Calculator XL vs Note Book App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator XL
This app combines five essential calculation tools into one convenient package. It offers standard, scientific, unit conversion, loan, and tip calculators with a user-friendly interface and large buttons. Ideal for everyday tasks and complex computations.
- Standard Calculator
- Scientific Calculator
- Unit Converter
- Loan Calculator
- Tip Calculator
- Calculation History
- Widgets
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5 for the Price of 1! Calculator XL is a Universal App for iPhone, iPad, iPod, and iMac, offering: • Standard Calculator • Scientific Calculator • Unit Converter • Loan Calculator • Tip Calculator Quick, accurate, and easy to use, Calculator XL features large, illuminated buttons for standard operations and a sleek, polished design. Features: • Standard Calculator: Extra-large buttons with additional features like delete, x², √, and %. • Scientific Calculator: 30 advanced functions with color-coded, multifunction buttons. • Unit Converter: Supports length, volume, weight, and temperature conversions, with color-coding for Imperial and US units. Perfect for any use, especially in the kitchen! On iPad, switch between calculators with the flip of a switch. On iPhone, rotate left for the Scientific Calculator or right for the Unit Converter. Extra Features: • History list of calculations • Widgets. 2 types, one for history, and one for current number and memory • 29 types of unit conversions with color-coding • 30 scientific functions • Handy delete (Del) button • Memory with preview display • Extra-large buttons for ease of use • One-tap copy • x², √, and % in standard mode Calculator XLt Free is the free version of Calculator XL, available for both iPad and iPhone.
Note Book App
Capture and organize all your thoughts, tasks, and memories with a feature-rich note-taking application. Offers rich text, checklists, voice notes, and advanced organization tools. Secure your data with PIN and password protection, and easily back up your notes.
- Rich text and voice notes
- Checklists and to-do lists
- Customizable themes and wallpapers
- Categories, folders, and tags
- PIN and password protection
- One-tap export and iCloud backup
- Built-in calculator
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Note Book - Your Smart Note-Taking Companion Never lose your thoughts again! Create, organize, and backup your notes with the most intuitive note-taking app on iOS. WHY CHOOSE NOTE BOOK? Note Book is not just another notes app - it's your personal productivity powerhouse designed to capture every idea, task, and memory with elegance and efficiency. POWERFUL FEATURES MULTIPLE NOTE TYPES Rich Text Notes - Write freely with full formatting Checklists - Track your daily tasks effortlessly Todo Lists - Stay organized and productive Voice Notes - Capture ideas on the go BEAUTIFUL CUSTOMIZATION Custom Themes - Match your style with unlimited color options Background Wallpapers - Personalize your note-taking experience Color-Coded Categories - Organize notes your way Multiple View Layouts - List, Grid 2x2, or Grid 3x3 SMART ORGANIZATION Categories and Folders - Keep everything perfectly organized Tags System - Find notes instantly with smart tagging Pin Important Notes - Keep crucial notes at the top Archive Feature - Declutter without deleting Smart Search - Find any note in seconds ADVANCED CALCULATOR Built-in Calculator - Perfect circular iOS-style buttons Calculation History - Never lose your math again Copy Results - Tap any calculation to copy Brand-Themed Design - Seamless app integration PRIVACY AND SECURITY PIN Lock Protection - Secure your sensitive notes Password-Protected Notes - Extra layer of security Private Folders - Lock entire categories Offline First - Your data stays on your device BACKUP AND RESTORE One-Tap Export - Save all notes to JSON format Email Backups - Send backups to yourself instantly iCloud Integration - Save to Files app automatically Easy Restore - Import notes anytime, anywhere Never Lose Data - Even after reinstalling the app SMART REMINDERS Set Note Reminders - Never forget important tasks Custom Notifications - Get alerted at the right time Reminder Management - Easy to view and edit PRODUCTIVITY TOOLS Sort Options - 6 different sorting methods Favorite Notes - Mark and find important notes quickly Trash Management - Auto-delete or restore deleted notes Note Count Display - Track your productivity BEAUTIFUL INTERFACE Dark Mode Support - Easy on your eyes iOS-Style Design - Feels native and familiar Smooth Animations - Delightful user experience Intuitive Navigation - Find everything effortlessly PERFECT FOR Students - Take class notes and organize study materials Professionals - Manage meetings, projects, and ideas Writers - Capture creative thoughts and drafts Busy Parents - Track schedules, lists, and reminders Anyone - Who values organization and productivity WHAT MAKES US DIFFERENT Unlike other note apps that complicate things, Note Book focuses on what matters: SPEED - Open and start writing instantly SIMPLICITY - Clean interface, no learning curve RELIABILITY - Robust backup system means zero data loss BEAUTY - Every detail is designed with care PRIVACY - Your notes stay yours, always KEY HIGHLIGHTS Lightning Fast - No lag, no delays Fully Customizable - Make it yours Powerful Yet Simple - All features, zero complexity Automatic Saving - Never lose a single word Easy Sharing - Export notes to any app Regular Updates - We're constantly improving COMPLETELY FREE All features included! No hidden subscriptions, no ads interrupting your flow, no premium tiers. Just pure note-taking excellence. REQUIREMENTS iOS 13.0 or later iPhone, iPad, and iPod touch compatible Optimized for all screen sizes SUPPORT We love hearing from you! Contact us for: Feature requests Bug reports General feedback Download Note Book today and transform the way you capture ideas! Your thoughts deserve the best home. Make it Note Book.
Screenshots
Verdict
The clearest difference is price: Note Book App at Free against Calculator XL's $9.99. Note Book App also leads on update cadence (every 4 days vs every 2 months). Calculator XL's advantage is rating (4.7 vs 3.0) and review sentiment (75% vs 50%). On ads, in-app purchases, monetization model and device support 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
Note Book App is free to download; Calculator XL costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator XL holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Calculator XL has 154 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculator XL's written reviews are positive against 50% of Note Book App's.
Calculator XL ships an update every 2 months, Note Book App every 4 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Calculator XL | Note Book App |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.7 (154 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 75.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 154 — better | 2 |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 11 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Gero Mazza | Primus Okorie |
Customer experience
Calculator XL
Note Book App
Bugs and requests
Calculator XL
Reported bugs
9 issues- App crashes upon launching
- Update eliminated all history/calculations
- Numbers on buttons not displayed properly in landscape
- US Unit/Imperial function is confusing
- Cannot use split screen on iPad
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- Some calculations are not accurate (e.g., 11^6)
- Converter needs to distinguish between imperial measure and US
- EE button does not work
- Converter has decimal point off (e.g., mm to feet/yard)
Requested features
4 requests- Option to lock the board from moving
- Split screen function for iPad
- Themes/Skins for buttons
- Android and Windows versions
Note Book App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator XL
No in-app purchases
Note Book App
No in-app purchases
Questions
Is Calculator XL free?
Is Note Book App free?
Which has better reviews, Calculator XL or Note Book App?
Do Calculator XL or Note Book App have ads?
Which is updated more often, Calculator XL or Note Book App?
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