iobook vs Margin
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
iobook
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iobook keeps personal finance simple โ only the essentials, with a clean and minimal experience. Track every transaction, see where your money goes, and sync seamlessly across all your Apple devices. KEY FEATURES - Easy Transaction Entry โ Add income, expenses, and transfers with a clean, intuitive interface - AI-Powered Bulk Upload โ Paste text or pick a screenshot, and the app parses multiple transactions for you at once - Apple Intelligence Support โ On-device receipt parsing on supported devices for private, offline entry - Smart Auto-Category โ Recognizes similar past transactions to auto-fill categories - Duplicate Detection โ Same-date, same-amount transactions are flagged automatically during bulk upload and skipped on save - Credit & Debit Cards โ Track liabilities and debit card spending separately, with a real-time Assets/Liabilities/Total header - Customizable Categories โ Organize income, expenses, and assets your way with category groups and subcategories - Visual Analysis โ Monthly bar charts with tab navigation, a current-month area chart that includes today, and side-by-side current vs previous month rank charts - Calendar View โ See your spending patterns across the whole month at a glance - iCloud Sync โ Access your data on every Apple device, anytime - Personalized Look โ Choose between multiple app icons to match your home screen PERFECT FOR THOSE WHO - Want to simplify personal finance without losing detail - Feel overwhelmed by complex finance apps - Need a quick way to track income, expenses, and credit card use - Prefer visual, chart-based analysis of finances - Use multiple Apple devices and want seamless data sync SUBSCRIPTION INFORMATION - iobook offers an auto-renewing monthly subscription for $1.99(USD)/month and an auto-renewing yearly subscription for $19.99(USD)/year, unlocking unlimited assets and category groups. - Payment will be charged to your iTunes Account at confirmation of purchase. - You can manage your subscription and turn off auto-renewal at any time in your Account Settings after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/iobook/privacy-policy-en
Margin
This app helps you manage your daily spending by automatically calculating your available budget. Track income and expenses, categorize transactions, and view your spending flow to stay on track with your financial goals.
- Automatic daily spending calculation
- Income and expense tracking
- Category management
- Payment method tracking
- Budget calendar
- In-budget/out-of-budget expense separation
- Spending insights
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How much can you safely spend today? Margin is a budgeting app that instantly shows how much you can spend today based on your monthly budget and actual spending pace. Skip the complexity of traditional expense trackers and see the number that matters most right away. Quickly record income and expenses, then explore your remaining budget, spending pace, and changes from last month through clear, intuitive charts. Key Features 1. Automatic Daily Spendable Amount Margin calculates how much you can spend today based on your monthly budget, income, expenses, and the number of days remaining. 2. Quick Income and Expense Tracking Record categories, payment methods, dates, and notes. You can also separate transactions included in your budget from those excluded from it. 3. A Monthly Budget Cycle That Fits You Choose the starting day of your monthly budget and review income and expenses on a calendar built around your budget cycle. 4. Fast Transaction Search Quickly find records by note, category, payment method, or date range. 5. Insights at a Glance Analyze spending by category and payment method, review daily expenses and spending pace, and compare cumulative income and expenses with last month. 6. Monthly Trends and Highlights View income, expenses, and remaining budget trends over 3 months, 6 months, or 1 year. See which month had the highest spending and which left the most room in your budget. 7. Payment Method and Target Tracking Organize spending by cash, card, or other payment methods, and monitor transaction history and monthly spending target progress for each one. 8. Recurring Transactions and Expense Settlement Automatically create weekly or monthly income and expense records. Split expenses by 1/N or enter reimbursements so only your actual share is applied to your budget. 9. Widgets and Reminders Check your budget from the Home Screen or Lock Screen. Stay on top of your spending with the monthly comparison widget and daily reminders. 10. Secure Data Management Your data is stored on your device by default. When needed, enable automatic iCloud sync or export your complete income and expense history as a CSV file. Additional Support โข Designed for iPhone and iPad โข Support for KRW, JPY, USD, and other currencies โข Custom categories and payment methods โข Dark Mode support โข A clean, ad-free experience Margin Pro A single purchase unlocks monthly trends and detailed insights, widgets, recurring transactions, expense settlement, fixed daily allowances, budget carryover, unlimited categories and payment methods, performance reminders, automatic iCloud sync, CSV export, and more. From todayโs budget to your long-term spending patterns, manage your money with less stress using Margin.
Screenshots
Verdict
The clearest difference is update cadence: Margin at weekly against iobook's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. iobook sells 2 in-app purchases, starting at $1.99 per month and Margin sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
iobook ships an update every 3 weeks, Margin weekly. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.
| Parameter | iobook | Margin |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 3 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details โ not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Joonhee Cho | TAESEONG KIM |
In-app purchases
iobook
- Basic (Monthly)$1.991 Month
- Basic (Yearly)$19.991 Year
Margin
- Lifetime unlock$2.99









