# Numerical³ vs Solves

The clearest difference is in-app purchases: Numerical³ at none against Solves's 6. Numerical³ also leads on update cadence (every 2 weeks vs every 3 weeks) and ratings volume (1.3K vs 381). Solves's advantage is review sentiment (91% vs 75%) and device support (5 vs 3). On price, rating and ads there is nothing between them.

Both are free to download. Solves sells 6 one-off in-app purchases. Numerical³ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Numerical³ against 4.9 for Solves. Both are backed by a comparable volume of ratings — 1.3K and 381 respectively. Written reviews are what separate them: 75% of Numerical³'s written reviews are positive against 91% of Solves's.

Numerical³ ships an update every 2 weeks, Solves every 3 weeks. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Numerical³ | Solves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.3K ratings)](https://appshunter.io/ios/app/numerical/id804548449/reviews) | **[4.9 (381 ratings)](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548/reviews)** |
| Number of ratings | **1.3K** | 381 |
| Positive reviews | 75.4% of reviews | **90.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 113 MB | 82 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew J Clark](https://appshunter.io/developer/804548452) | [Oleg Barinov](https://appshunter.io/developer/1394359547) |

## What reviewers say

### Numerical³

[App page](https://appshunter.io/ios/app/numerical/id804548449)

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

**Highlights:** No equals button interface, Automatic bracket handling, Full scientific keypad, Today Widget integration, Numerical² Keyboard for any app, Equation editing, Customizable themes

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Simple and intuitive
- 👍 Clean and beautiful design
- 🚀 Fast and responsive
- 👍 Customizable themes

**What reviewers complain about**

- 🐛 Bugs and glitches (unresponsive keys, calculation errors)
- 🔍 Lack of advanced functions (scientific, unit conversion)
- 💡 Needs more theme options
- 💡 Needs iPad support
- 💡 Needs widget support

**Reported bugs**

- Unresponsive keys
- Calculation errors
- Crashes on startup

**Requested features**

- Add scientific functions (square root, trigonometry, etc.)
- Implement an equals button
- Add more theme options
- Develop an iPad version
- Bring back widget support


### 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 Numerical³ free?

Numerical³ 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, Numerical³ or Solves?

Solves is rated higher. Numerical³ averages 4.8 out of 5 from 1.3K ratings, while Solves averages 4.9 from 381 ratings.

### Do Numerical³ or Solves have ads?

Neither Numerical³ nor Solves shows ads.

### Which is updated more often, Numerical³ or Solves?

Numerical³ ships an update every 2 weeks, and Solves every 3 weeks. Most recently, Numerical³ was updated on October 1, 2026 and Solves on September 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.*