---
title: "Keychain Thermometer — $122K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/keychain-thermometer"
last_updated: "2026-08-11T13:03:19.127Z"
locale: en
meta:
description: "Niche score 47/100 · $122K/yr market · 144K searches/yr · $19.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $122K/yr market · 144K searches/yr · $19.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Keychain Thermometer — $122K/yr Amazon US Niche (2026) - Flapen"
---
# **keychain thermometer**
**Skip it**
Brand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 18Conversion 54Competition 60Returns 71Price range 82Avg price 85Brand share 17Review moat 24Quality gap 79
**Avg price**
**Great****$19.06**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.97–$60.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$122K**
$122K/yr · 144K searches
**Review moat**
**Bad****6,447.15**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-14.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, keychain thermometer is a $122K/yr Amazon United States market (144K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **keychain thermometer market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$114K–$152K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#63**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **78%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**42**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 90%
**Open market**
**5%**
- AcuRite43% - Sun Company27% - GoveeLife13% - Govee8% - Coghlan's3% - Serundo Auto2% - Open — no brand owns it (3 brands, 5%)
## **Demand**
Weekly Amazon search volume, last 30 weeks — -14.9% search growth over the last 90 days.
3K2KSpike '26Dec '25Jan '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/keychain-thermometer/trend)
## **Top keychain thermometer search terms**
- **acurite thermometer**21K/yr-12.6%4.8% conv. - **keychain thermometer**14K/yr-8.8%2.5% conv. - **backpacking thermometer**12K/yr+7.1%3.0% conv. - **camping thermometer**12K/yr-17.6%3.1% conv. - **hiking thermometer**11K/yr-20.6%2.9% conv. - **govee outdoor thermometer**10K/yr-20.1%4.0% conv. - **zipper thermometer**9K/yr-27.7%1.5% conv. - **thermometer keychain**7K/yr-18.1%2.0% conv. - **zipper pull thermometer**9K/yr-20.1%1.9% conv. - **acurite thermometers**6K/yr-33.1%3.4% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/keychain-thermometer/search-terms)
## **Top keychain thermometer 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%$12K20%$24K30%$37K40%$49K101001K10K100K 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**AcuRite Portable Digital Thermometer for Indoor or Outdoor Temperature with Carabiner Clip (00333)**AcuRite**$10.91**4.0★689 rev](https://www.amazon.com/dp/B0CFC1NNDJ) [2**GoveeLife 2-in-1 Indoor Outdoor Thermometer Hygrometer IP65 Waterproof Digital Display 197ft Buletooth Range Notification Alerts 2 Years Data Storage Export for Home Camping Patio Greenhouse**GoveeLife**$20.73**4.4★239 rev](https://www.amazon.com/dp/B0FLQD2PC9) [3**Sun Company Brrr-ometer - Snowsport Zipper Pull Thermometer for Jacket Parka or Backpack | Mini Outdoor Skiing & Snowboarding Keychain Thermometer**Sun Company**$8.90**4.0★620 rev](https://www.amazon.com/dp/B084ZVH88B) [4**Sun Company Digital Zipogage - Compact Zipperpull Digital Thermometer | for Skiing Snowboarding Cold-Weather Camping Snowshoeing or Any Outdoor Activity**Sun Company**$20.85**4.1★1,077 rev](https://www.amazon.com/dp/B07KMMJPCZ) [5**AcuRite Wireless Indoor Outdoor Temperature and Humidity Sensor with A-B-C Switch (06002M / 592TXR)**AcuRite**$18.01**4.6★12,043 rev](https://www.amazon.com/dp/B00T0K8NXC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YIJINGSETC Portable Thermometer Hygrometer with Accurate Temp & Humidity Detection and Compass for a Comfortable Living Space Camping Workshop. Get it Now for a Controlled Environment Green**YIJINGSETC**$13.69**17 rev8mo ago](https://www.amazon.com/dp/B0FXY2FXGZ) [**GoveeLife 2-in-1 Indoor Outdoor Thermometer Hygrometer IP65 Waterproof Digital