NotebookLMReview: talk to your own documents

Gauth is an AI study app for students. It solves problems step by step, tutors you through concepts you don't understand, and builds full lessons on any topic you choose. Those lessons play out on a single endless whiteboard. Chapters open side by side while an AI voice narrates and the board notes write themselves in sync. You can zoom from the full concept map down to a single formula. When you pause to ask the tutor something, the answer appears on the board right under that step and stays there.

DeepCell keeps your spreadsheet, your write-up, and your slides in one file, so the numbers can't drift apart. Start from last quarter's work and the latest data, and you get back a single .deepcell with a spreadsheet, a report, a deck, and a cheat sheet explaining how you got there. Change one assumption and it flows through everything. In the demo, nudging Q4 growth from 15% to 20% moves the forecast from $4.60M to $4.80M in the sheet, the report, and the slide at once. The cheat sheet is the clever part. When someone asks why the slide says 500 orders and the morning report said 480, it points to the 20-unit order that landed at 11:40 and names the file it came from. You build kits through the AI agent you already use, with DeepCell's CLI and MCP connector doing the work. It's free for individuals with no account needed to start. Sign up if you want to keep files past 30 days. Teams is still on a waitlist.

Hemory is a phone app that listens to your day and turns what people said into something you can search. Start it by hand or on a schedule, like weekdays 9 to 6, on iPhone, Android or Apple Watch. It splits your day into meetings, meals, work and small talk, and tells speakers apart by voice. Meetings get proper minutes with decisions and action items. Lunch gets a short note. Ask it what Daniel promised on Tuesday and it answers from the transcripts, in any of 100 languages. Claude Code, Codex, Cursor and other MCP tools can read the same memory with a read-only key. Audio is processed as it streams, and the raw recording stays on your phone or watch. The trial gives you 10 hours of listening. Starter is $10 a month for 20 hours and Pro is $20 for 60. Silence doesn't count. Desktop and web apps aren't out yet.

Iris is an AI agent you text from iMessage. You tell it what you need in an ordinary Messages thread. When it needs access to Gmail, Calendar or Drive, it sends you a link to connect that one account, so there's no setup up front. Anything you ask for often can be saved as a skill and run again later. It can write, code and translate. The free plan includes iMessage, the supported connections, memory and saved skills, and doesn't ask for a card. Plus is a paid monthly plan for longer jobs and scheduled skills. Everything happens over iMessage and SMS, so there's no app or desktop window to learn. That's great if you live in Messages. If you're Android only, or you want an assistant that docks next to your work on a Mac, look at Sider Omni instead.