Altcha is a spam and abuse protection solution for websites and apps, offering a privacy-friendly Captcha and other tools designed with GDPR compliance to provide strong security while safeguarding user privacy.
Get all 313 companies using Altcha
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Companies
313
Top Country
DE
Top Industry
Consulting
Adoption Insights
Altcha is used by 313 companies in our database, representing approximately 0.01% of all tracked websites. The most common industry using Altcha is Consulting, and adoption is strongest in DE.
Top Countries Using Altcha
Top Industries Using Altcha
Companies Using Altcha
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Aledia | aledia.com | FR | Hardware | 101-250 |
 GravitHy | gravithy.eu | FR | Manufacturing | 11-50 |
 MailInBlack | mailinblack.com | FR | Cyber Security | 11-50 |
 Farmdrive | farmdrive.io | GB | Agriculture | 1-10 |
 Nelisa | nelisa.com | CZ | Employment | 1-10 |
 Neo PLM | neoplm.com | US | Computer | 11-50 |
 Ambarella | ambarella.com | US | Broadcasting | 501-1000 |
 DigitalShark | digitalshark.org | US | Cyber Security | 1-10 |
 Krintz Lawn Care | krintzlawncare.com | US | Landscaping | 11-50 |
 Agilox | agilox.net | AU | Industrial Automation | 251-500 |
Top Alternatives to Altcha
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How We Detect Altcha
The Web Radar detects Altcha by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is Altcha?+
Altcha is a spam and abuse protection solution for websites and apps, offering a privacy-friendly Captcha and other tools designed with GDPR compliance to provide strong security while safeguarding user privacy.
How many companies use Altcha?+
313 companies in our database use Altcha, representing approximately 0.01% of all tracked websites.
What industries use Altcha the most?+
The top industries using Altcha are Consulting, Advertising, Health Care.
What countries use Altcha the most?+
The top countries using Altcha are DE, US, FR.
Is Altcha popular?+
Altcha is used by 313 companies, making it a notable Security technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026