Comparison

Ipengine (IPWho) vs ipapi.is

Ipengine (IPWho) lands on Depends, and ipapi.is lands on Worth it.

Ipengine (IPWho)

Depends

Confidence: Low

Evidence is thin and dated . mostly 2020 self-promotional Reddit posts plus the vendor's own pages . so confidence is low.

Read the full report

ipapi.is

Worth it

Confidence: Medium

Buy if you're a developer or small team needing IP geolocation plus VPN/proxy/hosting detection with a real free tier.

Read the full report

Ipengine (IPWho) versus ipapi.is
Compare	Ipengine (IPWho)	ipapi.is
Verdict	Depends	Worth it
Best for	Homelab and self-hosted setups	Developers embedding IP geo in apps
Who it's not for	Guess: Production apps needing SLAs or uptime guarantees	Non-technical buyers wanting a point-and-click dashboard . it's an API
Privacy	No known public vulnerabilities found in the sources reviewed.^⁷	Brinztech reported a leaked 2.55 GB database; a DPA is published, but no dedicated security page was found.
Support quality	No support evidence in sources	Solo founder, but visibly responsive on Reddit
Public sentiment	Only self-published 2020 Reddit posts describe it as a completely free ipinfo/ipapi alternative; no independent user reviews were found.^²	Developers describe it as a fast, accurate IP API with a useful free tier, and the solo founder is unusually visible and engaged online.¹⁴
Biggest gotcha	No SLA, support terms, or enterprise contracts found in sources^¹	Verify the leaked-database report before relying on it for IP-based security blocking

Pick Ipengine (IPWho) when

Homelab and self-hosted setups
Hobby scripts needing IP geo
Free-tier prototyping before paying ipinfo
Linux admins doing ASN checks

When Ipengine (IPWho) is not a fit

Guess: Production apps needing SLAs or uptime guarantees
Guess: Enterprises needing vendor contracts and compliance
Guess: Teams wanting independently verified accuracy data
Anyone unwilling to accept donation-funded longevity risk

Pick ipapi.is when

Developers embedding IP geo in apps
VPN/proxy/datacenter fraud checks
Projects needing a free daily quota
Security tooling blocking hosting IPs

When ipapi.is is not a fit

Non-technical buyers wanting a point-and-click dashboard . it's an API
Enterprises needing SLAs, account teams, and multi-person support
Anyone making it a primary security control without verifying the leak report
Buyers who conflate it with ipapi.co or ipapi.com . different companies

Sources

ipengine.dev product pageipengine.dev
official
Reddit r/linuxadmin: free alternative to ipinfo/ipapi/ipstackreddit.com
review
Reddit r/homelab threadreddit.com
review
Reddit r/ipv6 threadreddit.com
review
GitHub: ipengine.xyz . free IP lookupsgithub.com
official
Ko-fi: Support ipEngine.ioko-fi.com
official
ipengine.dev security pageipengine.dev
security
Facebook post: ASN lookups on ipengine.xyzfacebook.com
news
ipapi.is homepageipapi.is
official
Documentation for Developersipapi.is
official
About . credit policyipapi.is
official
Data Processing Agreementipapi.is
official
Reddit AMA: solo project at $20k MRRreddit.com
review
Hacker News recommendation threadnews.ycombinator.com
review
Warmly: company-name accuracy comparisonwarmly.ai
review
Capterra listingcapterra.com
review