
Hootsuite
Later
SproutSocial
AgoraPulse
Publer
Metricool
ContentStudio
Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.

Pulse Secure
Flexera Software Vulnerability Manager
Tor Browser
StackPath
Avast
OneLogin
AuthAnvil
The easiest way to protect your users from getting hacked

Which is more popular?
Based on our record, Buffer seems to be a lot more popular than Castle. While we know about 61 links to Buffer, we've tracked only 4 mentions of Castle.
Website, pricing, platforms and company facts side by side.
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| Website | buffer.com | castle.io |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Buffer is recommended for small to medium-sized businesses, digital marketers, social media managers, and individuals who need to manage multiple social media accounts. It's also well-suited for teams looking for collaboration tools to improve their social media marketing workflow.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Hootsuite VS Buffer VS Later 2019 | 3 Best Social Media Schedulers
More videos
Kingdom Come, Deliverance, CASTLE review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


A scheduler publishes pins you have already designed and written, at the times you choose: Buffer, Later, Planoly, Hootsuite and Pinterest's own scheduler work this way. An automation tool also makes the pins: it...
Buffer is the friendliest scheduler here, and its free plan (3 channels, 10 scheduled posts each) is enough to try Pinterest scheduling properly. It treats Pinterest like any other network, though: no board sections,...
The best LinkedIn marketing tools depend on the job. A typical B2B stack pairs a content tool such as AuthoredUp or Taplio, a scheduler such as Buffer or Sprout Social, a prospecting tool such as Sales Navigator, and...
We have no reviews of Castle yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I started with Buffer since everyone knows the name. It has been around forever as a scheduler, and now it has a newer GraphQL API that replaced the older, more limited one. - Source: dev.to / 5 months ago
We could have built full autopilot â generate, schedule, post, done. Tools like Buffer and Hootsuite give you scheduling. Some newer tools now offer auto-posting. We deliberately didn't go that route for the first version, and the... - Source: dev.to / 6 months ago
The concept is simple but technically ambitious. We are going to execute a strategy of "dogfooding" (eating our own food). Instead of using third-party tools like Buffer or Hootsuite, we will build a custom distribution engine using the... - Source: dev.to / 10 months ago
This (agent detection) is now a kind of emerging space. Obviously it'll get much more important, too. Other products in the space: - Foil (https://usefoil.com/), I'm biased, a friend is building this - Kasada https://www.kasada.io/ -... - Source: Hacker News / 4 months ago
Castle (https://castle.io) | Senior ML Engineer | Senior R&D Detection Engineer | REMOTE (Europe/EMEA) | Full-time Hi HN! I’m Antoine, Head of Research at Castle. We’re a YC-backed Series A startup helping companies like Canva,... - Source: Hacker News / over 1 year ago
Tell me about the fingerprint, they using castle.io within segment.com ? Or something else? And what they watching? Source: over 3 years ago
When comparing Buffer and Castle, you can also consider the following products.

Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
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Pulse Secure provides a consolidated offering for access control, SSL VPN, and mobile device security. Contact Pulse Secure at 408-372-9600 to get a free demo.
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Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.
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Sprout Social is a social media management tool created to help businesses find new customers & grow their social media presence. Try it for free.
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Tor is free software for enabling anonymous communication.
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