---
title: "fum cores — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/fum-cores"
last_updated: "2026-07-14T10:03:04.307Z"
locale: en
meta:
  description: "fum cores shows beatable incumbent ratings (3.3★), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list."
  "og:description": "fum cores shows beatable incumbent ratings (3.3★), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list."
  "og:title": "fum cores — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **fum cores**

**Worth a look**

Shows beatable incumbent ratings (3.3★), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Market size 28Growth 21Conversion 80Competition 41Returns 91Price range 76Avg price 95Brand share 7Review moat 89Quality gap 100

**Quality gap**

**Incredible****3.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****$31.26**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.2%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****214.91**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Great****8.4%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Great****$9.24–$120.80**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Okay****60%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$123K**

$123K/yr · 47K searches

**Growth**

**Bad****-7.1%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****97%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**7 **▲rising

**Sellers**

**8**

**Top-5 brand share**

**97%**

**Open market**

**1%**

- FÜM56% - VOIOV15% - Boderi12% - LAMKHOO11% - Healfs4% - Habit Control2% - Open — no brand owns it (1 brand, 1%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$5K8%$10K12%$15K16%$20K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Fm 3 Packs of Plant Based Citrus Cores | Naturally Switch from Bad Habits | 9 Total Cores](https://m.media-amazon.com/images/I/41JrMDHKgHL.jpg)**Fm 3 Packs of Plant Based Citrus Cores | Naturally Switch from Bad Habits | 9 Total Cores**FÜM**$29.07**3.7★690 rev](https://www.amazon.com/dp/B0DBYMKCYF) [2![30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath](https://m.media-amazon.com/images/I/515PtrBL88L.jpg)**30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath**VOIOV**$36.75**3.3★3 rev](https://www.amazon.com/dp/B0GT3SRRP1) [3![Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)](https://m.media-amazon.com/images/I/41MV8e0XxNL.jpg)**Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)**FÜM**$29.71**3.7★690 rev](https://www.amazon.com/dp/B0GHDLR168) [4![Fm 1 Pack of Plant Based Crisp Mint Cores | Naturally Switch from Bad Habits | 3 Total Cores](https://m.media-amazon.com/images/I/41BE-SaepCL.jpg)**Fm 1 Pack of Plant Based Crisp Mint Cores | Naturally Switch from Bad Habits | 3 Total Cores**FÜM**$10.02**3.9★11 rev](https://www.amazon.com/dp/B0FKC34JGL) [5![Fm 3 Packs of Plant Based Retro Sweets Cores | Naturally Switch from Bad Habits | 9 Total Cores](https://m.media-amazon.com/images/I/41RwSbSs2IL.jpg)**Fm 3 Packs of Plant Based Retro Sweets Cores | Naturally Switch from Bad Habits | 9 Total Cores**FÜM**$28.53**3.7★690 rev](https://www.amazon.com/dp/B0DBYF4B8G)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath](https://m.media-amazon.com/images/I/515PtrBL88L.jpg)**30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath**VOIOV**$36.75**3 rev3mo ago](https://www.amazon.com/dp/B0GT3SRRP1) [![Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)](https://m.media-amazon.com/images/I/41MV8e0XxNL.jpg)**Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)**FÜM**$29.71**690 rev5mo ago](https://www.amazon.com/dp/B0GHDLR168) [![Fm 1 Pack of Plant Based Crisp Mint Cores | Naturally Switch from Bad Habits | 3 Total Cores](https://m.media-amazon.com/images/I/41BE-SaepCL.jpg)**Fm 1 Pack of Plant Based Crisp Mint Cores | Naturally Switch from Bad Habits | 3 Total Cores**FÜM**$10.02**11 rev5mo ago](https://www.amazon.com/dp/B0FKC34JGL) [![Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Brown)](https://m.media-amazon.com/images/I/41JHs2vsZqL.jpg)**Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Brown)**LAMKHOO**$30.12**56 rev7mo ago](https://www.amazon.com/dp/B0G3Y6T7Y4) [![Replace Bad Habit Flavored Air Device with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Device for Stress Relief Sensory Fidget for Adults (Beige)](https://m.media-amazon.com/images/I/51DVss2JRqL.jpg)**Replace Bad Habit Flavored Air Device with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Device for Stress Relief Sensory Fidget for Adults (Beige)**LAMKHOO**$49.25**13 rev7mo ago](https://www.amazon.com/dp/B0G3Y7CGTC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath](https://m.media-amazon.com/images/I/515PtrBL88L.jpg)**30 Pieces of Plant Based Cores 10 Fruity Flavors to Keep Fresh Breath**VOIOV**$36.75**3.3★**▲ 403%**](https://www.amazon.com/dp/B0GT3SRRP1) [![Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Brown)](https://m.media-amazon.com/images/I/41JHs2vsZqL.jpg)**Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Brown)**LAMKHOO**$30.12**2.9★**▲ 217%**](https://www.amazon.com/dp/B0G3Y6T7Y4) [![Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Black)](https://m.media-amazon.com/images/I/416uDv3DuAL.jpg)**Replace Bad Habit Flavored Air Necklace with 18pcs Refillable Cores in 6 Flavors Habit Support Refreshing Necklace for Stress Relief Sensory Fidget for Adults - Travel Set (Black)**LAMKHOO**$29.62**2.9★**▲ 215%**](https://www.amazon.com/dp/B0G3Y4SQJQ) [![Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)](https://m.media-amazon.com/images/I/41MV8e0XxNL.jpg)**Fm 3 Packs of Plant Based Cores | Naturally Switch from Bad Habits | 9 Total Cores (Crisp Mint)**FÜM**$29.71**3.7★**▲ 213%**](https://www.amazon.com/dp/B0GHDLR168) [![Healfs 3 Pack Plant-Based Inhaler Cores | Smokeless Core Refills | Total 9 Cores](https://m.media-amazon.com/images/I/41-UYzyouCL.jpg)**Healfs 3 Pack Plant-Based Inhaler Cores | Smokeless Core Refills | Total 9 Cores**Healfs**$16.23**3.2★**▲ 168%**](https://www.amazon.com/dp/B0FKTL31L6)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 70 weeks — -7.1% search growth over the last 90 days.

