Comparison

Eristotle vs Shadow Self

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Eristotle

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.

Highlights
  • AI-indexed knowledge base
  • Pattern detection and smart recommendations
  • Conversational AI companion (text & voice)
  • Semantic search for entries
  • Visual emotion trends and summaries
  • Offline encryption and local-first storage
  • BYOK for AI models
Features
Read full description

Eristotle transforms your scattered thoughts and memories into a powerful, AI-indexed knowledge base. Every entry you create is automatically analyzed, categorized, and connected, giving you instant access to your emotional history and unlocking intelligent features powered by deep contextual understanding. EVERY JOURNAL HAS INSIGHTS Eristotle doesn't just store your entries, like a traditional notebook—it builds a comprehensive, searchable database of your inner thoughts. CONTEXT-AWARE AI FEATURES Your indexed journal becomes the foundation for intelligent insights. Pattern Detection: AI identifies recurring themes, triggers, and growth areas across your entire history Smart Recommendations: Get personalized prompts based on your writing patterns and emotional trends Follow-Up Notifications: Contextual check-ins based on text chats with AI Semantic Search: Asking "when was I anxious about work?" pulls up the most relevant entries, ready to view Smart Reflections: AI connects dots across months or years of entries to reveal insights you'd never see manually CONVERSATIONAL AI COMPANION Talk through your thoughts—your AI knows your history. Text Chat: Have meaningful conversations with an AI that understands your emotional patterns and can search your entire journal history Voice Chat: Real-time voice conversations powered by ElevenLabs—talk naturally and hear personalized responses Journal-Aware Responses: Your AI companion can search and reference specific entries during conversations, providing context you'd forgotten Save to Journal: Transform meaningful conversations into journal entries with a single tap Personalized Memory: Your AI remembers your name, recognizes patterns, and references your growth over time Follow-Up Check-ins: Receive thoughtful notifications based on topics discussed in your conversations MULTIPLE WAYS TO JOURNAL Express yourself however feels natural—Eristotle indexes it all. Manual & Quick Entries: Traditional journaling and Writing Prompts Text & Voice Chat: AI conversations can be made into entries Voice Memos: Record your thoughts and get automatic transcription Reflections: Entires made from Smart Recommendations Scribbles: Write entries with Apple Pencil on iPad VISUAL INTELLIGENCE See patterns emerge from your indexed data. Emotion Trends: Visualize how feelings shift across days, weeks, or months Intensity Heatmaps: Identify your most challenging and rewarding periods Weekly & Monthly Summaries: AI synthesizes your indexed entries into actionable insights Year in Review: Comprehensive analysis of your emotional journey PRIVACY-FIRST - OFFLINE ENCRYPTION Your searchable database stays yours—always encrypted, always secure. End-to-End Encryption: All data is encrypted on your device Local-First Storage: Your journal works offline and your data remains under your control Bring Your Own Key (BYOK): Use your own API keys from OpenAI, Anthropic, Google Gemini, Voyage AI, and ElevenLabs Optional iCloud Sync: Sync your journal across Apple devices Complete Export: Take your entire indexed database with you (PDF, Markdown, JSON, Plain Text) Encrypted Export: Create an encrypted file of your journal and restore any time, even offline. A perfect failsafe in case you ever lose access to your iCloud account. FLEXIBLE AI INTEGRATION Choose your intelligence, or choose none. Apple Intelligence: On-device offline AI for maximum privacy Cloud AI Providers: GPT, Claude, or Gemini for advanced analysis BYOK Control: Use your own keys for complete data ownership Options: You can control which AI features you want. All, some, or none. Start building a searchable knowledge base of your inner thoughts. Make writing about your life easy, and learning about yourself effortless. Privacy Policy: https://eristotle.app/privacy/ Terms of Use: https://eristotle.app/terms/ Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Shadow Self

Explore your hidden self with an AI companion trained in Jungian psychology. Discover your shadow archetype, engage in deep conversations, and use tailored exercises to understand and integrate this part of your personality. Your journey is private and stays on your device.

Highlights
  • AI companion for shadow discovery
  • Jungian shadow archetype identification
  • Personalized shadow work exercises
  • Deep one-on-one conversations
  • Private journaling for breakthroughs
  • Behavioral pattern analysis
Features
Read full description

There's a part of you that runs in the background shaping your choices, your reactions, your relationships without you ever seeing it clearly. Shadow Self helps you find it. Through Sage, an AI companion trained in Jungian psychology, you discover your shadow archetype: the hidden pattern beneath your behavior. Then you learn to work with it. What you get: Your shadow archetype from six Jungian archetypes Deep one-on-one conversations with Sage Journal to track patterns and breakthroughs Shadow work exercises tailored to your archetype Deep Analysis: behavioral patterns, root causes, integration plan Private by design. No account required. No data sold. Your conversations stay on your device.

Screenshots

Eristotle4 screens
Shadow Self4 screens

Verdict

The call

The clearest difference is in-app purchases: Shadow Self at none against Eristotle's 4. Shadow Self also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (15.0 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Eristotle sells 4 in-app purchases, starting at $3.00 per month. Shadow Self asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Eristotle against 5.0 for Shadow Self. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Eristotle ships an update every 2 weeks, Shadow Self every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
Eristotle versus Shadow Self: the parameters behind the verdict, then further details
ParameterEristotleShadow Self
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 2 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.215.0 — better
Further details — not scored
Size76 MB7 MB
Age rating12+17+
DeveloperYokii Studioyehuda breuer

In-app purchases

4 purchases

Eristotle

Subscriptions4
  • BYOK14 Days trial$3.001 Month
  • Premium14 Days trial$5.001 Month
  • BYOK Yearly$30.001 Year
Show 1 more
  • Premium 12-Months$50.001 Year
None

Shadow Self

No in-app purchases

Questions

Is Eristotle free?
Eristotle is free to download, with in-app purchases available.
Is Shadow Self free?
Shadow Self is free to download, with no in-app purchases.
Which has better reviews, Eristotle or Shadow Self?
Eristotle and Shadow Self are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Eristotle or Shadow Self have ads?
Neither Eristotle nor Shadow Self shows ads.
Which is updated more often, Eristotle or Shadow Self?
Eristotle ships an update every 2 weeks, and Shadow Self every 6 days. Most recently, Eristotle was updated on October 30, 2026 and Shadow Self on October 31, 2026.

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