---
title: "Viofo A139 Pro — $55K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/viofo-a139-pro"
last_updated: "2026-08-11T04:39:06.174Z"
locale: en
meta:
description: "Niche score 27/100 · $55K/yr market · 20K searches/yr · $203.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 27/100 · $55K/yr market · 20K searches/yr · $203.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Viofo A139 Pro — $55K/yr Amazon US Niche (2026) - Flapen"
---
# **viofo a139 pro**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 14Growth 42Conversion 17Competition 27Returns 24Price range 0Avg price 46Brand share 0Review moat 25Quality gap 68
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$203.28**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+13.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,506.36**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$55K**
$55K/yr · 20K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$100.97–$451.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, viofo a139 pro is a $55K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 27/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **viofo a139 pro market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$20K–$51K**
- units × avg price
- **Conversion rate**
- **1.4%**
- **Avg BSR**
- **#169**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **93%**
- **Out of stock**
- **5.3%**
- **Avg brand age**
- **23 months**
- **Avg seller age**
- **236 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **—flat
**Sellers**
**13**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**0%**
- VIOFO90% - ROVE4% - REDTIGER3% - VANTRUE3%
## **Demand & seasonality**
Weekly Amazon search volume, last 86 weeks — +13.6% search growth over the last 90 days.
2K1KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Nov, Dec · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/electronics/viofo-a139-pro/trend)
## **Top viofo a139 pro search terms**
- **viofo a139 pro**12K/yr+9.4%1.2% conv. - **viofo a139**6K/yr+29.0%1.1% conv. - **viofo a139 pro 2ch**687/yr+0.0%0.0% conv. - **a139 pro**931/yr-27.1%0.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/viofo-a139-pro/search-terms)
## **Top viofo a139 pro 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%$5K20%$11K30%$16K40%$22K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**VIOFO A229 Plus Dash Cam Front and Rear Dual STARVIS 2 Sensors 2 Channel HDR 1440P+1440P Voice Control Car Dash Camera 5GHz Wi-Fi Voice Control Ultra-Precise GPS**VIOFO**$176.27**4.4★2,050 rev](https://www.amazon.com/dp/B0CKX14L34) [2**VIOFO A229 Pro 4K HDR Dash Cam Dual STARVIS 2 IMX678 IMX675 4K+2K Front and Rear Car Camera 2 Channel with HDR Voice Control 5GHz WiFi GPS Night Vision 2.0 24H Parking Mode**VIOFO**$253.22**4.2★1,402 rev](https://www.amazon.com/dp/B0CKYFSKNN) [3**VIOFO A119M Pro 4K HDR MINI Dash Cam STARVIS 2 IMX678 Sensor Front Dash Camera for Cars Wi-Fi 6 Quad-Mode GPS Voice Control Night Vision 2.0 24H Parking Mode Supercapacitor**VIOFO**$154.95**4.4★236 rev](https://www.amazon.com/dp/B0FY1PQ1GR) [4**VIOFO Dual Dash Cam 2K 1440P 60fps+1080P 30fps Front and Rear Dash Camera with Wi-Fi GPS Parking Mode Emergency Recording Super Capacitor Motion Detection (A129 Plus Duo)**VIOFO**$155.21**4.2★3,287 rev](https://www.amazon.com/dp/B08DV51H2X) [5**VIOFO 4K HDR Dash Cam Front and Rear A139 Pro 2CH STARVIS 2 IMX678 Sensor Superb Night Vision Ultra HD 4K + 1080P Dashcam for Car 5GHz WiFi GPS 24H Parking Mode (A139PRO 2CH)**VIOFO**$234.44**4.1★495 rev](https://www.amazon.com/dp/B0BJ6HH96P)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vantrue New N4S 3 Channel Dash Cam STARVIS 2 Night Vision Front Rear Inside Dashcam for Cars Front and Rear Dual Channel PlatePix Tech Parking Mode Wi-Fi GPS 2 IPS Support 1TB (RC18)**VANTRUE**$206.68**302 rev5mo ago](https://www.amazon.com/dp/B0FXWYWM8L) [**VIOFO A119M Pro 4K HDR MINI Dash Cam STARVIS 2 IMX678 Sensor Front Dash Camera for Cars Wi-Fi 6 Quad-Mode GPS Voice Control Night Vision 2.0 24H Parking Mode Supercapacitor**VIOFO**$154.95**236 rev8mo ago](https://www.amazon.com/dp/B0FY1PQ1GR) [**VIOFO A329S 4K 3 Channel Dash Cam 4K Front + 2K Cabin