---
title: "Kardia Mobile Case — $37K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/kardia-mobile-case"
last_updated: "2026-07-21T19:53:16.536Z"
locale: en
meta:
description: "Niche score 32/100 · $37K/yr market · 53K searches/yr · $9.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $37K/yr market · 53K searches/yr · $9.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Kardia Mobile Case — $37K/yr Amazon US Niche (2026) - Flapen"
---
# **kardia mobile case**
**Skip it**
A small market ($37K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 20Conversion 77Competition 24Returns 56Price range 20Avg price 29Brand share 36Review moat 50Quality gap 22
**Conversion**
**Great****7.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.8%**
return rate — above 6% kills the launch gate
**Review moat**
**Okay****1,526.73**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****$9.46**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-9.7%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$6.12–$17.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$37K**
$37K/yr · 53K searches
According to Flapen's Amazon United States niche tracking, kardia mobile case is a $37K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Dec. Verdict: Skip it — 32/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kardia mobile case market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$38K–$47K**
- units × avg price
- **Launch success**
- **—**
- 0 of 3 new (360d)
- **Conversion rate**
- **7.5%**
- **Avg BSR**
- **#1,396**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**13%**
- ALKOO36% - CoBak20% - Glamgen13% - Auriomuse9% - FINTIE6% - Yinke4% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.7% search growth over the last 90 days.
2K1KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/kardia-mobile-case/trend)
## **Top kardia mobile case search terms**
- **kardia mobile case**19K/yr-16.2%6.2% conv. - **kardia case**11K/yr+8.1%6.2% conv. - **kardiamobile case**6K/yr+10.2%5.7% conv. - **kardiamobile 6l case**7K/yr-25.0%3.9% conv. - **kardia mobile 6l case**5K/yr-29.8%4.5% conv. - **kardia 6l case**4K/yr-1.5%5.4% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/kardia-mobile-case/search-terms)
## **Top kardia mobile 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%10%$4K20%$7K30%$11K40%$15K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ALKOO Heart Monitor Case for AliveCor for KardiaMobile 1-Lead/for KardiaMobile 6L / for KardiaMobile 6L Max Hard EKG Monitor Travel Storage Bag with Pill Box and Carabiner Box Only**ALKOO**$9.46**4.7★11,836 rev](https://www.amazon.com/dp/B07ZRGWF4Z) [2**Case for Kardiamobile 1-Lead/ 6L/ 6L Max EKG Heart Monitor Compatible with Kardia Mobile EKG Heart Monitor Hard Travel Box for Alivecor Kardiamobile Pill Box & Carabiner Clip Included**Glamgen**$8.13**4.7★1,711 rev](https://www.amazon.com/dp/B0C36HF2TJ) [3**Auriomuse Kardiamobile Case for Kardia Mobile 6L & 6L Max Portable Hard Shell Case with Silicone Pad for Kardiamobile EKG Heart Monitor**Auriomuse**$15.10**4.7★185 rev](https://www.amazon.com/dp/B0FFZFNS1R) [4**CoBak Case for KardiaMobile EKG Monitor 1-Lead/for Kardia Mobile Heart Monitor 6-Lead/for KardiaMobile 6L Max/for Apple and Android Devices - CASE ONLY**CoBak**$8.75**4.6★1,562 rev](https://www.amazon.com/dp/B0D3GXPXW5) [5**CoBak Case for KardiaMobile EKG Monitor 1-Lead/for Kardia Mobile Heart Monitor 6-Lead/for KardiaMobile 6L Max/for Apple and Android Devices - CASE ONLY**CoBak**$8.91**4.6★1,562 rev](https://www.amazon.com/dp/B0D3GX59QS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**COMECASE Heart Monitor Case for KardiaMobile 1-Lead/6L/6L Max**Comecase**$7.74**8 rev3mo ago](https://www.amazon.com/dp/B0GTPLXL5V) [**SARLAR Heart Monitor Case for Alivecor KardiaMobile 6L/6L Max/1-Lead Models Premium EVA Hard Shell Pouch with Carabiner and Lanyard KardiaMobile EKG/Personal Monitor Case with Easy Access - Black**sarlar**$6.12**9 rev6mo ago](https://www.amazon.com/dp/B0GCF5PJQ2) [**CoBak Neoprene Case for AliveCor KardiaMobile 6-Lead EKG Monitor/KardiaMobile 6L Max/KardiaMobile 