SkyMarks vs Lumo AI by Proton

SkyMarks is the Bluesky bookmarks app for your iPhone, iPad and Mac. Bluesky is the biggest thing happening in social media in 2025. It seems like everyone is jumping on board, with over 31 million users as of February. When you jump in, though, you may find some things that you miss from your old social networks, like the ability to bookmark a post. It’s a common thing to want to save a post to come back to later. Maybe you want to think a while before responding. Maybe the post has a useful link in it that you want to come back to. Or maybe you just really like the post and want to keep it around. Until Bluesky decides to implement bookmarking itself, SkyMarks can be your Bluesky bookmark manager. To bookmark a post from your browser, just tap the share button (the button with the arrow pointing out of a box) and then select SkyMarks from the list of available options. Once you’ve bookmarked a post, it will be available in SkyMarks whenever you need it. SkyMarks synchs its bookmarks across all your devices that use the same Apple ID. So if you bookmark a post while you’re waiting in line at the grocery store, you’ll find it on your iPad when you’re reading in your living room or your Mac when you’re working at your desk. SkyMarks has robust features to find bookmarked posts. You can search by post text, author name, author handle or even your own notes. You can even search the text in images attached to posts you’ve bookmarked! You can also tag bookmarks and view bookmarks by tag, so you can use SkyMarks for multiple projects and still get to the bookmarks you need when you need them. SkyMarks is free to use and has no in-app purchases. It’s just here to make the transition to Bluesky a little easier for you. If you find a bug or want a feature, please provide feedback. SkyMarks will hopefully one day be open-source. There are a few issues that need to be figured out before its code is released to the public though.

Lumo is a zero-access encrypted AI assistant that keeps every conversation private. Your data is never logged, shared, or used to train models. Your chats are yours, and yours alone. Built by Proton, the privacy brand trusted by over 100 million people and the team behind Proton Mail, VPN, Drive, and Pass. THOUGHTFUL HELP FOR ANY TASK Lumo handles everything from quick questions to more complex work. Choose Fast for quick answers or Thinking for multi-step reasoning. FAST, POWERFUL WEB SEARCH Get precise, real-time answers in seconds. Lumo cites live sources so you can verify facts, dig deeper, and stay current on news, events, financial data, and more. CREATE AND REFINE IMAGES AND FILES Work with images and files just by telling Lumo what you need, from generating and editing images to analyzing documents. Connect your Proton Drive account for seamless access to stored files. AI THAT EVOLVES OVER TIME Lumo gets better every time you use it. Memory retains context and preferences across sessions, and you can set tones and styles to get the exact Lumo experience you want. STAY PRODUCTIVE AND ORGANIZED Projects give you dedicated encrypted spaces for tasks that span multiple chats, files, and instructions, while Custom Lumos let you create assistants tailored for specific tasks. Switch between light and dark modes for a more comfortable experience throughout the day. GHOST MODE For conversations where you want maximum privacy, choose Ghost Mode. Chats are instantly deleted once you close them for greater peace of mind. PRIVACY YOU CAN VERIFY Lumo is founded on zero-access encryption with no server-side chat logs, and never uses your data for profit or model training. Like all Proton products, Lumo is built and hosted in Europe and is fully open-source. Lumo helps you stay productive, curious, and informed — without ever compromising your privacy. Start a confidential chat for free today. For more information, visit our website: https://lumo.proton.me/about Terms of service: https://lumo.proton.me/legal/terms Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our open-source code base: https://github.com/ProtonLumo/ios-lumo