# Calculator HD Pro Lite vs Simple Calculator. +

The clearest difference is price: Calculator HD Pro Lite at Free against Simple Calculator. +'s $1.99. Calculator HD Pro Lite also leads on ratings volume (52K vs 147). Simple Calculator. +'s advantage is ads (none vs shown). On rating, review sentiment, update cadence and in-app purchases there is nothing between them.

Calculator HD Pro Lite is free to download; Simple Calculator. + costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Calculator HD Pro Lite against 4.7 for Simple Calculator. +. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 52K ratings behind it against 147, 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 73% of Simple Calculator. +'s.

Calculator HD Pro Lite ships an update every 2 months, Simple Calculator. + every 3 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator HD Pro Lite | Simple Calculator. + |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (52K ratings)](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141/reviews) | **[4.7 (147 ratings)](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779/reviews)** |
| Number of ratings | **52K** | 147 |
| Positive reviews | **77.3% of reviews** | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [tasser gyati](https://appshunter.io/developer/1324926550) |

## 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


### Simple Calculator. +

[App page](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779)

This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.

**Highlights:** 12-digit display, Tax calculation, Cost, selling price, and gross margin calculations, Memory operations, Grand total (GT), Percentage calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator HD Pro Lite free?

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

### Is Simple Calculator. + free?

Simple Calculator. + costs $1.99, with no in-app purchases.

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

Simple Calculator. + is rated higher. Calculator HD Pro Lite averages 4.6 out of 5 from 52K ratings, while Simple Calculator. + averages 4.7 from 147 ratings.

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

Calculator HD Pro Lite shows ads; Simple Calculator. + does not.

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

Calculator HD Pro Lite ships an update every 2 months, and Simple Calculator. + every 3 months. Most recently, Calculator HD Pro Lite was updated on October 29, 2026 and Simple Calculator. + on October 28, 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.*