1-Lead with Magnetic Closure and Keychain Soft Protective Storage Bag - CASE ONLY**CoBak**$8.58**53 rev9mo ago](https://www.amazon.com/dp/B0FSRPZM5N) [**Auriomuse Kardiamobile Case for Kardia Mobile 6L & 6L Max Portable Hard Shell Case with Silicone Pad for Kardiamobile EKG Heart Monitor**Auriomuse**$15.10**185 rev1y ago](https://www.amazon.com/dp/B0FFZFNS1R) [**Protective Case Compatible with KardiaMobile 1L EKG Heart Monitor with Silicone Pad Travel Portable Cover (Case Only) Black**SavvyBloom**$9.90**102 rev1y ago](https://www.amazon.com/dp/B0F7LKP178)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**COMECASE Heart Monitor Case for KardiaMobile 1-Lead/6L/6L Max**Comecase**$7.74**4.6★**▲ 376%**](https://www.amazon.com/dp/B0GTPLXL5V) [**Protective Case Compatible with KardiaMobile 1L EKG Heart Monitor with Silicone Pad Travel Portable Cover (Case Only) Black**SavvyBloom**$9.90**4.6★**▲ 311%**](https://www.amazon.com/dp/B0F7LKP178) [**SARLAR Heart Monitor Case for Alivecor KardiaMobile 6L/6L Max/1-Lead Models Premium EVA Hard Shell Pouch with Carabiner and Lanyard KardiaMobile EKG/Personal Monitor Case with Easy Access - Black**sarlar**$6.12**5.0★**▲ 291%**](https://www.amazon.com/dp/B0GCF5PJQ2) [**GWCASE Heart Rate Monitor Case for KardiaMobile 1-Lead/ 6L/ 6L Max for AliveCor for EKG Monitor Hard EVA Travel Storage Box with Pill Box Mesh Pocket and Carabiner Clip-Rose Gold (Box Only)**GWCASE**$9.18**4.7★**▲ 219%**](https://www.amazon.com/dp/B08V8TZ91Y) [**Case Compatible with Kardiamobile EKG Monitor Hard Travel Storage for Alivecor Kardia Mobile 6L Heart Monitor with Pill Box and Carabiner Clip for iPhone & Android Devices**Bjabtan**$7.07**4.6★**▲ 74%**](https://www.amazon.com/dp/B0C38SBGPR)
**~~View all trending →~~**
## **What buyers say about kardia mobile case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“Fits great”*
**Ease Of Use**16%
*“Very handy”*
**Quality-Overall**11%
*“Good product delivers what it promises”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Drop/Impact Protection**7%
*“Nice Case for Device Protection”*
**Value For Money**7%
*“Good price”*
**Efficiency**5%
*“it does work”*
**Portability**4%
*“easy to carry”*
**Security**3%
*“Keeps items safe and secure”*
**Storage Capacity**2%
*“Holds items very well”*
### **What buyers complain about **
**Quality-Overall**11%
*“not well made”*
**Size-Overall**10%
*“It feels a little too big”*
**Ease Of Use**10%
*“Very difficult to use”*
**Value For Money**9%
*“I did NOT realize the approximate $30/month fee was required”*
**Advertised Vs Actual Product**8%
*“a case was never advertised for it”*
**Connectivity-Overall**7%
*“It didnt seem to have a good connection in my home”*
**Magnetic Strength/Adsorption**4%
*“However, the magnetic latch broke the first time I opened the case”*
**Assembly/Installation**3%
*“needed help installing it”*
**Durability**3%
*“The second one they sent me pretty much stopped after a month”*
**Instructions/User Manual/Troubleshooting**3%
*“I struggled to complete the instructions”*
### **Top return reasons **
**Size-Overall**44%
**Compatibility-Overall**9%
**Functionality-Overall**8%
**Advertised Vs Actual Product**8%
**Product Condition**4%
**Defective Material/Parts**4%
**Material Quality**4%
**Value For Money**3%
**Ease Of Use**3%
**Connectivity-Overall**2%
## **Common questions**
- **Is kardia mobile case profitable to sell on Amazon United States?**
- The niche generates $37K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Skip it (32/100).
- **How competitive is the kardia mobile case niche?**
- 12 brands and 15 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in kardia mobile case?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Ease Of Use. The return rate is 2.8%.
- **When does demand for kardia mobile case peak?**
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the kardia mobile case niche?**
- Listings span $6.12–$17.26; the average listing price is $9.46 (sweet spot $15–$100). The average incumbent carries 1,527 reviews — the moat a new listing must climb.
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