Comparison

Solid Diary vs Expense Tracker AI

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

Expense Tracker AI

Features
Read full description

SpendIQ makes expense tracking effortless. Scan a receipt, type a sentence, or just say it out loud - AI turns it into a clean, categorized transaction in seconds. See exactly where your money goes and take control of your budget from day one. No ads. No account. Your financial data stays private, on your device and your personal iCloud. We care about quality, speed, and respect for your privacy. WHY PEOPLE CHOOSE SPENDIQ - Scan receipts with your camera and let AI extract the amount, merchant, and category automatically - Add expenses by voice or plain text, like coffee 4.50, and watch it file itself - Smart AI insights that explain your spending patterns in plain language - Budgets with alerts before you overspend, not after - Spending heatmap shows your habits week by week at a glance - Clear analytics: category breakdowns, trends, income vs expenses, net balance BUILT FOR REAL LIFE - Track multiple accounts and shared spending - Recurring transactions for rent, subscriptions, and bills - Split transactions across categories - Powerful search and filters to find any purchase fast - Home Screen widgets to log and check spending instantly - Works beautifully on iPhone and iPad with a two-pane layout YOUR DATA, YOUR RULES - No ads, no trackers, no analytics companies watching you - No sign up and no email required - open the app and start - Data lives on your device and syncs through your personal iCloud - Lock the app with Face ID for extra privacy - Export your data anytime to CSV or PDF QUALITY YOU CAN FEEL - Fast, clean, distraction-free design - Thoughtful details, smooth animations, and a clutter-free interface - Built natively for iOS for speed and reliability Whether you want to stop wondering where your paycheck went, save for a goal, or simply build a daily money habit, SpendIQ gives you clarity in seconds a day. Download SpendIQ and know where every penny goes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Solid Diary4 screens
Expense Tracker AI4 screens

Verdict

The call

The clearest difference is price: Solid Diary at Free against Expense Tracker AI's $0.99. Solid Diary also leads on update cadence (every 2 months vs every 5 months). On ads, in-app purchases, 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

Solid Diary is free to download; Expense Tracker AI costs $0.99 up front. Solid Diary sells 2 one-off in-app purchases and Expense Tracker AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Solid Diary ships an update every 2 months, Expense Tracker AI every 5 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 8 level
Solid Diary versus Expense Tracker AI: the parameters behind the verdict, then further details
ParameterSolid DiaryExpense Tracker AI
PriceFree — better$0.99
Rating5.0 (26 ratings) — better—
Positive reviews86.4% of reviews—
Number of ratings26 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size44 MB4 MB
Age rating4+4+
DeveloperSolid Apps S.R.L.Aneesh Pradeep

In-app purchases

2 purchases

Solid Diary

One-time2
  • Unlock this app (lifetime)$4.99
  • Unlock ALL 10 Solid Apps (lifetime)$9.99
2 purchases

Expense Tracker AI

Subscriptions2
  • SpendIQ Premium$4.991 Month
  • SpendIQ Premium Annual$39.991 Year

Questions

Is Solid Diary free?
Solid Diary is free to download, with in-app purchases available.
Is Expense Tracker AI free?
Expense Tracker AI costs $0.99, and also offers in-app purchases.
Do Solid Diary or Expense Tracker AI have ads?
Neither Solid Diary nor Expense Tracker AI shows ads.
Which is updated more often, Solid Diary or Expense Tracker AI?
Solid Diary ships an update every 2 months, and Expense Tracker AI every 5 months. Most recently, Solid Diary was updated on September 29, 2026 and Expense Tracker AI on September 26, 2026.

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