Comparison

Lucidity vs AI Journal & Diary

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

Head to head
About

Lucidity

Explore the meaning of your dreams with AI-powered analysis and a private dream journal. Learn to achieve lucid dreaming through guided lessons and track your progress with insightful statistics. Your dreams are kept private and accessible offline.

Highlights
  • AI dream analysis
  • Private dream journal
  • Lucid dreaming guide
  • Reality check reminders
  • Dream symbol tracking
  • Offline functionality
  • Passcode/Face ID lock
Features
Read full description

Understand what your dreams mean, remember them every morning, and learn to lucid dream. Lucidity brings AI dream interpretation, a private dream journal, and a step-by-step lucid dreaming guide together in one calm app. AI DREAM INTERPRETATION & MEANING Write or record a dream and get a personal interpretation in seconds: • AI dream analysis: discover the meaning behind recurring dreams, nightmares, and vivid dreams. • Personal dream dictionary: symbols, themes, characters, and places are extracted automatically from every entry. • Emotion wheel: see your dream emotions mapped on Plutchik's wheel and how they connect to your waking life. LEARN LUCID DREAMING STEP BY STEP A structured journey with morning and evening lessons, for beginners and experienced dreamers: • Proven techniques: MILD, WILD, SSILD, and WBTB, with guided practice screens. • Reality check reminders: build the habit that wakes you up inside your dreams. • Learn the science: REM sleep, sleep cycles, dream recall, and dream control in bite-sized lessons. YOUR PRIVATE DREAM JOURNAL • Write or voice-record your dreams the moment you wake up, before they fade. • Streaks, reminders, and a calendar heatmap keep your journaling habit alive. • Charts and stats: track dream recall, lucidity rate, sleep quality, and your top dream symbols. • Search your whole journal by symbol, mood, lucid tag, or date. 100% PRIVATE BY DESIGN Your dreams belong to you. Your journal stays on your device, works offline, and can be locked with a passcode or Face ID. MORE • Export your dream journal as a PDF. • Dark themes made for late-night and early-morning writing. FREE TO USE, PRO WHEN YOU'RE READY Lucidity is free to download, and the dream journal and most features are free to use. Upgrade to Lucidity Pro (subscription or one-time Lifetime purchase) to unlock unlimited AI dream analysis, the full lucid dreaming course, and more. Start tonight: record your first dream, discover what it means, and take your first step toward lucid dreaming. Terms & Conditions: https://luciditydreams.com/terms/

About

AI Journal & Diary

Features
Read full description

Echo is your private AI companion for voice journaling, journaling, and self reflection. Some thoughts are easier to say than write. Whether you're reflecting on your day, processing emotions, tracking your mood, organizing your thoughts, or simply clearing your mind, Echo is always here to listen. Turn your voice into a personal journal that helps you better understand yourself. Speak naturally, revisit your memories, discover emotional patterns, and build a healthier habit of daily reflection in a completely private space. Speak. Reflect. Understand Yourself. Voice journaling feels natural. Instead of typing into a diary, simply start talking. Echo transforms your voice entries into meaningful insights, helping you recognize recurring emotions, habits, moods, and topics over time. Prefer writing? Echo also lets you create traditional journal entries and private diary notes. Switch freely between voice journaling and written journaling depending on how you feel each day. Whether you use Echo as a voice journal, diary, mood tracker, gratitude journal, daily journal, dream journal, or self reflection companion, every entry helps you understand yourself a little more. Features Record unlimited voice journal entries in seconds. Write manual journal entries and personal diary notes whenever you prefer typing. Receive AI powered insights based on your conversations and journal entries. Track your emotions and moods over time. Visualize your emotional journey with beautiful charts and mood graphs. Discover recurring feelings, habits, routines, and emotional patterns. Search previous journal entries, memories, and reflections instantly. Organize your thoughts with a clean and intuitive journal timeline. Review daily, weekly, monthly, and yearly emotional trends. Create a consistent journaling habit with reminders and daily check ins. Keep all your journals, diaries, voice recordings, and personal notes private and secure. Why Voice Journaling? Speaking captures emotions exactly as you feel them. Your voice naturally expresses thoughts that are often difficult to write. Voice journaling makes it easier to process emotions, reduce mental clutter, and create a meaningful record of your personal journey. Over time, Echo helps you identify emotional trends through detailed mood tracking and easy to understand visualizations. Watch how your happiness, stress, anxiety, confidence, gratitude, motivation, and overall emotional wellbeing evolve with interactive charts and statistics. Echo is more than a diary. It becomes your personal reflection companion, helping you notice what improves your mood, what creates stress, and what habits have the biggest impact on your emotional wellbeing. Perfect For Voice journaling Daily journaling Private journal Private diary Personal diary Mood tracking Emotion tracking Daily reflection Self reflection Mental wellness Mindfulness Gratitude journaling Personal growth Organizing your thoughts Capturing memories Tracking habits Understanding emotions Building healthy routines Echo is designed for anyone who wants a safe and private space to think out loud, write freely, understand their emotions, and grow every day. Your journal stays yours. Your voice stays yours. Your story stays yours. Download Echo today and discover a more natural way to journal with your voice, write your thoughts, track your moods, and better understand yourself. (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lucidity4 screens
AI Journal & Diary4 screens

Verdict

The call

The clearest difference is ads: AI Journal & Diary at none against Lucidity's shown. AI Journal & Diary also leads on update cadence (every 5 days vs every 10 days) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support 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. Lucidity sells 10 in-app purchases, starting at $4.99 per 7 days and AI Journal & Diary sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lucidity ships an update every 10 days, AI Journal & Diary every 5 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Lucidity versus AI Journal & Diary: the parameters behind the verdict, then further details
ParameterLucidityAI Journal & Diary
PriceFreeFree
Rating4.6 (25 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings25 — better—
Update frequencyEvery 10 daysEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size101 MB55 MB
Age rating4+4+
DeveloperChristopher BenzJulien Jennequin

In-app purchases

10 purchases

Lucidity

Subscriptions8
  • Lucidity Pro Weekly3 Days trial$4.997 Days
  • Lucidity Pro Weekly7 Days trial$4.997 Days
  • Lucidity Pro Monthly3 Days trial$12.991 Month
Show 5 more
  • Lucidity Pro - Monthly$12.991 Month
  • Lucidity Pro Yearly - Affiliate3 Days trial$42.991 Year
  • Lucidity Pro Yearly7 Days trial$48.001 Year
  • Lucidity Pro Yearly3 Days trial$49.991 Year
  • Lucidity Pro Annual$59.991 Year
One-time2
  • Lucidity Pro Lifetime Access$89.99
  • Lifetime Pro$119.99
2 purchases

AI Journal & Diary

Subscriptions2
  • VoxIota Premium3 Days trial$3.991 Month
  • VoxIota Premium3 Days trial$24.991 Year

Questions

Is Lucidity free?
Lucidity is free to download, with in-app purchases available.
Is AI Journal & Diary free?
AI Journal & Diary is free to download, with in-app purchases available.
Do Lucidity or AI Journal & Diary have ads?
Lucidity shows ads; AI Journal & Diary does not.
Which is updated more often, Lucidity or AI Journal & Diary?
Lucidity ships an update every 10 days, and AI Journal & Diary every 5 days. Most recently, Lucidity was updated on October 30, 2026 and AI Journal & Diary on October 28, 2026.

Other comparisons