13K8KSpike '25Prime Day '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun · busiest ÷ quietest = 8.2×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Flavor**13%

*“Great flavor”*

**Taste-Overall**11%

*“Cranberry tastes okay”*

**Value For Money**7%

*“Great value for the money”*

**Smell**6%

*“The smell was okay”*

**Advertised Vs Actual Product**6%

*“Just as expected”*

**Quality-Overall**6%

*“Great quality and perfect for keeping things feeling clean and minty”*

**Ease Of Use**4%

*“Super easy to use”*

**Stress/Anxiety**4%

*“Great tool for anxiety reduction”*

**Soothing Effect**3%

*“Great when you cannot vape in public, relieves the tension and anxiety”*

**Oral Hygiene**3%

*“it helps sm w the hand to mouth habit”*

### **What buyers complain about **

**Flavor**27%

*“Terrible chemical flavor”*

**Taste-Overall**18%

*“Doesn't taste like mint at all”*

**Side Effects**6%

*“Just gives you a sore throat”*

**Value For Money**5%

*“not worth it”*

**Advertised Vs Actual Product**4%

*“not disclosed in the product description”*

**Size-Overall**4%

*“They are a little too long”*

**Strength**3%

*“its very strong”*

**Quality-Overall**3%

*“Product is not good”*

**Durability**2%

*“the chain broke the first day I got it”*

**Allergies**2%

*“Caused allergic reaction”*

### **Top return reasons **

**Flavor**23%

**Taste-Overall**15%

**Functionality-Overall**13%

**Advertised Vs Actual Product**11%

**Size-Overall**10%

**Product Condition**4%

**Quality-Overall**3%

**Value For Money**3%

**Smell**3%

**Weight Heavy**2%