Fisheye (210) + 2K Rear Power Saving Parking Mode Wi-Fi 6 App Control All-Channel STARVIS 2 Sensors Supports up to 4TB SSD Storage**VIOFO**$451.71**241 rev1y ago](https://www.amazon.com/dp/B0FFT52P6R) [**VIOFO A329S 4K 60FPS Dash Cam Front and Rear 4K+2K Dual Dash Camera for Cars Power Saving Parking Mode Wi-Fi 6 App Control Dual STARVIS 2 Sensors Supports up to 4TB SSD**VIOFO**$390.33**221 rev1y ago](https://www.amazon.com/dp/B0FFT3YBH7) [**ROVE R2-4K DUAL Dash Cam Front and Rear STARVIS 2 Sensor FREE 128GB Card Included 5G WiFi - up to 20MB/s Fastest Download Speed with App 4K 2160P/FHD Dash Camera for Cars 3 IPS 24H Parking Mode**ROVE**$111.44**12,805 rev2y ago](https://www.amazon.com/dp/B0D6J5B98H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VIOFO 4K HDR Dash Cam Front and Rear A139 Pro 2CH STARVIS 2 IMX678 Sensor Superb Night Vision Ultra HD 4K + 1080P Dashcam for Car 5GHz WiFi GPS 24H Parking Mode (A139PRO 2CH)**VIOFO**$234.44**4.1★**▲ 344%**](https://www.amazon.com/dp/B0BJ6HH96P) [**Vantrue New N4S 3 Channel Dash Cam STARVIS 2 Night Vision Front Rear Inside Dashcam for Cars Front and Rear Dual Channel PlatePix Tech Parking Mode Wi-Fi GPS 2 IPS Support 1TB (RC18)**VANTRUE**$206.68**4.4★**▲ 242%**](https://www.amazon.com/dp/B0FXWYWM8L) [**VIOFO A119M Pro 4K HDR MINI Dash Cam STARVIS 2 IMX678 Sensor Front Dash Camera for Cars Wi-Fi 6 Quad-Mode GPS Voice Control Night Vision 2.0 24H Parking Mode Supercapacitor**VIOFO**$154.95**4.4★**▲ 86%**](https://www.amazon.com/dp/B0FY1PQ1GR) [**VIOFO A329S 4K 60FPS Dash Cam Front and Rear 4K+2K Dual Dash Camera for Cars Power Saving Parking Mode Wi-Fi 6 App Control Dual STARVIS 2 Sensors Supports up to 4TB SSD**VIOFO**$390.33**4.5★**▲ 65%**](https://www.amazon.com/dp/B0FFT3YBH7) [**VIOFO A229 Pro 3 Channel 4K HDR Dash Cam Dual STARVIS 2 Sensors IMX678 & IMX675 4K+2K+1080P Front Inside and Rear Triple Car Camera 5GHz WiFi GPS Voice Control 24H Parking Mode**VIOFO**$283.87**4.3★**▲ 31%**](https://www.amazon.com/dp/B0CKYGLT5M)
**~~View all trending →~~**
## **What buyers say about viofo a139 pro**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Camera Quality**27%
*“Great camera for my needs”*
**Quality-Overall**12%
*“Good quality device”*
**Assembly/Installation**10%
*“Easy set up”*
**Value For Money**8%
*“Good Value for Money”*
**Ease Of Use**5%
*“easy to follow”*
**Image/Picture Clarity**4%
*“Great picture”*
**Software/Application**3%
*“the app is excellent”*
**Advertised Vs Actual Product**2%
*“As advertised”*
**Connectivity-Overall**2%
*“But otherwise no issues with connection”*
**Night Vision**2%
*“The night vision is clear”*
### **What buyers complain about **
**Durability**17%
*“Does not last”*
**Functionality-Overall**9%
*“slow”*
**Camera Quality**8%
*“Camera not working”*
**Connectivity-Overall**8%
*“It doesnt connect”*
**Software/Application**4%
*“bad app”*
**Quality-Overall**4%
*“Garbage”*
**Assembly/Installation**4%
*“Difficult to install”*
**Value For Money**3%
*“they werent cheap”*
**Heating**2%
*“It heats up”*
**Adhesion/Stickiness**2%
*“Awful Adhesion”*
### **Top return reasons **
**Value For Money**16%
**Compatibility-Overall**16%
**Assembly/Installation**12%
**Functionality-Overall**10%
**Camera Quality**7%
**Connectivity-Overall**6%
**Size-Overall**6%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**3%
**Constant Reboot Or Restart**2%
## **Common questions**
- **Is viofo a139 pro profitable to sell on Amazon United States?**
- The niche generates $55K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +13.6%. Flapen's verdict: Skip it (27/100).
- **How competitive is the viofo a139 pro niche?**
- 4 brands and 13 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in viofo a139 pro?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Camera Quality. The return rate is 5.3% — above our launch gate.
- **When does demand for viofo a139 pro peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the viofo a139 pro niche?**
- Listings span $100.97–$451.71; the average listing price is $203.28 (sweet spot $15–$100). The average incumbent carries 4,506 reviews — the moat a new listing must climb.
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