# Calculator Easy HD vs CALC Smart Calculator ±

The clearest difference is price: CALC Smart Calculator ± at Free against Calculator Easy HD's $0.99. CALC Smart Calculator ± also leads on update cadence (fortnightly vs every 6 weeks). Calculator Easy HD's advantage is iOS requirement (15.0 vs 17.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

CALC Smart Calculator ± is free to download; Calculator Easy HD costs $0.99 up front. Calculator Easy HD sells 7 one-off in-app purchases and CALC Smart Calculator ± sells 4 in-app purchases, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Calculator Easy HD against 4.8 for CALC Smart Calculator ±. Both are backed by a comparable volume of ratings — 1.2K and 2.4K respectively. Written reviews are what separate them: 94% of Calculator Easy HD's written reviews are positive against 87% of CALC Smart Calculator ±'s.

Calculator Easy HD ships an update every 6 weeks, CALC Smart Calculator ± fortnightly. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Calculator Easy HD | CALC Smart Calculator ± |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/calculator-easy-hd/id448246366/reviews)** | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/calc-smart-calculator/id576675190/reviews) |
| Number of ratings | 1.2K | **2.4K** |
| Positive reviews | **94.3% of reviews** | 87.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [QApps LLC](https://appshunter.io/developer/395652397) |

## What reviewers say

### Calculator Easy HD

[App page](https://appshunter.io/ios/app/calculator-easy-hd/id448246366)

This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.

**Highlights:** Live voice calculator, Ergonomic key layout, Extra large '+' key, Usage record, Copy & send results, Dark Mode support

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fashion Theme Pack 1 | $0.99 | one-time |
| Season Theme Pack 1 | $0.99 | one-time |
| Fashion Theme Pack 2 | $0.99 | one-time |
| Festivals Theme Pack 1 | $0.99 | one-time |
| Bird Theme Pack 1 | $0.99 | one-time |
| Fashion Theme Pack 3 | $0.99 | one-time |
| Insects Theme Pack 1 | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Helpful paper tape feature
- 👍 Attractive and clear interface
- 👍 Reliable and accurate calculations
- 👍 Great for everyday calculations

**What reviewers complain about**

- 🐛 Compatibility issues with latest iOS updates
- 🐛 Occasional crashes or bugs
- 🔋 High battery consumption
- 💰 Potential hidden costs or in-app purchases

**Reported bugs**

- Unable to update app to latest version
- Buttons not responding after clearing entries
- Calculations not displaying properly

**Requested features**

- Add scientific calculator functions
- Improve editing capabilities for incorrect entries
- Provide more customization options
- Implement a dark mode theme


### CALC Smart Calculator ±

[App page](https://appshunter.io/ios/app/calc-smart-calculator/id576675190)

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

**Highlights:** Real-time results, Unit and currency conversions, Custom functions and constants, Shareable calculation history, Landscape mode with tape-roll, Gratuity calculator

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Supporter | $0.99 | per 3 months |
| Quarterly Supporter | $1.99 | per 3 months |
| Annual Contributor | $2.99 | per year |
| Annual Contributor | $5.99 | per year |

**What reviewers like**

- 💻 Excellent calculator functionality
- 🎨 Beautiful and clean interface
- 🔢 Displays full calculation history
- 🔍 Useful conversion tools
- 🤖 Seamless Apple Watch integration

**What reviewers complain about**

- 💰 Subscription model introduced
- 🔒 Restricted features behind paywall
- 📊 Calculation bugs and inaccuracies
- 🔄 Unnecessary UI changes frustrate users

**Reported bugs**

- Calculation errors in certain scenarios
- Forced tutorial popup on every launch
- Unreliable widget functionality

**Requested features**

- Ability to easily clear calculation history
- Option to customize button layout
- Support for entering hexadecimal numbers
- Integration with other apps and services


## Frequently asked questions

### Is Calculator Easy HD free?

Calculator Easy HD costs $0.99, and also offers in-app purchases.

### Is CALC Smart Calculator ± free?

CALC Smart Calculator ± is free to download, with in-app purchases available.

### Which has better reviews, Calculator Easy HD or CALC Smart Calculator ±?

Calculator Easy HD is rated higher. Calculator Easy HD averages 4.8 out of 5 from 1.2K ratings, while CALC Smart Calculator ± averages 4.8 from 2.4K ratings.

### Do Calculator Easy HD or CALC Smart Calculator ± have ads?

Neither Calculator Easy HD nor CALC Smart Calculator ± shows ads.

### Which is updated more often, Calculator Easy HD or CALC Smart Calculator ±?

Calculator Easy HD ships an update every 6 weeks, and CALC Smart Calculator ± fortnightly. Most recently, Calculator Easy HD was updated on November 6, 2026 and CALC Smart Calculator ± on November 1, 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.*