Comparison

NameBio vs Hello, Guest

NameBio and Hello, Guest both land on Depends.

NameBio

Depends

Confidence: Medium

Buy if you actively flip or invest in domains and need comparable sales data.

Low confidence: 'Hello, Guest' appears to be estibot.com's login greeting, not the product name . every source found describes an unrelated UK Airbnb manager, a video game, or a TV welcome-screen app.

Read the full report

NameBio versus Hello, Guest
Compare	NameBio	Hello, Guest
Verdict	Depends	Depends
Best for	Active domain flippers	Guess: Domain investors valuing portfolios
Who it's not for	Non-domain businesses just naming a company	Anyone shopping the UK Airbnb manager called HelloGuest . wrong site
Privacy	No known public vulnerabilities found in the sources reviewed.¹⁶	No known public vulnerabilities found in the sources reviewed.¹¹
Support quality	Customer service complaints published publicly	No usable evidence found
Public sentiment	Domain investors treat NameBio as the default comps database but repeatedly warn its sales data is incomplete and auction-skewed.^⁵	No reviews of surfaced; results instead cover an unrelated Airbnb firm, a Hello Neighbor video game, and a guest welcome-screen app.¹²
Biggest gotcha	Comps are incomplete . unreported private sales never appear. Never treat data as full market.^⁵	Searching 'Hello Guest' reviews surfaces an unrelated Airbnb manager and a video game . verify you are on¹²

Pick NameBio when

Active domain flippers
Portfolio investors benchmarking asks
Aftermarket researchers tracking trends
Marketplace sellers reporting sales

When NameBio is not a fit

Non-domain businesses just naming a company
One-off sellers needing a single appraisal
Anyone wanting automated valuations, not raw comps
Buyers who need complete, guaranteed market data

Pick Hello, Guest when

Guess: Domain investors valuing portfolios
Guess: Domainers pricing names for sale

When Hello, Guest is not a fit

Anyone shopping the UK Airbnb manager called HelloGuest . wrong site
Hello Neighbor game fans . that 'Hello Guest' is a different product
Buyers who need verified reviews or pricing before paying
Small sellers who just need one free domain value check

Sources

NameBio: Domain Name Sales Historynamebio.com
official
NameBio Membershipsnamebio.com
official
NameBio API Documentationapi.namebio.com
official
NameBio Review: Domain Sales Comps Databasedomainsmoke.com
review
Newbies, Do not rely on Namebio sales reports!namepros.com
review
Domain sales history (CSV) . Reddit r/Domainsreddit.com
review
NameBio Customer Service Complaintsnamebio.pissedconsumer.com
review
Five ways to get more out of NameBiodomainnamewire.com
news
Details About NameBio Saledomaininvesting.com
news
Efty NameBio Integrationblog.efty.com
news
EstiBot product security page (login greeting visible)estibot.com
official
Trustpilot reviews of helloguest.co.uk (unrelated Airbnb manager)trustpilot.com
review
Hello Guest: Hello Neighbor 2 pre-alpha on Steam (unrelated game)store.steampowered.com
official
HelloGuest UK Airbnb management site (unrelated company)helloguest.co.uk
official
Hello Guest Screen on G2 (unrelated welcome-screen app)g2.com
review
namebio.comnamebio.com
review