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Best Courses. Top Institutions. Learn anytime, anywhere.

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AI comment moderation, auto-reply and comment management for Facebook, Instagram, TikTok and YouTube. Grow organic reach on posts, and put a sales agent under ads to answer buying questions and hide click-killing comments.

Which is more popular?
Based on our record, edX seems to be more popular. It has been mentioned 235 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | edx.org | reply200.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of edX yet.
Reply200 is an AI comment moderation and auto-reply tool for Facebook, Instagram, TikTok and YouTube comments. It supports Facebook Pages, Instagram professional accounts, TikTok accounts and YouTube channels from one cloud dashboard. It is for creators, influencers, media buyers, agencies and...
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
edX is recommended for learners who are looking for high-quality educational content from reputable sources, individuals seeking to enhance their professional skills through verified certificates, lifelong learners interested in expanding their knowledge across various fields, and those considering pursuing a flexible and affordable online degree program.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
The Best Open Online Courses - Coursera, Udacity, edX Review
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing edX and Reply200.
Reply200's answer:
Reply200 builds a Voice Replica from your captions, past replies, media and page info, with no prompts or templates to write first. For each comment, it chooses reply, hide, react or leave alone. It stays silent when it is not certain, so it does not guess at page facts.
Reply200's answer:
Most tools make you build FAQs, rules, flows and tone guidance before they help. Reply200 starts from the page's own footprint and adapts by placement, so posts and ads get different handling. It also separates Moderate and Engage, with both on by default per page and Business Manager. Pricing starts at $29/month with no seat fees.
Reply200's answer:
The primary audience is creators and influencers who need more reach and engagement on organic posts. It also fits media buyers, agencies and brands with heavy comment activity. Use it when public comments affect reach, trust, ad click-through rate or team workload.
Reply200's answer:
Vue 3 and TypeScript on the front end. Large language models handle classification and reply writing, wrapped in a proprietary engine: a categorization layer that classifies every comment by category, intent and tags, a decision layer that picks one action per comment (reply, hide, react or leave alone) from that classification and the placement (ad, organic post or live stream), a per-page Voice Replica built from the page's public footprint, and a retrieval pipeline (RAG) over the per-page context library and the post's own media and caption, so replies are grounded in facts. Comments are read and acted on through the official Meta Graph API, TikTok API and YouTube Data API. Billing runs on Stripe.
Reply200's answer:
Reply200 started inside a media buying team, with a pain we still solve today. Ads were pulling hundreds of comments a day, and every one of them sat there deciding whether the next person clicked. Buying questions about shipping, sizing and price went unanswered. Competitor pitches, scam accusations and abuse stayed visible under the creative for days. Relevance scores slipped, CPMs rose, and the only fixes on offer were hiring moderators, which did not scale, or templated auto-replies, which read as bots and cost trust.
So we built the tool we needed: an agent that answers buying questions in the page's own voice, hides the comments that kill conversions the moment they appear, and stays quiet when it has nothing reliable to say. Once it worked under ads, the same engine went onto organic posts, and the second effect showed up: threads that get answered keep distributing.
Today Reply200 handles comments for media buyers, creators, agencies and brands across Facebook, Instagram, TikTok and YouTube, on ads, posts and live streams.
Share your experience with using edX and Reply200. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


edX is one of the most popular learning platforms today. With collaborations with top universities and institutions from around the world and well-known tutors, the platform provides quality education to people...
edX is the brainchild of alumni of MT, Harvard, Stanford, etc. This online platform focuses on adding value by providing high-quality courses on programming, data science, computer sciences, etc. You will find...
In 2012, Harvard and MIT established EdX, a nonprofit platform that hosts high-quality courses from more than 100 universities, organizations, and non-profits. It serves a worldwide student body by providing access to...
We have no reviews of Reply200 yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Let me know what you think and if you have suggestions to resolve that bug. I'm learning programming and have next to no python experience, I am taking CS50 through edx.org and the AI at chatgpt did most of the work. Source: about 3 years ago
Im sorry man I want to be sympathetic but people like you cost an incalculable amount of people far more than you could even imagine and I truly believe that if hell exists you will be going there. I am serious though about seeking... Source: about 3 years ago
Khanacademy.org is a fantastic resource for math, as well as many other courses. If you have access to the internet, try taking some of the courses there. They mirror what is taught in public schools with classes for all grade levels.... Source: over 3 years ago
Tracking Reply200 since Mar 2026.
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