Calculator HD++ vs DayCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator HD++
This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.
- High precision calculation engine
- Results displayed while typing
- Multiple undo functionality
- Workspace switching
- Persistent history
- AirPrint compatibility
- Email history sharing
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- It is simple, easy to use and well designed - High precision engine - Result is displayed while typing the formula - Multiple undo - Switch between workspaces ! - Persistent history - Specialized keypad for iPhone and iPad - Supports bluetooth keyboard - Right or left-handed mode - Print easily with AirPrint - Share history by e-mail - it is FREE !
DayCalc
This app combines a powerful calculator with a comprehensive unit converter. It offers standard, scientific, and fraction calculations, along with over 600 units across 20 categories. Users can customize units, add notes to calculations, and enjoy a visually appealing interface with multiple themes.
- Standard, scientific, and fraction calculator
- Live voice calculator
- Add notes to calculations
- Over 600 units in 20 categories
- Custom unit creation
- Automatic currency exchange rate updates
- 50+ themes and dark mode support
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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: HCDayCalc:// Download it now and feel of this calculator is how classic
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator HD++ at none against DayCalc's 4. Calculator HD++ also leads on iOS requirement (10.0 vs 15.0). DayCalc's advantage is rating (4.7 vs 4.4). On price, review sentiment, ratings volume and update cadence 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. DayCalc sells 4 one-off in-app purchases. Calculator HD++ asks for nothing beyond the download.
DayCalc holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 277 and 128 respectively. Written reviews point the same way: 82% of Calculator HD++'s written reviews are positive against 87% of DayCalc's.
Calculator HD++ ships an update monthly, DayCalc every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Calculator HD++ | DayCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (277 ratings) | 4.7 (128 ratings) — better |
| Positive reviews | 81.6% of reviews | 87.2% of reviews — better |
| Number of ratings | 277 — better | 128 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | smalltech sarl | 良峰 侯 |
Customer experience
Calculator HD++
DayCalc
User reviews
Calculator HD++
From 277 App Store ratingsWhat we love
- 👍 Easy to use
- 💡 Detailed calculation history
- 🚀 Responsive and fast
- 👍 Helpful haptic feedback
- 👍 Intuitive interface
Room to improve
- 🐛 Settings have missing parameters
- 🐛 Previous calculations won't go away
- 💸 Annoying ads
- 🔍 Difficult to clear history
DayCalc
From 128 App Store ratingsWhat we love
- 👍 Easy to use and convenient
- 💯 All-in-one calculator with multiple functions
- ✨ Customizable themes and backgrounds
- 🧮 Supports fraction calculations
- 📈 History and memory functions available
Room to improve
- ⚠️ Ads can be intrusive
- 🐛 Some users experience update issues
- ❌ Weight conversions not always available
- 🔊 Unwanted sound effects
- ❓ Ad-free cost unclear for cross-platform
Bugs and requests
Calculator HD++
Reported bugs
2 issues- Crashes after recent update
- Incompatibility with Bluetooth keyboards
Requested features
3 requests- Option to remove ads
- Ability to switch to hexadecimal mode
- Larger buttons for easier use
DayCalc
Reported bugs
16 issues- Update issues, stuck in update loop
- Cannot install after removal
- Weight conversion not showing
- Keys making sound unexpectedly
- App not working after professional version update
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- App crashes after update
- Stuck on updating forever
- Calculator results in errors (e.g., 1000*10%)
- App keeps running in the background, draining battery
- Cannot change themes due to network error
- Ads still appear after purchasing ad removal
- App not opening after install
- M+ M- bug
- Text/numbers/symbols have underlines
- Standard version limits typing to four digits
- App not starting on Apple Watch
Requested features
10 requests- Add Pi button
- Improve currency conversion navigation
- iCloud support for syncing across devices
- Add background running feature
- Ability to change app icon
Show 5 moreShow fewer
- Add more theme options
- Allow notes to show on the main screen
- Email entire calculation history
- Change layout (move function buttons)
- Allow sound to be enabled in silent mode
In-app purchases
Calculator HD++
No in-app purchases
DayCalc
- Constants Pack$0.99
- Custom Unit Pack$1.99
- Remove Ads$3.99
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- Complete Pack$4.99
Questions
Is Calculator HD++ free?
Is DayCalc free?
Which has better reviews, Calculator HD++ or DayCalc?
Do Calculator HD++ or DayCalc have ads?
Which is updated more often, Calculator HD++ or DayCalc?
Other comparisons
