Eristotle: Reflective AI Diary
Guided Journal, Insight & Chat
About
This app transforms your thoughts into an AI-indexed knowledge base, offering insights, pattern detection, and semantic search. It acts as a conversational AI companion, allowing you to chat via text or voice, and can convert conversations into journal entries. Visualize your emotional trends and enjoy privacy-first, offline encryption.
What's New in Eristotle
2.3
February 13, 2026
Jump Right In Sign-In is no longer required so you can jump right into journaling. Pretty Simple New Glass versions of each theme: Primarily White in Light Mode, Black in Dark mode with themed accents. Mac Catalyst Support All features available on Mac. Discover Books & Podcasts Get personalized book, podcast, and article recommendations based on your journal patterns. Find them in Trends → Discover. OpenRouter BYOK users can now use an OpenRouter API key to access multiple AI providers and models. Enjoy consolidated billing and usage with all the freedom of choice and just one API key. Voice Journaling Improvements Need to stop during a recording session? Save your voice memo as draft and come back to it later. Replay what you already recorded, pick up right where you left off. Automatic Agent Setup We put Voice Chat in your hands to protect your privacy. Now we set up your agent automatically so you can start chatting with less complexity. Making Eristotle Easy to Try Out Import from Day One (JSON and TXT/Markdown). Eristotle provides bulk AI Analysis for all imported entries. Added Features for BYOK API token usage tracking and cost estimation for BYOK users. Privacy Updates To protect user privacy, Premium users can now only access Voice Chat using their own ElevenLabs API key and Agent ID (BYOK Guide: https://eristotle.app/guides/byok-setup/). Data Recovery Added encrypted backups for offline data recovery. Use this to backup your data, especially if you choose not to use iCloud or in case you lose access to your iCloud account. Bug fixes & UI/UX improvements
MoreSubscription plans
BYOK
Bring Your Own Key
FAQ
What is Eristotle?
Eristotle is an AI-powered journaling app that transforms your thoughts into an indexed knowledge base. It offers features like pattern detection, smart recommendations, and a conversational AI companion to help you gain insights into your emotional history and growth.
How does Eristotle use AI?
Eristotle uses AI to analyze your journal entries, identify recurring themes and emotional patterns, provide personalized prompts, and enable semantic search. The AI companion can also reference your journal history in conversations.
Can I use Eristotle offline?
Yes, Eristotle is designed with local-first storage and end-to-end encryption, meaning your journal works offline and your data remains under your control.
What are the subscription options for Eristotle?
Eristotle offers both monthly and yearly subscription plans, including 'Premium' and 'BYOK' (Bring Your Own Key) options. Both offer a 14-day free trial.
Does Eristotle have ads?
No, Eristotle does not contain advertisements. The app is free to download and offers optional in-app purchases and subscription plans for enhanced features.
What devices does Eristotle support?
Eristotle is available on iPhone and iPad, allowing users to journal and access their insights across multiple Apple devices.
How often is Eristotle updated?
The latest version of Eristotle is 2.3, which was last updated on February 13, 2026. Updates typically bring new features, performance improvements, and bug fixes.
What is the age rating for Eristotle?
Eristotle has an age rating of 12+, making it suitable for teenagers and adults looking for a tool to understand their thoughts and emotions.