# Calculator HD Pro Lite vs Calculator Smart

Calculator HD Pro Lite and Calculator Smart both sit at 4.6 stars, but that hides the real split: 77% of Calculator HD Pro Lite's written reviews are positive against 36% of Calculator Smart's. Calculator HD Pro Lite also leads on in-app purchases (none vs 3) and ratings volume (52K vs 498). Calculator Smart's advantage is device support (6 vs 3) and iOS requirement (13.0 vs 15.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Calculator Smart sells 3 one-off in-app purchases. Calculator HD Pro Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Calculator HD Pro Lite against 4.7 for Calculator Smart. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 52K ratings behind it against 498, so its average is the more settled of the two. Written reviews are what separate them: 77% of Calculator HD Pro Lite's written reviews are positive against 36% of Calculator Smart's.

Calculator HD Pro Lite ships an update every 2 months, Calculator Smart every 4 months. The most recent releases landed on October 28, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Calculator HD Pro Lite | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (52K ratings)](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141/reviews) | **[4.7 (498 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews)** |
| Number of ratings | **52K** | 498 |
| Positive reviews | **77.3% of reviews** | 36.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 24 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## What reviewers say

### Calculator HD Pro Lite

[App page](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141)

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

**Highlights:** Dual-line display, Calculation history, Full scientific functions, Customizable layouts and themes, Big buttons, Email history

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 📝 Keeps calculation history
- 💡 Customizable layout and themes
- 🔢 Large, clear numbers
- 🧮 Variety of functions (basic, scientific, etc.)

**What reviewers complain about**

- 💢 Intrusive ads, especially between calculations
- 🙄 Ads that are difficult to close
- 🤦‍♂️ Ads that interrupt workflow
- 🤑 Expensive to remove ads
- 🚫 Gambling ads

**Reported bugs**

- Calculation errors with very large numbers
- Crashes after recent update
- Decimal point displayed as comma

**Requested features**

- Dark mode option
- Ability to sync calculation history across devices
- More advanced math functions (e.g. dms/dd)
- Customizable button layout
- Ability to disable ads without paying


### Calculator Smart

[App page](https://appshunter.io/ios/app/calculator-smart/id698030968)

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

**Highlights:** 30+ scientific operations, Degrees and Radians support, Parentheses and nested equations, Intuitive input with slide-to-delete, Copy & Paste results, Apple Watch app and Lock Screen Widget, Colorful skins and custom icons

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colorful Skins and Remove Ads | $1.99 | one-time |
| Colorful Skins | $1.99 | one-time |
| Colorful Skins for Mac app | $1.99 | one-time |


## Frequently asked questions

### Is Calculator HD Pro Lite free?

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

### Is Calculator Smart free?

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

### Which has better reviews, Calculator HD Pro Lite or Calculator Smart?

Calculator Smart is rated higher. Calculator HD Pro Lite averages 4.6 out of 5 from 52K ratings, while Calculator Smart averages 4.7 from 498 ratings.

### Do Calculator HD Pro Lite or Calculator Smart have ads?

Both Calculator HD Pro Lite and Calculator Smart show ads.

### Which is updated more often, Calculator HD Pro Lite or Calculator Smart?

Calculator HD Pro Lite ships an update every 2 months, and Calculator Smart every 4 months. Most recently, Calculator HD Pro Lite was updated on October 28, 2026 and Calculator Smart on October 23, 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.*