We've curated 50 of the best alternatives to Secur3D, ranked by feature overlap, topic similarity, user ratings, and popularity. Watchdog - AI Content Moderator, Gardian AI, and Elv.ai lead the list as the closest matches.
Updated May 18, 2026
The list includes 44 freemium, 5 paid, and 1 with a free trial, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. Secur3D itself is freemium, which makes freemium alternatives the most natural starting point.
Many of these tools cluster around use cases like Api, Free + From $49.99/mo, Photo Editing, and Content Moderation — the same problem spaces Secur3D addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with Secur3D.
Ranked by compatibility score
Content Moderation
Fully automate content moderation for your X, Discord, Telegram, or Reddit community.
Like Secur3D, Watchdog - AI Content Moderator is in the Content Moderation category. Watchdog - AI Content Moderator is paid, while Secur3D is freemium. Worth comparing on the detail page.
Content Moderation
0 free and 44 freemium options.
5 paid options.
5 paid alternatives to Secur3D on /tools/secur3d/alternatives.
26 additional candidates
Watchdog - AI Content Moderator ranks as the highest-scoring alternative to Secur3D, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 0 fully free and 44 freemium alternatives are available, including ScrapeStorm, PRST.ai, and CPA Pilot.
Watchdog - AI Content Moderator is priced differently (paid) and sits in the same category (Content Moderation). View its detail page to compare features, integrations, and reviews side-by-side.
Top Content Moderation alternatives include Watchdog - AI Content Moderator, Gardian AI, Elv.ai, and Censorfy. These tools share the same primary category and have meaningful topic overlap with Secur3D.
Analyze and moderate content with AI agents
Like Secur3D, Gardian AI is in the Content Moderation category. Gardian AI is paid, while Secur3D is freemium. Worth comparing on the detail page.
Content Moderation
AI-powered comment moderation for faster, smarter engagement.
Like Secur3D, Elv.ai is in the Content Moderation category. Elv.ai is free-trial, while Secur3D is freemium. Worth comparing on the detail page.
Content Moderation
Instant AI content moderation in one HTTP request.
Like Secur3D, Censorfy is in the Content Moderation category. Censorfy is paid, while Secur3D is freemium. Worth comparing on the detail page.
Content Moderation
AI-powered content moderation to protect brands and users.
Like Secur3D, Lasso Moderation is in the Content Moderation category. Lasso Moderation is paid, while Secur3D is freemium. Worth comparing on the detail page.
Content Moderation
AI-powered innovation at your fingertips.
Like Secur3D, FilterX is in the Content Moderation category. FilterX is paid, while Secur3D is freemium. Worth comparing on the detail page.
Webscraping
Extract web data without coding using AI.
ScrapeStorm shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Prompt Management
Self-hosted AI automation for seamless prompt management
PRST.ai shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Finance
AI-powered tax accounting assistant for CPAs
CPA Pilot shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
App Translation
Localize your iOS app in minutes with GPT-4.
Globify shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Book Writing
Revolutionize your writing with one-click book creation.
Book Wizard AI shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Customer Support
Create custom AI chatbots in minutes.
KaraboAI shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Ai Content Detection
Boost your site's credibility with Aithenticate, bringing transparency to AI content.
Aithenticate shares 1 topic with Secur3D: Content Authentication. Both are freemium.
Resume Analysis
AI-powered CV summarization and ranking in seconds.
SummarizeFast shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Client Intake Forms
Create professional intake forms instantly with AI.
Formisoft shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Legal Advice
Legal services, advice, documents drafting, & contracts for SMBs and startups
Cimphony AI shares 1 topic with Secur3D: Free + From $49.99/mo. Both are freemium.
Image Editing
Transform your face with AI in one tap
FaceApp is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Music Creation
AI composer for emotional soundtrack music
Aiva is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Math Problem Solving
Solve math problems step-by-step
Cymath is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Seo Ranking
AI-powered SEO software with actionable recommendations.
Canirank is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Audio Transcription
Multilingual Speech-to-Text API with Superhuman Accuracy
AssemblyAI is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
App Testing
AI-powered automated testing for stable, scalable QA
Testim is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Document Analysis
Uncover insights from text with AI-powered NLP.
Amazon Comprehend is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Background Removal
Remove image backgrounds in 5 seconds with one click
remove.bg is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
38 more free/freemium alternatives listed below. Browse all Secur3D alternatives ↓
44 free or freemium alternatives to Secur3D on /tools/secur3d/alternatives.
Lets Enhance: Image Quality AI is a candidate alternative to Secur3D. Both are freemium. Review its detail page to compare.
Neither Secur3D nor Watchdog - AI Content Moderator has user ratings yet — be the first to review either tool to help future visitors compare them.