Display 197ft Buletooth Range Notification Alerts 2 Years Data Storage Export for Home Camping Patio Greenhouse**GoveeLife**$20.73**239 rev11mo ago](https://www.amazon.com/dp/B0FLQD2PC9) [**Portable Mini Thermometer Digital Hygrometer Humidity Meter**CryzhalinX**$13.37**19 rev11mo ago](https://www.amazon.com/dp/B0FKN2N9W2) [**Sun Company Zip-o-gage - Zipper Pull Thermometer for Jacket Parka or Backpack | Mini Outdoor Keychain Thermometer with Windchill Chart on Back (Green)**Sun Company**$8.66**1,275 rev1y ago](https://www.amazon.com/dp/B0FB5963L9) [**GoveeLife Outdoor Indoor Wireless Wi-Fi Gateway Thermometer Hygrometer IP65 Waterproof Temperature Humidity Sensor Monitor with Remote APP Alert 1312ft Monitoring Range for Home Greenhouse Patio**GoveeLife**$60.46**275 rev2y ago](https://www.amazon.com/dp/B0CSDXDZRV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YIJINGSETC Portable Thermometer Hygrometer with Accurate Temp & Humidity Detection and Compass for a Comfortable Living Space Camping Workshop. Get it Now for a Controlled Environment Green**YIJINGSETC**$13.69**4.6★**▲ 101%**](https://www.amazon.com/dp/B0FXY2FXGZ) [**Portable Mini Thermometer Digital Hygrometer Humidity Meter**CryzhalinX**$13.37**4.2★**▲ 43%**](https://www.amazon.com/dp/B0FKN2N9W2) [**AcuRite Thermometer & Hygrometer with Humidity Gauge Magnetic Only**AcuRite**$10.30**4.6★**▲ 29%**](https://www.amazon.com/dp/B004K8RF10) [**GoveeLife Outdoor Indoor Wireless Wi-Fi Gateway Thermometer Hygrometer IP65 Waterproof Temperature Humidity Sensor Monitor with Remote APP Alert 1312ft Monitoring Range for Home Greenhouse Patio**GoveeLife**$60.46**4.4★**▲ 27%**](https://www.amazon.com/dp/B0CSDXDZRV) [**Sun Company Zip-o-gage - Zipper Pull Thermometer for Jacket Parka or Backpack | Mini Outdoor Keychain Thermometer**Sun Company**$8.41**4.0★**▲ 23%**](https://www.amazon.com/dp/B0000AXQK3)
**~~View all trending →~~**
## **What buyers say about keychain thermometer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**12%
*“Excellent quality”*
**Ease Of Use**11%
*“Easy to read”*
**Efficiency**10%
*“Does work”*
**Value For Money**9%
*“Good value for money”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Connectivity-Overall**6%
*“Great connectivity”*
**Temperature Control**6%
*“Also good to know the temperature”*
**Durability**4%
*“Durable”*
**Size-Overall**4%
*“The compact size is good”*
**Battery Life**4%
*“Battery life seems good”*
### **What buyers complain about **
**Connectivity-Overall**13%
*“Connectivity is terrible”*
**Measurement/Reading Accuracy**13%
*“Inaccurate readings”*
**Durability**12%
*“Not gonna last”*
**Functionality-Overall**7%
*“Did not work”*
**Quality-Overall**7%
*“Need better quality control”*
**Battery Life**5%
*“Batteries dont last long”*
**Value For Money**4%
*“A little pricey”*
**Temperature Control**4%
*“Maybe the temperature isnt accurate with this one”*
**Size-Overall**4%
*“Much larger than I envisioned”*
**Humidification**2%
*“Humidity not accurate”*
### **Top return reasons **
**Connectivity-Overall**27%
**Measurement/Reading Accuracy**14%
**Functionality-Overall**12%
**Compatibility-Overall**8%
**Size-Overall**7%
**Advertised Vs Actual Product**5%
**Display-Overall**4%
**Heating**4%
**Defective Material/Parts**3%
**Value For Money**3%
## **Common questions**
- **Is keychain thermometer profitable to sell on Amazon United States?**
- The niche generates $122K/yr across 27 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (47/100).
- **How competitive is the keychain thermometer niche?**
- 9 brands and 42 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in keychain thermometer?**
- Top complaints mined from reviews: Connectivity-Overall, Measurement/Reading Accuracy, Durability. The return rate is 2.2%.
- **What does it cost to enter the keychain thermometer niche?**
- Listings span $5.97–$60.46; the average listing price is $19.06 (sweet spot $15–$100). The average incumbent carries 6,447 reviews — the moat a new listing must climb.
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