# Calculator Quest vs Nukleus

The clearest difference is in-app purchases: Calculator Quest at none against Nukleus's 4. Nukleus's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Nukleus sells 4 one-off in-app purchases. Calculator Quest asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for Calculator Quest against 4.1 for Nukleus. Both are backed by a comparable volume of ratings — 14 and 28 respectively. Written reviews are what separate them: 72% of Calculator Quest's written reviews are positive against 67% of Nukleus's.

Calculator Quest ships an update every 4 months, Nukleus every 5 days. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Calculator Quest | Nukleus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/calculator-quest/id562822539/reviews) | [4.1 (28 ratings)](https://appshunter.io/ios/app/nukleus/id1124324199/reviews) |
| Number of ratings | 14 | **28** |
| Positive reviews | **72.3% of reviews** | 67.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 29 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) |

## 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)


### Nukleus

[App page](https://appshunter.io/ios/app/nukleus/id1124324199)

Test your reflexes in this addictive single-tap game. Match the core's color to incoming objects to survive as long as possible. Compete with friends on the Game Center leaderboard.

**Highlights:** Single tap gameplay, Color matching mechanic, Requires quick reflexes, Full concentration needed, Game Center leaderboard

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| 3000 Orbs | $0.99 | one-time |
| 10,000 Orbs | $1.99 | one-time |
| 30,000 Orbs | $2.99 | one-time |

**What reviewers like**

- 🤩 Addictive gameplay
- 🧠 Mind battling and challenging
- ⏱️ Great time killer
- ✨ Smooth gameplay
- 👍 Simple yet fun

**What reviewers complain about**

- 😩 Too many ads
- ⏳ Ads are too long
- 😵 Difficulty for colorblind users
- 🎶 Cannot listen to own music
- 🔄 New version control disliked

**Reported bugs**

- App crashes on startup
- New scores not appearing on leaderboard
- Game closes immediately upon opening
- Game crashes after title screen

**Requested features**

- Allow listening to own music
- Option to buy out ads
- Adjust ad frequency
- Add textures for colorblind accessibility
- Hardcore mode for more challenge


## Frequently asked questions

### Is Calculator Quest free?

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

### Is Nukleus free?

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

### Which has better reviews, Calculator Quest or Nukleus?

Calculator Quest and Nukleus are both rated 4.1 out of 5 on the App Store, from 14 and 28 ratings respectively.

### Do Calculator Quest or Nukleus have ads?

Calculator Quest shows ads; Nukleus does not.

### Which is updated more often, Calculator Quest or Nukleus?

Calculator Quest ships an update every 4 months, and Nukleus every 5 days. Most recently, Calculator Quest was updated on October 29, 2026 and Nukleus on November 2, 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.*