# Calculator· vs Calculator HD Pro Lite

The clearest difference is in-app purchases: Calculator HD Pro Lite at none against Calculator·'s 3. Calculator·'s advantage is rating (4.9 vs 4.6) and iOS requirement (12.0 vs 15.2). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Calculator HD Pro Lite asks for nothing beyond the download.

Calculator· holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 34K and 51K respectively. Written reviews point the same way: 84% of Calculator·'s written reviews are positive against 78% of Calculator HD Pro Lite's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 24, 2026.

## The numbers

| Metric | Calculator· | Calculator HD Pro Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews)** | [4.6 (51K ratings)](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141/reviews) |
| Number of ratings | 34K | **51K** |
| Positive reviews | **84.4% of reviews** | 77.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 40 MB | 47 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator·

[App page](https://appshunter.io/ios/app/calculator/id554836784)

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

**Highlights:** Basic arithmetic operations, Percentage calculations, Multiple color schemes, Copy results, Square, square root, inverse functions, iPad Split View support, Apple Watch support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App | $0.99 | per month |
| Upgrade App | $4.99 | per year |
| Upgrade App | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and responsive
- 💡 Percentage function works well
- 👍 Large, clear buttons
- 👍 Straightforward, no-frills design

**What reviewers complain about**

- 🔋 Frequent ads can be distracting
- 🐛 Occasional crashes or freezes
- 🔒 Lack of customization options
- 💡 No backspace/undo function
- 💡 Missing advanced features like memory

**Reported bugs**

- Crashes when performing long calculations
- Freezes when opening the app
- Incorrect results for some complex calculations

**Requested features**

- Add a backspace/undo button
- Implement a history/memory feature
- Provide more customization options
- Reduce frequency of ads


### 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· is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while Calculator HD Pro Lite averages 4.6 from 51K ratings.

### 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 2 months, and Calculator HD Pro Lite every 2 months. Most recently, Calculator· was updated on September 24, 2026 and Calculator HD Pro Lite on September 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.*