# Calculator + vs Calculator HD Pro Lite

The clearest difference is in-app purchases: Calculator HD Pro Lite at none against Calculator +'s 12. Calculator HD Pro Lite also leads on ratings volume (51K vs 10K). Calculator +'s advantage is update cadence (every 4 days vs every 2 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month. 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 + against 4.6 for Calculator HD Pro Lite. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 51K ratings behind it against 10K, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 78% of Calculator HD Pro Lite's.

Calculator + ships an update every 4 days, Calculator HD Pro Lite every 2 months. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Calculator + | Calculator HD Pro Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews) | [4.6 (51K ratings)](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141/reviews) |
| Number of ratings | 10K | **51K** |
| Positive reviews | **84.9% of reviews** | 77.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 47 MB |
| Requires iOS | 16.4 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### 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


## Frequently asked questions

### Is Calculator + free?

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

### Is Calculator HD Pro Lite free?

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

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

Calculator + and Calculator HD Pro Lite are both rated 4.6 out of 5 on the App Store, from 10K and 51K ratings respectively.

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

Both Calculator + and Calculator HD Pro Lite show ads.

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

Calculator + ships an update every 4 days, and Calculator HD Pro Lite every 2 months. Most recently, Calculator + was updated on September 24, 2026 and Calculator HD Pro Lite on September 25, 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.*