The Moment Decentralized Social Media Arrives
Trying to step away from billionaire-controlled platforms feels like walking into a fog. You want freedom from ads, algorithmic manipulation, and data mining. But where do you go? Mastodon? Bluesky? Threads? Each promises a better experience, yet choosing one feels like picking a favorite child. A new tool called Indigo aims to solve this by pulling multiple decentralized networks into a single interface. This open social web app lets you explore both Mastodon and Bluesky without switching between apps. It treats the open social web as one ecosystem, not a collection of walled gardens.
Decentralized social media is having a genuine moment. People are waking up to the fact that they can own their feed, choose their moderation policies, and control who sees their posts. The technology has existed for years, but adoption stalled because navigating different protocols felt like learning multiple languages. Indigo addresses that fragmentation directly. It brings together ActivityPub (used by Mastodon and Threads) and the AT Protocol (used by Bluesky) under one roof.
Why the Open Social Web Needs a Unifier
The decentralized web grew organically, which created a mess of incompatible islands. Mastodon rose to prominence after Twitter’s acquisition, offering server-based communities. Bluesky launched later with a different protocol, attracting users who wanted a cleaner, more modern experience. Both networks have passionate advocates. But for the average person, maintaining accounts on both meant juggling two apps, two timelines, and two notification systems. This friction slowed mainstream adoption.
Enter Indigo, an open social web app developed by Soapbox Software. The same team behind Croissant (a cross-posting tool) applied their lessons to build a full client. Co-creator Ben McCarthy, known for the Obscura photography apps, brought a design sensibility that prioritizes clarity. The result is an app that doesn’t force you to pick a side. Instead, it weaves both networks into a unified experience.
Meet Indigo: A Unified Open Social Web App
Indigo launched recently on iPhone, iPad, and Mac. Its core promise is simple: access your Mastodon and Bluesky accounts from one place. You get a single timeline that blends posts from both networks. Bluesky profiles appear with a blue outline, Mastodon profiles with purple. This visual cue helps you quickly identify the source without breaking flow.
The unified composer lets you write one post and send it to both networks simultaneously. You can also choose to post to only one. Cross-posting isn’t automatic — you decide each time. This flexibility matters because not every message fits every audience. A technical discussion might resonate more on Mastodon, while a casual update works better on Bluesky. Indigo respects those nuances.
The Unified Timeline Experience
When you open Indigo, you see a reverse-chronological feed of posts from both networks. New items appear at the top. An auto-scroll feature keeps you current without manual refreshing. You can also pull down to fetch older content. The timeline syncs across your devices if you enable the paid subscription feature. That means you can start reading on your iPhone and continue later on your iPad without losing your place.
Each post displays the network origin through the colored profile outline. Replies, likes, and boosts also carry that color coding. This system prevents confusion when interactions from one network reference someone on the other. The unified timeline is not just a gimmick — it solves the core fragmentation problem that makes decentralized social media feel scattered.
Key Features That Make This Open Social Web App Unique
Cross-Posting and Device Sync
Cross-posting is the headline feature. Indigo lets you share content to both Mastodon and Bluesky (and indirectly to Threads via ActivityPub) from one composer. You can attach images, link previews, and alt text. The app handles character limits gracefully, truncating or warning if a post exceeds one network’s limit. This eliminates the manual double-posting that many creators currently endure.
Device sync requires a paid subscription. At $4.99 per month, $34.99 per year, or a one-time $119.99 purchase, this feature syncs your timeline position, mute lists, and custom feeds across all your Apple devices. For power users who switch between phone and laptop throughout the day, this convenience justifies the cost. The subscription also unlocks trend tracking across both networks, which we’ll discuss shortly.
Trend Tracking Across Networks
Trends on Mastodon and Bluesky rarely overlap. Mastodon trends are server-specific and often community-driven. Bluesky trends emerge from its larger, more diverse user base. Indigo aggregates trending topics from both networks into a single view. This gives you a broader pulse of the open social web. Instead of checking Mastodon’s trending page then Bluesky’s, you see everything in one place. The trend tool is part of the paid tier, which makes sense because maintaining real-time aggregators costs server resources.
Mute and Filter Controls
Noise is inevitable on any social platform. Indigo provides granular tools to quiet it. You can mute specific users, keywords, or even entire instances (servers). Filtering replies lets you hide replies from people you don’t follow, reducing clutter. The app also supports hiding NSFW content, which can be toggled on or off. These controls work across both networks, so muting a keyword on Mastodon also suppresses it on Bluesky. This unified moderation is a subtle but powerful feature.
Custom Feeds and Lists
Mastodon and Bluesky both allow custom feeds and lists, but they live in separate silos. Indigo pulls them into a single “More” menu. You can access your Mastodon lists, Bluesky feeds, and any saved bookmarks from one place. Switching between them takes a single tap. For someone who follows different topics on each network — say, design on Mastodon and photography on Bluesky — this consolidation is a game changer.
Dark Mode and Accessibility
Indigo includes a dark mode that respects system settings or can be overridden. The interface uses native iOS and macOS design language, so gestures and navigation feel familiar. Font sizes are adjustable, and the app supports VoiceOver for screen readers. These details matter for an audience that values ethical technology — accessibility is part of the open web ethos.
