Solid Diary Review – Cost, Use Cases & Alternatives [2025]

Name: Solid Diary
Rating: 4.4 (4 reviews)
Author: AIChief

AIChief Verdict

AIChief Rating

(4.4)

Visit Solid Diary

Most journaling apps offer a blank page and little else—Solid Diary offers guidance, growth, and emotional clarity. When the AIChief team tried it, we found it refreshingly human despite the AI under the hood. This iOS-exclusive app uses natural language processing to interpret your thoughts, reflect back your mood patterns, and provide personalized insights. It's more than a writing space—it's a well-being companion. Whether you're tracking daily emotions, setting intentions, or just venting, Solid Diary’s clean interface and intelligent prompts make self-reflection effortless. Think of it as journaling with a therapist who listens, learns, and supports your mental clarity.

Features

(4.3)

Accessibility

(4.4)

Compatibility

(4.4)

User Friendliness

(4.4)

Updated October 7, 2025

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

Content/Output

Emotionally Intelligent & Reflective

Interface

Calm, Intuitive, Focused

AI Technology

NLP Mood Analysis
Sentiment Summarization
Prompt Generation Engine
Daily Pattern Recognition

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.

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Editorial Staff

The Editorial Staff at AIChief is a team of Professional Content writers with extensive experience in the field of AI and Marketing. AIChief was Founded in 2023, AIChief has quickly grown to become the largest free AI resource hub in the industry. Stay connected with them on Facebook, Instagram and X for the latest updates.

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