Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

Truecaller
CallApp
Hiya
Caller ID & Call Blocker
Nomorobo
Callro
Call Blocker: Block spam calls
The first app to block telemarketers automatically in iOS
Which is more popular?
Based on our record, Mockaroo seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Mockaroo
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| Website | mockaroo.com | callblockapp.com |
| Pricing | — | |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Mockaroo and Callblock. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of Mockaroo yet. Be the first one to post
CallBlock is a software that can block calls if it identifies it as spam. But it is not an app like TrueCaller that can identify random numbers. But the app makes it here on this list because it has a really strong...
Callblock is a simple call blocking app for iOS devices with its headlining feature being the ability to block spam calls. Do note that this is not a caller ID app which means that it cannot identify unknown numbers....
Recommendations tracked on public social media and blogs since March 2021.

If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Tracking Callblock since Mar 2021.
When comparing Mockaroo and Callblock, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Find a person by a name or phone number worldwide for free using Truecaller.
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Faker is a PHP library that generates fake data for you
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Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
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Know who's calling or texting and block spammers on Android
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