Comparison

Solid Diary vs AI Nav

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

Head to head
About

Solid Diary

This private journal app offers AI-powered insights into your thoughts and emotions. Secure your entries with encryption and biometric locks. Organize your reflections with formatting, tags, and unlimited uploads of images, voice, and sketches.

Highlights
  • 100% private and encrypted diary
  • AI analysis for deeper insights
  • Unlimited image, voice, and sketch uploads
  • Formatting and tagging for organization
  • Customizable themes
  • Stats and achievements
Features
Read full description

No subscriptions - Buy once, keep forever End your day with a moment of calm reflection. Solid Diary is more than just a journal app - it could be your sanctuary. Dive deep into your thoughts, and with the unique AI analysis, reveal deeper insights into yourself and the complex world around us. - 100% private diary What you write about in Solid Diary is for your eyes only. This diary is designed with privacy in mind and this is why your data is encrypted and only you can access it. You can also lock your diary with a biometric lock. - AI analysis Keeping a diary is a great way to explore your thoughts and better understand your emotions. But when you need an extra opinion, you can ask for an AI analysis and get a deeper understanding of the meaning behind your writing. - Unlimited uploads You can upload as many images, voice recordings and sketches as you need - Formatting and tags You can apply various formatting options to each entry and stay organized with tags. - Themes Solid Diary supports 4 different themes so you can pick the one that suits your style most. - Stats and achievements To make keeping a diary even more fun, there are achievements and stats that you unlock on your journey. Are you ready to start keeping your diary? Solid Diary is a universal app available on iOS, iPadOS, and macOS You can choose to unlock just this app or all 5 Solid Apps with one purchase Terms of service: http://solidapps.co/terms.html Privacy policy: http://solidapps.co/privacy.html

About

AI Nav

Features
Read full description

AI Nav – Discover the Best AI Tools With hundreds of new AI tools appearing daily, finding the right one can be overwhelming. AI Nav is a curated directory that helps you explore and quickly access the most useful AI resources. We’ve collected 200+ popular AI tools across 20+ practical categories, such as: Writing & Copywriting Image & Art Video & Animation Coding & Development Audio & Music Academic Search & Research Data Analysis & Office Marketing & Customer Service And more... What AI Nav does for you: Clear Categories, Fast Discovery – All tools are neatly organized by domain, with keyword search, so you can pinpoint what you need in seconds. Daily Updates – Our team tracks the latest AI trends and adds new tools daily. You’ll never miss a hot new release. One‑Tap Access, No Sign‑Up – Tap any tool card to jump directly to its official website. No extra logins or registrations required. Bilingual Interface – Automatically adapts to Chinese or English based on your system language. Clean & Efficient UI – Card‑based layout with icons and taglines, smooth scrolling, and a distraction‑free browsing experience. Who is this for? Developers looking for APIs, libraries, or coding assistants Designers exploring generative art and design tools Content creators seeking writing, video, or audio tools Students and researchers needing academic search or knowledge management Entrepreneurs and marketers wanting cost‑effective AI solutions AI Nav is completely free, with no hidden charges. Whether you’re new to AI or a seasoned expert, you’ll find valuable resources here. Download AI Nav now and start discovering the AI tools that fit your needs!

Screenshots

Solid Diary4 screens
AI Nav4 screens

Verdict

The call

The clearest difference is in-app purchases: AI Nav at none against Solid Diary's 2. Solid Diary's advantage is ads (none vs shown). On price, device support and iOS requirement 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. Solid Diary sells 2 one-off in-app purchases. AI Nav asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Solid Diary versus AI Nav: the parameters behind the verdict, then further details
ParameterSolid DiaryAI Nav
PriceFreeFree
Rating5.0 (26 ratings) — better—
Positive reviews86.4% of reviews—
Number of ratings26 — better—
Update frequencyEvery 2 months—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size44 MB60 MB
Age rating4+12+
DeveloperSolid Apps S.R.L.Shanghai Guanggu Information Technology Co.,Ltd

In-app purchases

2 purchases

Solid Diary

One-time2
  • Unlock this app (lifetime)$4.99
  • Unlock ALL 10 Solid Apps (lifetime)$9.99
None

AI Nav

No in-app purchases

Questions

Is Solid Diary free?
Solid Diary is free to download, with in-app purchases available.
Is AI Nav free?
AI Nav is free to download, with no in-app purchases.
Do Solid Diary or AI Nav have ads?
AI Nav shows ads; Solid Diary does not.

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