# Calculator Quest vs StackRush Impossible

The clearest difference is price: Calculator Quest at Free against StackRush Impossible's $0.99. Calculator Quest also leads on iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Calculator Quest is free to download; StackRush Impossible costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Calculator Quest | StackRush Impossible |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/calculator-quest/id562822539/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 72.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 9 MB | 8 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Liam Murray](https://appshunter.io/developer/1887420852) |

## What reviewers say

### Calculator Quest

[App page](https://appshunter.io/ios/app/calculator-quest/id562822539)

This app merges a functional calculator with role-playing game elements. It offers a "Calc mode" for standard calculations, a fast-typing number game, and a mental arithmetic challenge.

**Highlights:** Standard calculator functionality, Fast-typing number game, Mental arithmetic time attack, RPG elements

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Unique RPG calculator concept
- 👍 Fun and engaging gameplay
- 🎨 Cute and retro graphics
- 🎮 Good for learning math
- ✨ Original and interesting idea

**What reviewers complain about**

- 😠 Intrusive ads
- 📉 Lack of RPG depth
- 🚫 No offline play option
- 👎 Ads block numbers
- 🤷‍♂️ Unclear RPG elements

**Reported bugs**

- App crashes immediately after killing monsters
- Ads showing up on the top blocking off numbers
- App needs to be updated for iOS 11
- Can't use on new iPhone

**Requested features**

- Pay to remove ads option
- Offline play option
- More games to play
- Increase calculation level
- Add different calculation types (add, subtract, multiply, divide)


### StackRush Impossible

[App page](https://appshunter.io/ios/app/stackrush-impossible/id6761103791)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Quest free?

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

### Is StackRush Impossible free?

StackRush Impossible costs $0.99, with no in-app purchases.

### Do Calculator Quest or StackRush Impossible have ads?

Both Calculator Quest and StackRush Impossible show ads.

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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.*