Universal Search
Searching across Mastodon and Bluesky traditionally required hopping between apps. Indigo’s universal search queries both networks simultaneously. You can search for users, hashtags, or keywords across both databases. Results are sorted by network, again with color coding. This feature alone saves minutes each day for active users who monitor discussions across both ecosystems.
Pricing and Sustainability Model
Indigo is free to download and use for basic browsing. The free tier includes the unified timeline, notifications, mute/filter controls, and access to custom feeds. Paid subscription unlocks cross-posting, device sync, and trend tracking. The $4.99 monthly price is comparable to other premium social apps. The $119.99 lifetime option appeals to those committed to the open social web as a long-term lifestyle.
Why charge at all? Because open social tools need sustainable funding. Without subscriptions, apps rely on venture capital or data monetization — both of which conflict with the values of the decentralized web. Indigo’s model keeps the app independent and privacy-respecting. The team behind it has a track record of building ethical tools (Obscura, Croissant), so the subscription fee feels like a fair trade for ongoing development.
Who Is This Open Social Web App For?
Content Creators Managing Cross-Platform Audiences
Imagine a writer who posts tech commentary on Mastodon and casual photography on Bluesky. Previously, they maintained separate schedules and notification checks. With Indigo, they can draft one post, send it to both networks, and monitor engagement from a single notification drawer. The unified timeline ensures they never miss replies from either audience. For creators who treat their online presence as a portfolio, this efficiency is invaluable.
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Privacy-Conscious Users Leaving Big Tech
Someone tired of Facebook’s tracking or Twitter’s algorithm might want a fresh start but feel overwhelmed by server choices. Indigo lowers the barrier by providing a consistent interface regardless of which Mastodon instance you join or whether you use Bluesky. You don’t need to learn two apps. You just need one open social web app that abstracts away the protocol differences. The privacy focus extends to Indigo’s own data handling — the app does not collect personal information or sell ad space.
Community Organizers Building Across Networks
Consider a volunteer coordinating a local event. They have followers on Mastodon (where the tech crowd lives) and Bluesky (where journalists hang out). To keep everyone informed, they need to post updates to both. Indigo’s cross-posting ensures consistent messaging. The unified notification feed lets them respond to questions from either network. And the filtering tools help them block spam or off-topic replies. For grassroots efforts that rely on distributed communication, Indigo acts as a central command post.
How to Get Started with Indigo
Download Indigo from the App Store on iPhone, iPad, or Mac. The app requires iOS 16 or later and macOS Ventura or later. After installation, you sign in with your Mastodon account (enter your instance URL and authorize) and/or your Bluesky account. You can add multiple accounts from either network. The app will then build your unified timeline based on your follows.
To enable cross-posting, navigate to the composer settings. You can choose to automatically post to both networks or manually select each time. The paid subscription is triggered when you first attempt to cross-post or sync devices. A seven-day free trial is available if you want to test the premium features before committing.
Customize your experience by setting up filters. Go to the mute list and add keywords relevant to your interests (e.g., “spoilers” or “politics”). You can also create custom feeds within the app — for example, a feed that shows only posts from Bluesky with a specific hashtag. These feeds sync to your other devices if you have the subscription.
Notification management is straightforward. Indigo groups notifications by network but presents them in a single chronological list. You can mute notifications per account or per app. The app uses standard iOS notification badges, so you always know when something demands attention.
The Bigger Picture: Interoperability as a Standard
Indigo is not the first app to bridge decentralized protocols, but it is one of the most polished. Its existence points to a future where social media protocols become like email — you don’t care if someone uses Gmail or Outlook, you just email them. Similarly, you shouldn’t care whether a friend is on Mastodon or Bluesky; you should be able to interact seamlessly. Indigo takes a step toward that vision by providing a unified client.
Questions remain about long-term protocol compatibility. Threads (Meta) uses ActivityPub but has not fully federated with Mastodon. Bluesky’s AT Protocol is still evolving. Indigo’s developers will need to keep pace with changes. However, the app’s subscription revenue provides a runway for ongoing development. Ben McCarthy and his team have already shown they can iterate quickly, as demonstrated by the improvements over Croissant.
For the average user, Indigo simplifies a complex landscape. It answers the question “Where should I go?” with “Both, and here’s one app to manage it.” That convenience may be what finally draws mainstream users into the decentralized web. The open social web app market is still young, but Indigo is setting a high bar for what a multi-protocol client can achieve.
Indigo’s Place in the Open Social Ecosystem
The open social web needs more than just protocols — it needs accessible tools. Indigo fills that gap by offering a native, well-designed client that respects user freedom. It does not lock you into its ecosystem; you can still use official Mastodon or Bluesky apps if you prefer. But for those who want a unified experience, Indigo is currently the best option on Apple devices.
As more people migrate from centralized platforms, tools like Indigo will determine whether the shift feels like a liberation or a chore. By making the decentralized web feel as coherent as traditional social media, Indigo reduces friction. The app’s color-coded posts, cross-posting capability, and unified search are not just features — they are bridge components connecting two growing communities. Whether you are a creator, an organizer, or just someone tired of billionaire-owned networks, Indigo offers a practical way to explore the open social web without needing to choose a single home.
