O3 vs AI Expense Tracker & Budget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O3
Control your smart home environment with this app. Create custom profiles for different activities to manage HVAC, lighting, and blinds. Optimize energy usage and personalize your space for comfort and productivity.
- Activity-based room profiles
- Energy-saving eco modes
- HVAC control
- Lighting dimming
- Blind adjustment
- Bluetooth connectivity
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Take control of your space with the Delta Controls O3 App. Connect with your O3 system via Bluetooth and create profiles to take control of HVAC, lighting, blinds and other peripherals. Dim lights for presentations, optimize energy savings with eco modes or create the perfect lighting for productivity. Coupled with your O3 Sensor Hub, your space knows what you need before you have to ask. Your Room. Your Way. Paired with your O3 system, the O3 app provides: * Configurable, activity-based profiles for each room based on what you’re doing * Eco-friendly profiles to ensure that you can save energy without sacrificing comfort * Communication with your O3 system through Bluetooth ensures your preference carry over to each room
AI Expense Tracker & Budget
This AI-powered app helps you manage your finances by tracking expenses, planning budgets, and analyzing spending habits. It offers features like voice input, receipt scanning, and multi-currency support to simplify financial management.
- AI expense tracking and analysis
- Voice input for transactions
- AI receipt scanning
- Multi-currency and multi-wallet support
- Savings goals and debt tracking
- Recurring bill reminders
- Category spending limits
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AI Expense Tracker shows you where your money goes, without typing. Say "coffee 4.50" or take a photo of a receipt, and the expense is already in your budget. AI picks the category, and AI insights show where you overspend and where you can save. ADD EXPENSES IN SECONDS • Voice input: say the amount and what it was for, even several purchases at once • Receipt scanner: photograph a receipt and AI fills in the amount, date and category • Manual entry with a fast keypad when you prefer to type A BUDGET THAT KEEPS YOU ON TRACK • Monthly budget with spending limits per category • See what is left to spend in real time • Home Screen widget with your category limits • Income, expenses and cash flow by week, month and year with clear charts SAVINGS, DEBTS AND SUBSCRIPTIONS • Savings goals with progress: your digital piggy bank • Savings calculator to plan how much to put aside • Debts you owe and money owed to you, with repayments, in one list • Recurring payments and subscriptions in one place WALLETS AND CURRENCIES • Separate wallets for cash, cards, family and business money • 20+ currencies with daily exchange rates and a built-in converter • Spend in any currency and see totals in yours, perfect for travel AI INSIGHTS • Spending patterns by category and by month • Personal tips on where you overspend and where you can save PRIVATE AND SECURE • Passcode and Face ID lock • No bank login required: you decide what to record • Export your data to CSV or PDF at any time • Daily reminder so you never forget to log an expense Simple, fast and clear. Made for everyday spending, personal budgets and family finances. PREMIUM The core budget is free, with a few AI entries to try. Premium unlocks: • Unlimited AI input by voice and receipt scan • AI assistant with tips and insights • Transactions in any currency with automatic conversion and daily exchange rates • Savings calculator and advanced planning tools SUBSCRIPTION Premium is available as a weekly subscription (new subscribers can start with a free trial) or a yearly subscription. Prices are shown in the app before purchase and may vary by country. Payment is charged to your Apple ID when you confirm the purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Any unused part of a free trial is forfeited when you buy a subscription. You can manage or cancel it anytime in Settings > Apple ID > Subscriptions. Support: tarasenko.by@icloud.com Privacy Policy: https://uxui.one/privacy.html Terms of Use: https://uxui.one/eula.html
Screenshots
Verdict
The clearest difference is in-app purchases: O3 at none against AI Expense Tracker & Budget's 3. O3 also leads on iOS requirement (15.2 vs 18.0). AI Expense Tracker & Budget's advantage is update cadence (weekly vs every 12 months). On price, rating, ratings volume and ads 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
Both are free to download. AI Expense Tracker & Budget sells 3 in-app purchases, starting at $4.99 per 7 days. O3 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for O3 against 5.0 for AI Expense Tracker & Budget. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
O3 ships an update every 12 months, AI Expense Tracker & Budget weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | O3 | AI Expense Tracker & Budget |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 46.7% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 12 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Intelligent Building Technologies (Canada) Inc. | SIarhei Tarasenka |
Customer experience
O3
AI Expense Tracker & Budget
In-app purchases
O3
No in-app purchases
AI Expense Tracker & Budget
- 1 Week Subscription3 Days trial$4.997 Days
- Weekly Subscription$4.997 Days
- 1 Year Subscription$29.991 Year
Questions
Is O3 free?
Is AI Expense Tracker & Budget free?
Which has better reviews, O3 or AI Expense Tracker & Budget?
Do O3 or AI Expense Tracker & Budget have ads?
Which is updated more often, O3 or AI Expense Tracker & Budget?
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