# Calculator HD Pro Lite vs Solves

The clearest difference is in-app purchases: Calculator HD Pro Lite at none against Solves's 6. Calculator HD Pro Lite also leads on ratings volume (51K vs 381). Solves's advantage is ads (none vs shown) and rating (4.9 vs 4.6). On price and iOS requirement there is nothing between them.

Both are free to download. Solves sells 6 one-off in-app purchases. Calculator HD Pro Lite asks for nothing beyond the download.

Solves holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 51K ratings behind it against 381, so its average is the more settled of the two. Written reviews point the same way: 78% of Calculator HD Pro Lite's written reviews are positive against 91% of Solves's.

Calculator HD Pro Lite ships an update every 2 months, Solves every 3 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Calculator HD Pro Lite | Solves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (51K ratings)](https://appshunter.io/ios/app/calculator-hd-pro-lite/id571121141/reviews) | **[4.9 (381 ratings)](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548/reviews)** |
| Number of ratings | **51K** | 381 |
| Positive reviews | 77.6% of reviews | **90.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 82 MB |
| Requires iOS | 15.2 | **15** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Oleg Barinov](https://appshunter.io/developer/1394359547) |

## 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


### Solves

[App page](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548)

A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.

**Highlights:** Edit expressions without limitations, Instant results, Sync calculation history across devices, Unit conversion (currencies, physical units), Fraction support, Customizable themes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Option #1 | $0.99 | one-time |
| Tip Option #2 | $1.99 | one-time |
| Tip Option #3 | $4.99 | one-time |
| Tip Option #4 | $9.99 | one-time |
| Solves+ | $9.99 | one-time |
| Tip Option #5 | $19.99 | one-time |

**What reviewers like**

- 👍 Excellent calculator app
- 🚀 Smooth and responsive
- 🔒 No ads or data collection
- 💡 Useful features like history, comments, and unit conversions
- 👍 Clean and intuitive design

**What reviewers complain about**

- 🐛 Occasional crashes or bugs after updates
- 🐛 Issues with certain mathematical operations
- 🐛 Family sharing not working properly
- 🐛 Lag or performance issues on some devices
- 💡 Desire for more advanced features like fractions, base conversions

**Reported bugs**

- Crashes when pressing certain buttons
- Issues with parsing complex expressions
- Incorrect results for some calculations
- Problems with history clearing or syncing

**Requested features**

- Add support for fractions and mixed numbers
- Implement a widget for quick access
- Allow resizing the app window on Mac
- Provide more customization options
- Add support for Apple Watch


## Frequently asked questions

### Is Calculator HD Pro Lite free?

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

### Is Solves free?

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

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

Solves is rated higher. Calculator HD Pro Lite averages 4.6 out of 5 from 51K ratings, while Solves averages 4.9 from 381 ratings.

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

Calculator HD Pro Lite shows ads; Solves does not.

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

Calculator HD Pro Lite ships an update every 2 months, and Solves every 3 weeks. Most recently, Calculator HD Pro Lite was updated on September 25, 2026 and Solves on September 19, 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.*