Solid Diary is an AI-powered journaling app designed to support mental health, self-awareness, and emotional well-being. Available on iOS, it combines mood tracking, AI summaries, and reflective prompts to help users better understand their thoughts and feelings.
With each entry, the app uses AI to analyze tone, extract emotions, and generate summaries or personal insights. Unlike traditional journaling tools, Solid Diary aims to provide not just a space to write—but also a structured, psychologically mindful journey. Perfect for anyone looking to create a meaningful, consistent reflection practice supported by thoughtful technology.
| Solid Diary Review Summary | |
| Performance Score | A |
| Content/Output | Emotionally Intelligent & Reflective |
| Interface | Calm, Intuitive, Focused |
| AI Technology |
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| Purpose of Tool | Encourage healthy journaling habits and emotional insight through AI-guided entries |
| Compatibility | iOS Only (iPhone) |
| Pricing | Free plan + Paid subscriptions (via in-app purchase) |
Who is Best for Using Solid Diary?
- Mental Health Advocates: They are using it to track emotions daily, reflect on patterns, and gently boost their emotional intelligence.
- College Students: They rely on it for mental clarity and stress reduction by expressing feelings during high-pressure academic routines.
- Working Professionals: They use it to decompress at the end of the day, reflect on work-life balance, and practice gratitude mindfully.
- Mindfulness Practitioners: They enjoy pairing it with meditation or yoga routines to log insights, energy shifts, and moments of self-awareness.
Solid Diary Key Features
| AI Mood Detection | Daily Emotional Summary | Smart Prompt Suggestions |
| Reflective Writing Insights | Personal Word Cloud | Mood History Graphs |
| Daily Streak Tracking | PIN & Face ID Security | Export to PDF/Text |
| Minimal, Distraction-Free Interface |
Is Solid Diary Free?
Yes, Solid Diary offers a free version with core journaling and emotion analysis features. For deeper insights, historical mood trends, and unlimited entries, paid plans are available via in-app purchase.
Pricing Plans
- Premium Plan – In-App Subscription: Unlimited journal entries, Full mood and pattern analytics, Enhanced AI summaries, Secure cloud backup, Priority access to new features. Pricing varies by region (e.g., monthly or yearly billing via Apple Subscriptions).
Solid Diary Pros & Cons
Pros
- Beautifully designed, calming interface
- AI summaries and prompts support deeper reflection
- Great for building daily mental health habits
- Strong privacy with PIN and Face ID lock
- Available offline for distraction-free writing
Cons
- iOS only, no Android version
- Free version has limited entry history
- No real-time therapist or chat features
- Lacks export to external wellness platforms
FAQs
Does Solid Diary work offline?
Yes, you can use the app without an internet connection. All entries sync when you’re back online.
Can the AI detect my mood accurately?
It uses NLP and sentiment analysis to interpret your writing, providing surprisingly accurate mood summaries and reflections.
Is my data private and secure?
Yes, Solid Diary offers PIN and Face ID protection along with local device storage and iCloud backup options.
Can I export my journal entries?
Yes, entries can be exported to PDF or text formats for backup or review.
Is Solid Diary free to use?
A free version is available, but advanced insights and features require a subscription through Apple’s in-app purchases.
