# Calculator Quest vs Digit Invader Calculator

The clearest difference is rating: Digit Invader Calculator at 4.8 against Calculator Quest's 4.1. Digit Invader Calculator also leads on ads (none vs shown) and update cadence (every 9 days vs every 4 months). Calculator Quest's advantage is iOS requirement (15.0 vs 17.6). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Digit Invader Calculator holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 14 and 12 respectively. Written reviews point the same way: 72% of Calculator Quest's written reviews are positive against 100% of Digit Invader Calculator's.

Calculator Quest ships an update every 4 months, Digit Invader Calculator every 9 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator Quest | Digit Invader Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/calculator-quest/id562822539/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/digit-invader-calculator/id6743176325/reviews)** |
| Number of ratings | **14** | 12 |
| Positive reviews | 72.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 9 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Daniel Fu Keung Kwan](https://appshunter.io/developer/1801804499) |

## 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, iPhone Duo 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)


### Digit Invader Calculator

[App page](https://appshunter.io/ios/app/digit-invader-calculator/id6743176325)

This app combines a functional calculator with a retro arcade game inspired by classic calculator interfaces. It offers automatic game saving, a high score list, and multitasking support on iPads. A scaled-down version is also available for Apple Watch.

**Highlights:** Retro calculator game, Basic calculator functions, Automatic game save, High score list, iPad Stage Manager support, Apple Watch version

**Features:** macOS Compatibility, Apple Watch app, 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 Digit Invader Calculator free?

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

### Which has better reviews, Calculator Quest or Digit Invader Calculator?

Digit Invader Calculator is rated higher. Calculator Quest averages 4.1 out of 5 from 14 ratings, while Digit Invader Calculator averages 4.8 from 12 ratings.

### Do Calculator Quest or Digit Invader Calculator have ads?

Calculator Quest shows ads; Digit Invader Calculator does not.

### Which is updated more often, Calculator Quest or Digit Invader Calculator?

Calculator Quest ships an update every 4 months, and Digit Invader Calculator every 9 days. Most recently, Calculator Quest was updated on October 29, 2026 and Digit Invader Calculator on October 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.*