Bluesky vs Threads: Which Should You Use?

When people left Twitter looking for somewhere else to post, two names came up most often: Bluesky and Threads. On the surface they look alike, both offering short text posts, replies, and a following feed. Underneath they represent almost opposite bets about how social media should work. Threads is Meta's product, built on the scale of Instagram. Bluesky is an independent network built on an open protocol. This comparison covers where each genuinely wins.

Origins: independent project vs Meta product

Bluesky began in 2019 as a Twitter-funded research project into an open social standard, then spun out as an independent public benefit corporation. Its purpose from the start was building a protocol, with the app as a demonstration of what that protocol could do.

Threads launched in July 2023 as a Meta product tied to Instagram, and it grew faster than any app before it precisely because it did not start from zero. Instagram users could join in a couple of taps and bring their follower graph with them. That origin explains most of what follows: Threads inherits Meta's scale, its account system, and its approach to algorithmic ranking.

The feed: the difference that matters most

If you only compare one thing, compare this. Threads shows an algorithmic feed by default, heavily populated with recommended posts from accounts you do not follow. Meta has added a Following feed, but the algorithmic view remains the default experience, and recommendations drive most of what people see.

Bluesky defaults to a chronological Following feed: the posts of people you chose to follow, in the order they were posted. On top of that sits its distinguishing feature, custom feeds. Because the AT Protocol separates the algorithm from the data, anyone can publish a feed, and you subscribe to the ones you want. There are feeds for topics, languages, communities, and interests, plus algorithmic ones if you want discovery. If a feed stops serving you, you unsubscribe.

The philosophical difference is real. On Threads, an algorithm is applied to you. On Bluesky, algorithms are a menu you choose from. Our custom feeds guide explains how to find and build them.

Size and reach

Threads is the larger platform, and it is not close. Launching inside Instagram's user base gave it more than 100 million sign-ups within days, a pace no standalone app has matched. Bluesky passed 40 million registered users in 2026, which is substantial but an order of magnitude smaller.

Size is worth putting in context, though. Registered accounts are not active posters on either platform, and reach depends on whether a feed actually shows your posts to anyone. On Threads a large audience exists but the algorithm decides who sees you. On Bluesky the audience is smaller but a chronological feed means your followers reliably see what you post. Many people find engagement per follower higher on Bluesky even though the raw numbers are smaller.

Signing up and account ties

Threads is built around an Instagram account. If you already have one, joining takes seconds and you can carry your existing follows across, which is a genuine convenience. The trade-off is that your presence is tied into Meta's account system, and historically deleting a Threads profile was entangled with your Instagram account, which drew criticism early on.

Bluesky needs only an email address. You pick a handle ending in .bsky.social, or use a domain you own as your handle, which doubles as a form of verification since only the domain owner can configure it. You can check what is available with our handle checker, and our custom domain guide walks through the setup.

Data portability and lock-in

This is where the architectural difference becomes concrete. On Bluesky your identity is a DID, a permanent identifier that is not owned by any server. Your handle is an alias pointing at it, and your posts live in a repository you can move to a different hosting provider without losing followers or history. If you dislike how Bluesky the company operates, the protocol is designed to let you leave while keeping your social graph.

Threads offers nothing equivalent. Meta has been connecting Threads to the ActivityPub fediverse, which lets Mastodon users follow Threads accounts and is a real step toward openness. But that is federation of content rather than portability of identity: you cannot pick up your Threads account and move it elsewhere intact.

Moderation

Threads applies Meta's centralised content policies, enforced at scale largely by automated systems. The advantage is consistency and considerable resourcing. The disadvantages are familiar to anyone who has appealed a Meta decision: the rules are set for you, enforcement can feel opaque, and there is limited recourse.

Bluesky combines a baseline moderation service with composable moderation. Independent labeling services annotate content, and you subscribe to the ones you trust, deciding for each label whether to hide, blur, or warn. You can also build and share mute and block lists so communities can defend themselves collectively. It gives users far more control, at the cost of a system that takes a little effort to configure. See our guide to moderation lists and labelers.

Third-party tools

Bluesky's open API means anyone can build on it, which is why there is a healthy ecosystem of alternative clients, deck-style interfaces, analytics tools, feed builders, and utilities. If a feature is missing from the official app, someone has often built it. Our roundup of the best Bluesky clients and apps covers the notable ones.

Threads has a much more limited third-party surface, consistent with Meta's general approach to platform access. What you get is largely what the official app provides.

Culture

Culture is subjective, but some patterns are widely observed. Bluesky feels more conversational and more willing to engage with strangers, partly because it is smaller and partly because chronological feeds reward replies over broadcast. Communities around science, journalism, art, tech, and various fandoms have taken root strongly.

Threads skews toward the lifestyle, entertainment, and brand-adjacent culture that Instagram fostered, and Meta has openly said it does not want to amplify hard news and politics. If current affairs are why you use a text platform, that positioning matters. If you would rather avoid political argument entirely, some people consider it a feature.

Which should you use?

Threads makes sense if you already live on Instagram, want the largest possible audience, prefer an algorithm doing discovery for you, and do not care about portability or third-party tools.

Bluesky makes sense if you want a chronological timeline by default, want to choose your own algorithms, value being able to move your account and data, like the idea of an open ecosystem, or want a more conversational community.

The genuinely honest answer is that these are not mutually exclusive. Plenty of writers and creators post to both, using scheduling tools to crosspost, and see which audience responds. If you want to do that, our guide on scheduling Bluesky posts covers tools that publish to multiple networks at once. Spend a week actually posting on each, and the choice usually makes itself.

Frequently asked questions

Is Bluesky or Threads bigger?

Threads is substantially larger, having launched from Instagram's existing user base and passed 100 million sign-ups within days. Bluesky passed 40 million registered users in 2026. Registered accounts are not the same as active posters on either platform.

Do I need Instagram to use Threads?

Threads is built around an Instagram account, and signing up through Instagram is the standard route. Bluesky requires only an email address and no other account.

Which has a better algorithm?

They take opposite approaches. Threads shows an algorithmic feed by default that heavily features accounts you do not follow. Bluesky defaults to chronological and lets you subscribe to custom feeds, so you choose the algorithm rather than receiving one.

Can I move my account or data between them?

Bluesky supports genuine portability: your identity is a DID and you can move hosting providers without losing followers or posts. Threads has no equivalent, though it has added ActivityPub federation.

Which is better for growing a following?

Threads offers a larger audience and its algorithm can surface new accounts quickly. Bluesky grows more slowly but through real conversation, with starter packs and custom feeds helping niche accounts find the right people. Many creators simply use both.