
ipinfo.io
ipgeolocation.io
ipapi
ipstack
ipdata.co
ipwhois.io
IP2Location
Free IP Geolocation API - lookup any IP address

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, IP-API.com seems to be more popular. It has been mentioned 34 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ip-api.com | diffyn.com |
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| Company | 2012 | — |
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In their own words, as submitted to SaaSHub.


A simple to integrate Geolocation API that provides information about your users, either directly from a browser or device, or from any of your servers. Provides data such as City, Region, Postal code, Country, Continent, Coordinates, Timezone, Currency, Organization, ISP, AS, if they are using a...
No description of Diffyn yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing IP-API.com and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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Recommendations tracked on public social media and blogs since March 2021.


Free public geo APIs do not love datacenter traffic. My first instinct was to use ip-api.com — it’s the go-to for “what country is this IP” lookups and has a generous free tier. Hooked it up, ran the direct profile, got a clean response.... - Source: dev.to / 4 months ago
The original version used http://ip-api.com — plain HTTP. On a cloud server, that traffic is unencrypted and could be intercepted and spoofed. I switched to https://ipinfo.io which supports HTTPS on the free tier. - Source: dev.to / 7 months ago
In this example, I'll process messages based on their originating IP address. Multiple threads will enrich them with location data fetched from the public API at https://ip-api.com/. - Source: dev.to / 9 months ago
Tracking Diffyn since Jun 2025.
When comparing IP-API.com and Diffyn, you can also consider the following products.


Free IP Geolocation API and Accurate GeoIP Lookup Location Database
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ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
Compare ipstack to IP-API.com or Diffyn:

Get the Geolocation, Organisation, Currency, Timezone, Calling Code, Flag, Proxy, Tor and Threat intelligence data from any IPv4 or IPv6 address.
Compare ipdata.co to IP-API.com or Diffyn:

ipwhois.io is an API that provides a users location (country, region, city, currency, currency symbol etc) based on their IP address. Get the accurate location information with our IP Lookup API and IP Location Database for any IP address.
Compare ipwhois.io to IP-API.com or Diffyn: