Unit Convert Master vs Notebook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Convert Master
Easily convert between over 100 measurement units across 15 categories. This app offers a user-friendly interface, offline functionality, and a history of your conversions for quick access. Ideal for students, professionals, and everyday users needing precise calculations.
- 15+ conversion categories
- 100+ measurement units
- Intuitive interface with themes
- Custom keyboard for input
- Conversion history with search
- Offline functionality
Read full descriptionHide full description
Transform complex unit conversions into simple tasks with our comprehensive Unit Converter app. Whether you're a student, professional, scientist, engineer, traveler, or home cook, this app has you covered with precise conversions across multiple categories. FEATURES: - 15+ conversion categories including Length, Mass, Temperature, Time, Volume, Area, Speed, Energy, Pressure, Angle, Data Size, Power, Frequency, Radiation, Fuel Economy, and Cooking - 100+ measurement units from common everyday measures to specialized scientific units - Beautiful, intuitive interface with customizable themes - Custom keyboard for easy and accurate input - Swap button to quickly reverse conversion direction - Comprehensive conversion history with search functionality - Copy results with a single tap - Works offline - no internet required CONVERSION CATEGORIES: - Length: meters, feet, inches, miles, light years, and more - Mass: kilograms, pounds, ounces, tons, and specialized units - Temperature: Celsius, Fahrenheit, Kelvin - Time: seconds to years and everything in between - Volume: liters, gallons, cubic meters, and cooking measurements - Area: square meters, acres, square feet, even Japanese tatami - Speed: mph, km/h, m/s, knots, speed of light, and sound - Energy: joules, calories, kilowatt-hours, BTU - Pressure: pascals, bars, psi, atmospheres - Angle: degrees, radians, minutes of arc - Data: bytes, kilobytes up to petabytes - Power: watts, horsepower, BTU/hour - Frequency: hertz, rpm, cycles per second - Radiation: becquerels, curies, grays, rads - Fuel Economy: mpg, km/L, L/100km - Cooking: all essential kitchen measurements
Notebook
Read full descriptionHide full description
Notebook – Daily Planner, Notes, To-Do Lists & Drawing in One Beautiful App Notebook is your all-in-one digital notebook for daily planning, writing, journaling, task management, and drawing. Whether you’re planning your day, capturing quick ideas, writing in your personal diary, building detailed to-do lists, or sketching concepts by hand — Notebook keeps everything in one clean, beautiful space. Organized with tags, synced with iCloud, and designed to work the way your mind does. DAILY PLANNER & PRODUCTIVITY Plan your day, organize your priorities, and stay on track. Notebook combines daily planning with notes, checklists, tasks, goals, and routines. Create daily, weekly, and monthly plans, organize what matters most, and keep your routines on track. Set priorities, track completed tasks, and see your progress with a visual progress tracker. Create repeating tasks for daily habits, weekly routines, and monthly goals — so nothing falls through the cracks. JOURNAL & DIARY Make Notebook your personal journal and digital diary. Capture your thoughts, memories, experiences, ideas, and everyday moments in your own words. Write daily journal entries, reflect on your day, record memories, or use your diary as a private space to reflect. From daily reflections and gratitude notes to personal stories and life milestones, Notebook gives your thoughts a place to grow. TO-DO LIST & CHECKLISTS Turn ideas into action. Build smart to-do lists with a tap, check off tasks as you go, and watch your progress grow with a visual progress tracker. Set repeating tasks for daily habits, weekly reviews, and monthly goals. Whether it’s a shopping list, study checklist, work project, or daily routine, Notebook keeps your tasks organized and easy to manage. NOTES & TEXT EDITOR Write the way you think. Notebook gives you a powerful yet distraction-free text editor for journal entries, meeting notes, lecture summaries, shopping lists, personal notes, and more. Format your thoughts, highlight key ideas, organize information, and keep your writing organized. SKETCH PAD & DRAWING Some ideas are better drawn than written. Notebook includes a full-featured sketch pad powered by Apple Pencil and touch drawing — perfect for diagrams, wireframes, mind maps, doodles, illustrations, and hand-drawn notes. Every sketch lives alongside your text notes, journal entries, and to-do lists, so your ideas stay in context. TAGS & SMART ORGANIZATION Stop searching, start finding. Assign color-coded tags to notes, journal entries, task lists, and drawings and filter your content in seconds. Organize by project, mood, topic, subject, priority, or personal category. ICLOUD SYNC — ALWAYS IN SYNC Your notes, journal entries, to-do lists, and drawings follow you everywhere. Notebook syncs automatically across your Apple devices via iCloud — iPhone, iPad, and Mac. Start on one device and continue on another. Your content stays up to date. HISTORY & ARCHIVE Never lose an idea, task, or memory again. Notebook keeps a history of completed task lists, past notes, journal entries, and drawings — organized by date, so you can revisit your work and memories anytime. — WHO IS NOTEBOOK FOR? — • Students capturing lecture notes and study plans • Professionals managing projects, daily tasks, and meeting notes • Creatives sketching ideas and concepts • Journalers keeping a personal diary and daily reflections • Anyone planning their day and building better routines • Anyone who wants one beautiful app instead of five — PRO FEATURES — Unlock the full Notebook experience with Pro: • Unlimited tags and color customization • Share your to-do lists and notes instantly • Priority support and all future Pro features Start free. Upgrade when you’re ready. Notebook — Write it. Plan it. Journal it. Draw it. All in one place. * Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * Privacy Policy: https://kerols.me/dailyplanner/privacy/index.html
Screenshots
Verdict
The clearest difference is in-app purchases: Unit Convert Master at none against Notebook's 2. Notebook's advantage is ads (none vs shown) and update cadence (every 10 days vs every 4 months). 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
Both are free to download. Notebook sells 2 in-app purchases, starting at $1.99 per month. Unit Convert Master asks for nothing beyond the download.
Unit Convert Master ships an update every 4 months, Notebook every 10 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Unit Convert Master | Notebook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 4 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Mizuki Hoshida | Kerols Naguib |
In-app purchases
Unit Convert Master
No in-app purchases
Notebook
- Monthly$1.991 Month
- yearly3 Days trial$14.991 Year
Questions
Is Unit Convert Master free?
Is Notebook free?
Do Unit Convert Master or Notebook have ads?
Which is updated more often, Unit Convert Master or Notebook?
Other comparisons















