-09T13:17:09.158Z"
locale: en
meta:
description: "Niche score 47/100 · $32K/yr market · 118K searches/yr · $14.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $32K/yr market · 118K searches/yr · $14.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Samsung Galaxy S21 Wallet Case — $32K/yr Amazon US Niche (2026) - Flapen"
---
# **samsung galaxy s21 wallet case**
**Skip it**
A small market ($32K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 17Conversion 23Competition 92Returns 9Price range 60Avg price 74Brand share 96Review moat 50Quality gap 70
**Brand share**
**Incredible****35%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****23%**
top-5 click share — an open shelf
**Avg price**
**Good****$14.82**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$7.12–$26.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,516.16**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-15.2%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****9.4%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$32K**
$32K/yr · 118K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, samsung galaxy s21 wallet case is a $32K/yr Amazon United States market (118K searches/yr). The top 5 brands hold 35% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 47/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **samsung galaxy s21 wallet case market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$22K–$30K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#2,841**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.
**Brands**
**44 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**35%**
Top 20: 81%
**Top-5 click share**
**23%**
Top 20: 59%
**Open market**
**60%**
- iCoverCase9% - Nvollnoe7% - ONETOP7% - Asuwish6% - Vofolen5% - Shieldtop5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -15.2% search growth over the last 90 days.
6K4KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/samsung-galaxy-s21-wallet-case/trend)
## **Top samsung galaxy s21 wallet case search terms**
- **s21 phone case wallet**16K/yr-33.5%1.1% conv. - **samsung galaxy s21 wallet case**10K/yr-15.1%1.4% conv. - **galaxy s21 wallet case**9K/yr-8.1%1.1% conv. - **samsung s21 wallet case**9K/yr-18.4%1.8% conv. - **s21 phone case with card holder**7K/yr+25.3%1.8% conv. - **galaxy s21 case wallet**7K/yr-22.9%1.3% conv. - **samsung s21 case wallet**6K/yr-17.2%0.9% conv. - **galaxy s21 5g case wallet**6K/yr-16.6%1.6% conv. - **s21 wallet phone case**6K/yr-23.5%1.1% conv. - **samsung s21 case with card holder**5K/yr+2.1%1.4% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/samsung-galaxy-s21-wallet-case/search-terms)
## **Top samsung galaxy s21 wallet case 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.
0%2%$6364%$1K6%$2K8%$3K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ONETOP Compatible with Samsung Galaxy S21 Wallet Case with Card Holder PU Leather Kickstand Card Slots Case Double Magnetic Clasp and Durable Shockproof Cover 5G 6.2 Inch(Black)**ONETOP**$22.24**4.5★4,330 rev](https://www.amazon.com/dp/B0972PKHHB) [2![iCoverCase Compatible with Samsung Galaxy S21 Case with Card Holder S21 Wallet Case for Women Men [RFID Blocking] PU Leather Protective Phone Case for S21 5G (Dark Purple)](https://m.media-amazon.com/images/I/41eAzKlM9OL.jpg)**iCoverCase Compatible with Samsung Galaxy S21 Case with Card Holder S21 Wallet Case for Women Men \[RFID Blocking\] PU Leather Protective Phone Case for S21 5G (Dark Purple)**iCoverCase**$13.59**4.4★239 rev](https://www.amazon.com/dp/B0DXTJK98B) [3**Nvollnoe for Samsung S21 Case with Card Holder 5G 6.2 inch Dual Layer Heavy Duty Protective for Galaxy S21 Case Hidden Card Slot Slim Wallet Case for Samsung S21(Black)**Nvollnoe**$10.10**4.2★2,220 rev](https://www.amazon.com/dp/B0B24N6RSG) [4**Shieldtop Compatible with Samsung Galaxy S21 Wallet Case with Card Holder Women Men RFID Blocking PU Leather Flip Protective Cover Wrist Strap Zipper Credit Card Slots Phone Case for S21 6.2 Wine Red**Shieldtop**$14.35**4.4★228 rev](https://www.amazon.com/dp/B0CYLYLRKX) [5**JHWVVTF Wallet Case for Samsung Galaxy S21 - RFID Blocking PU Leather Flip Folio Cover 4 Card Slots & Cash Pocket Kickstand Detachable Wrist Strap Shockproof Protective Case (Black)**JHWVVTF**$8.40**4.1★38 rev](https://www.amazon.com/dp/B0DNHZFSGF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Toycamp