DayCalc Pro vs WatchNotes Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DayCalc Pro
This app combines a powerful calculator with a comprehensive unit converter. It offers standard and scientific calculations, allows notes to be added to history, and supports a wide range of units and custom conversions. Enjoy a user-friendly interface with customizable themes and watchOS integration.
- Standard and scientific calculator
- Add notes to calculations
- Over 600 units in 20 categories
- Custom unit creation
- Automatic currency exchange rate updates
- Dark Mode support
- Apple Watch integration
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DayCalc is an easy to use, beautifully packaged calculator and Unit Converter, includes standard, scientific and fractions calculator, best calculator for your iPad, iPhone and Apple Watch! Calculator: - Live voice calculator - Add notes to history of your calculations, and you can share - Choose between a basic calculator or scientific calculator with more than 30 scientific operations - Use both calculators in portrait or landscape mode (both iPhone and iPad), and split screen support for iPad - Auto adjust height of the history list, no matter how long the calculation process can be displayed in full - Allows locking of calculation history, cannot be deleted and modified after locking - Full watchOS 4 and later support - Support iOS 9 and later spotlight search - Support Dark Mode Unit Converter: - Over 600+ units in 20 categories. - Allows you to add your own unit data, make your own unit converter that meets all your requirements. - Support more than 150 kinds of currency, conversion exchange rate automatic updates - The simplest way to create and use favorite lists. - Add the constant value of your frequently used, it can easily and quickly reused. - Flexible search feature that lets you quickly find what you want the unit and automatically saves your search history. Basic functions: - 50+ beautiful themes for you to choose - View and edit a history of your calculations on the History Panel - Multiple Button sounds, and button sound is mutable URL schemes: HCDayCalcPro:// Download it now and feel of this calculator is how classic
WatchNotes Lite
A simple utility for creating and organizing notes directly on your smartwatch. Easily reorder your entries with drag-and-drop functionality. This streamlined version allows for up to three notes.
- Standalone watch notes
- Drag-and-drop reordering
- Limited to 3 notes
- Supports watch, iPhone, and iPod
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Standalone watch notes app Notes can be dragged to reorder The lite version is limited to 3 notes
Screenshots
Verdict
The clearest difference is price: WatchNotes Lite at Free against DayCalc Pro's $0.99. WatchNotes Lite also leads on in-app purchases (none vs 9) and review sentiment (100% vs 86%). DayCalc Pro's advantage is update cadence (every 6 weeks vs every 31 months). On ads 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
WatchNotes Lite is free to download; DayCalc Pro costs $0.99 up front. DayCalc Pro sells 9 one-off in-app purchases. WatchNotes Lite asks for nothing beyond the download.
DayCalc Pro ships an update every 6 weeks, WatchNotes Lite every 31 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | DayCalc Pro | WatchNotes Lite |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (177 ratings) — better | — |
| Positive reviews | 85.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 177 — better | — |
| Update frequency | Every 6 weeks — better | Every 31 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod, Apple Watch |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Paul Scott |
Customer experience
DayCalc Pro
WatchNotes Lite
Bugs and requests
DayCalc Pro
Reported bugs
10 issues- Latest update stuck on download/installation loop
- Display rendering issues in landscape mode on iPhone 12/13 mini
- Fraction results display truncated with large numbers
- Fraction operator placement incorrect during multi-step calculations
- Currency conversion broken after favoriting currencies
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- Copy expression only copies first number
- Exponent calculation: .35 / 1 EE 6 returns 350,000 instead of correct value
- Fahrenheit to Celsius conversion inaccurate (8°F returns 1.3°C)
- App becomes unusable after using unit conversion feature
- iOS 6 compatibility: black display and crashes
Requested features
5 requests- Cursor movement for easier digit and symbol editing
- Back button to delete individual numbers instead of clearing all
- History display directly above input without clicking
- Back button in converter functions for easier navigation
- Improved animated transitions for better aesthetics
WatchNotes Lite
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DayCalc Pro
- Constants Pack$0.99
- Festivals Theme Pack 1$0.99
- Season Theme Pack 1$0.99
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- Bird Theme Pack 1$0.99
- Insects Theme Pack 1$0.99
- Season Theme Pack 2$0.99
- Festivals Theme Pack 2$0.99
- Custom Unit Pack$1.99
- Complete Pack$4.99
WatchNotes Lite
No in-app purchases
Questions
Is DayCalc Pro free?
Is WatchNotes Lite free?
Do DayCalc Pro or WatchNotes Lite have ads?
Which is updated more often, DayCalc Pro or WatchNotes Lite?
Other comparisons
