Useful app and graphsMany reviewers
Reviewers like the app’s graphs, history tracking, and access to readings over Bluetooth.
Easy-to-read displayMany reviewers
The e-ink display is clear, stays on, and provides an easy-to-read visualization of radon levels.
Fast radon readingsMany reviewers
Reviewers appreciate getting radon readings within minutes and seeing peaks throughout the day.
Accurate radon readingsMany reviewers
Reviewers describe the readings as accurate and useful for monitoring radon levels at home.
Long battery lifeSome reviewers
Reviewers value the two-AA battery operation and report that the batteries last a long time.

Cons

Bluetooth pairing can confuseA few reviewers
Initial app pairing may be confusing, and one reviewer could not connect the device to an iPhone.

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Advanced Insights

Premium

See who's really selling the product and whether their track record earns your trust, whether today's price is a good deal, exactly why the reviews can or can't be trusted, and how its ratings have held up over time.

SellerSeller Reputation

93% positive

Good record

PricePrice Analysis

$34.99

About average

ReviewsReview Authenticity

3Trust Signals
2Concerns

RatingsRatings History

4.5 → 4.4

Rating a year ago → now

Seller Reputation

Who sells it to you, and how buyers rate them

Good record

Example Goods Co.Third-party sellerSteady lately

Positive feedback from buyers

Last 90 days92% of 210 ratings

Last 12 months93% of 860 ratings

Lifetime94% of 5,400 ratings

Good, 90–94%

Who sold it, last 180 days

The seller behind the Add to Cart button (the Buy Box), by share of the time.

Example Goods Co.86%
Other sellers11%
No seller3%

Selling since: May 2019
Shipped by: Amazon
Buy Box sellers: 2

Summary

It's sold by Example Goods Co., a third-party seller based in the United States, with Amazon handling shipping. Over the last 12 months, 93% of its 860 seller ratings were positive (94% of 5,400 over its lifetime). It has been selling on Amazon since at least May 2019.

Price Analysis

Today's price against its own history and the best sellers

About its average price

Last 180 days

Best sellers in this categoryCosts less than 65% of best sellers

Price over time

The lower of Amazon’s price and the lowest new offer, each day. Gaps mean neither was in stock.

Summary

At $34.99, it costs less than 65% of the best sellers in this category (middle price $42.50, average $47.10). Over the last 180 days it sold for $29.99 to $39.99, $36.20 on average; today's price is about average.

Review Authenticity

Why the reviews can or can't be trusted

Bottom line

The reviews look like a fair guide to the product, but weigh the recent complaints before you buy.

Most ratings are positive, and most reviews read as first-hand accounts with specific details about everyday use. The checks found no copied text and no reviews about a different product. The main caution is a recent rise in short negative reviews from a minority of buyers.

Signs the reviews are genuine3

Specific owner details
Reviewers describe how they use it day to day, with details only an owner would know.
Complaints inside high ratings
Several four-star reviews name real drawbacks while still recommending it.
Copy checks came back clean
No reviews share wording with each other or with other products.

Reasons for caution2

More 1-star reviews latelyModerate
New reviews are 1-star more often than over the product's life.
A merged listingMild
The ratings count jumped by hundreds in one day, which usually means listings were merged.

What stands out

Battery life and fit come up again and again.
The rating has slipped slightly over the past year.

Full analysis

What stands out

Battery life and fit come up again and again.
The rating has slipped slightly over the past year.

Ratings History

How its rating has held up since Apr 2025

History since: Apr 2025
Rating a year ago → now: 4.5 → 4.4
New ratings, last 12 months: 1,480
Bought per month: About 300

Total ratings on AmazonLines mark listing merges or splits, and drops that never recovered.

New ratings per monthHow much the total grew in each month.

Gray: a month with a listing merge or split, or with ratings removed, so its change isn’t new ratings.

Unlock Advanced Insights

Seller Reputation: who really sells it (Amazon, the brand or a reseller), and whether their history of buyer feedback says you can trust them
Price Analysis: whether today's price is a real deal, measured against the category's best sellers and its own price history
Review Authenticity: the evidence behind the Trust Score, from the signs the reviews are genuine to the red flags worth a second look, backed by real quotes
Ratings History: how the rating has held up over time, with charts that flag vanishing ratings and merged listings
Product Chat: ask anything about the product and get answers straight from its reviews and FakeFind's analysis

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