for Samsung Galaxy S21 Wallet Case with Wrist Strap - Leather Flip Folio Cover with RFID Blocking 4 Card Slots Galaxy Samsung S21 Cute Aesthetic for Women Lady Black Sun Moon**Toycamp**$15.67**510 rev7mo ago](https://www.amazon.com/dp/B0G4R9BYCR) [**Case Wallet for Samsung Galaxy S21 5G (Non S21+) Light Blue**CaseGla**$11.83**8 rev7mo ago](https://www.amazon.com/dp/B0G2KXD4L7) [**Flip Wallet Case for Samsung Galaxy S21 Turquoise**CaseGla**$10.00**9 rev7mo ago](https://www.amazon.com/dp/B0G26QF8H6) [**Haninsuze Case Wallet for Samsung Galaxy S21 5G Black Flower**Haninsuze**$10.86**22 rev9mo ago](https://www.amazon.com/dp/B0FRXKMW3J) [**Salanheo Case Wallet for Samsung Galaxy S21 Pink Rose**Salanheo**$9.94**25 rev9mo ago](https://www.amazon.com/dp/B0FRXM82QV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Case Wallet for Samsung Galaxy S21 5G (Non S21+) Light Blue**CaseGla**$11.83**4.8★**▲ 300%**](https://www.amazon.com/dp/B0G2KXD4L7) [**Flip Wallet Case for Samsung Galaxy S21 Turquoise**CaseGla**$10.00**4.2★**▲ 275%**](https://www.amazon.com/dp/B0G26QF8H6) [**Toycamp for Samsung Galaxy S21 Wallet Case with Wrist Strap - Leather Flip Folio Cover with RFID Blocking 4 Card Slots Galaxy Samsung S21 Cute Aesthetic for Women Lady Black Sun Moon**Toycamp**$15.67**4.5★**▲ 207%**](https://www.amazon.com/dp/B0G4R9BYCR) [**Defencase Compatible with Samsung Galaxy S21 5G Case Wallet with RFID Blocking Card Holder for Women Men PU Leather Magnetic Snap Flip Zipper Strap Wallet Phone Case Fit for Galaxy S21 5G 6.2 Pink**Defencase**$22.71**4.2★**▲ 103%**](https://www.amazon.com/dp/B09F3P54ZW) [**JHWVVTF Wallet Case for Samsung Galaxy S21 - RFID Blocking PU Leather Flip Folio Cover 4 Card Slots & Cash Pocket Kickstand Detachable Wrist Strap Shockproof Protective Case (Black)**JHWVVTF**$8.40**4.1★**▲ 92%**](https://www.amazon.com/dp/B0DNHZFSGF)
**~~View all trending →~~**
## **What buyers say about samsung galaxy s21 wallet case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**17%
*“Great fit”*
**Quality-Overall**12%
*“Great build quality”*
**Color**11%
*“Love the color”*
**Durability**11%
*“Pretty and durable”*
**Advertised Vs Actual Product**11%
*“was just as advertised”*
**Ease Of Use**10%
*“Very useful”*
**Value For Money**5%
*“Great value for the price”*
**Drop/Impact Protection**4%
*“I believe it probably would protect my phone in a fall better than than my similar before case”*
**Design-Overall**3%
*“DESIGN”*
**Portability**2%
*“Get to carry my id, my credit cards”*
### **What buyers complain about **
**Size-Overall**32%
*“It is too short”*
**Durability**12%
*“Broken within a month”*
**Compatibility-Overall**11%
*“Does not fit s21”*
**Quality-Overall**10%
*“Cheap”*
**Magnetic Strength/Adsorption**5%
*“the magnetic thing that holds it closed is already got signs of breaking”*
**Advertised Vs Actual Product**3%
*“Maybe the description is a little deceiving”*
**Smell**3%
*“Stinky”*
**Touch/Button Controls**3%
*“Button alignment sucked”*
**Material Quality**2%
*“Very cheap material”*
**Color**2%
*“the darker color starts rubbing off after a few months”*
### **Top return reasons **
**Size-Overall**77%
**Compatibility-Overall**9%
**Advertised Vs Actual Product**2%
**Magnetic Strength/Adsorption**2%
**Touch/Button Controls**1%
**Quality-Overall**1%
**Color**1%
**Charging**1%
**Functionality-Overall**1%
**Strength**1%
## **Common questions**
- **Is samsung galaxy s21 wallet case profitable to sell on Amazon United States?**
- The niche generates $32K/yr across 80 tracked products. 0 of 12 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (47/100).
- **How competitive is the samsung galaxy s21 wallet case niche?**
- 44 brands and 50 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 35% of demand.
- **What do buyers complain about in samsung galaxy s21 wallet case?**
- Top complaints mined from reviews: Size-Overall, Durability, Compatibility-Overall. The return rate is 9.4% — above our launch gate.
- **When does demand for samsung galaxy s21 wallet case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the samsung galaxy s21 wallet case niche?**
- Listings span $7.12–$26.73; the average listing price is $14.82 (sweet spot $15–$100). The average incumbent carries 1,516 reviews — the moat a new listing must climb.
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