# Solves vs Qnum › Calculator

The clearest difference is review sentiment: Solves at 91% against Qnum › Calculator's 40%. Solves also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (382 vs 10). Qnum › Calculator's advantage is in-app purchases (none vs 6) and iOS requirement (9.3 vs 15). On price and ads there is nothing between them.

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

Solves holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Solves has 382 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 91% of Solves's written reviews are positive against 40% of Qnum › Calculator's.

Solves ships an update every 3 weeks, Qnum › Calculator every 3 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Solves | Qnum › Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (382 ratings)](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548/reviews)** | [4.7 (10 ratings)](https://appshunter.io/ios/app/qnum-calculator/id1485638902/reviews) |
| Number of ratings | **382** | 10 |
| Positive reviews | **90.6% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 82 MB | 31 MB |
| Requires iOS | 15 | **9.3** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Barinov](https://appshunter.io/developer/1394359547) | [Ahmet Orhan Tohma](https://appshunter.io/developer/1478493993) |

## What reviewers say

### 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


### Qnum › Calculator

[App page](https://appshunter.io/ios/app/qnum-calculator/id1485638902)

This utility app allows for multi-screen calculations, letting you switch between screens to continue equations without clearing previous work. Save notes, copy values, and access calculation history easily.

**Highlights:** Multiple calculation screens (up to 8), Duplicate and edit existing screens, Carry over variables or results to new screens, Assign shortcut keys to functions, Copy values and access calculation history

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solves free?

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

### Is Qnum › Calculator free?

Qnum › Calculator is free to download, with no in-app purchases.

### Which has better reviews, Solves or Qnum › Calculator?

Solves is rated higher. Solves averages 4.9 out of 5 from 382 ratings, while Qnum › Calculator averages 4.7 from 10 ratings.

### Do Solves or Qnum › Calculator have ads?

Neither Solves nor Qnum › Calculator shows ads.

### Which is updated more often, Solves or Qnum › Calculator?

Solves ships an update every 3 weeks, and Qnum › Calculator every 3 months. Most recently, Solves was updated on October 15, 2026 and Qnum › Calculator on October 9, 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.*