# Calculator HD++ vs DayCalc

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.

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.

## The numbers

| Metric | Calculator HD++ | DayCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (277 ratings)](https://appshunter.io/ios/app/calculator-hd-plus-plus/id444114618/reviews) | **[4.7 (128 ratings)](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264/reviews)** |
| Number of ratings | **277** | 128 |
| Positive reviews | 81.6% of reviews | **87.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 35 MB | 170 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [良峰 侯](https://appshunter.io/developer/654444245) |

## What reviewers say

### Calculator HD++

[App page](https://appshunter.io/ios/app/calculator-hd-plus-plus/id444114618)

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.

**Highlights:** High precision calculation engine, Results displayed while typing, Multiple undo functionality, Workspace switching, Persistent history, AirPrint compatibility, Email history sharing

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Detailed calculation history
- 🚀 Responsive and fast
- 👍 Helpful haptic feedback
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Settings have missing parameters
- 🐛 Previous calculations won't go away
- 💸 Annoying ads
- 🔍 Difficult to clear history

**Reported bugs**

- Crashes after recent update
- Incompatibility with Bluetooth keyboards

**Requested features**

- Option to remove ads
- Ability to switch to hexadecimal mode
- Larger buttons for easier use


### DayCalc

[App page](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constants Pack | $0.99 | one-time |
| Custom Unit Pack | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Complete Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and convenient
- 💯 All-in-one calculator with multiple functions
- ✨ Customizable themes and backgrounds
- 🧮 Supports fraction calculations
- 📈 History and memory functions available

**What reviewers complain about**

- ⚠️ Ads can be intrusive
- 🐛 Some users experience update issues
- ❌ Weight conversions not always available
- 🔊 Unwanted sound effects
- ❓ Ad-free cost unclear for cross-platform

**Reported bugs**

- 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

**Requested features**

- Add Pi button
- Improve currency conversion navigation
- iCloud support for syncing across devices
- Add background running feature
- Ability to change app icon


## Frequently asked questions

### Is Calculator HD++ free?

Calculator HD++ is free to download, with no in-app purchases.

### Is DayCalc free?

DayCalc is free to download, with in-app purchases available.

### Which has better reviews, Calculator HD++ or DayCalc?

DayCalc is rated higher. Calculator HD++ averages 4.4 out of 5 from 277 ratings, while DayCalc averages 4.7 from 128 ratings.

### Do Calculator HD++ or DayCalc have ads?

Both Calculator HD++ and DayCalc show ads.

### Which is updated more often, Calculator HD++ or DayCalc?

Calculator HD++ ships an update monthly, and DayCalc every 3 weeks. Most recently, Calculator HD++ was updated on October 24, 2026 and DayCalc on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*