# Calculator Quest vs Monster Feeder

The clearest difference is in-app purchases: Calculator Quest at none against Monster Feeder's 3. Monster Feeder's advantage is ads (none vs shown) and rating (4.6 vs 4.1). On price and device support there is nothing between them.

Both are free to download. Monster Feeder sells 3 one-off in-app purchases. Calculator Quest asks for nothing beyond the download.

Monster Feeder holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: Monster Feeder has 223 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 72% of Calculator Quest's written reviews are positive against 91% of Monster Feeder's.

Calculator Quest ships an update every 4 months, Monster Feeder every 4 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Calculator Quest | Monster Feeder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/calculator-quest/id562822539/reviews) | **[4.6 (223 ratings)](https://appshunter.io/ios/app/monster-feeder/id915351343/reviews)** |
| Number of ratings | 14 | **223** |
| Positive reviews | 72.3% of reviews | **90.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 11 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Istom Games Kft.](https://appshunter.io/developer/333561719) |

## 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)


### Monster Feeder

[App page](https://appshunter.io/ios/app/monster-feeder/id915351343)

Feed hungry monsters by giving them the correct food in this fast-paced arcade game. Unlock new monsters and themes as you climb the leaderboards and share your achievements. Enjoy retro graphics and simple one-handed controls.

**Highlights:** Feed carnivorous and herbivorous monsters, Unlockable monsters and themes, Leaderboards and achievements, Retro-style graphics, Simple one-handed controls, Social media sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable ads | $0.99 | one-time |
| Donate a buck | $0.99 | one-time |
| Unlock all monsters | $1.99 | one-time |

**What reviewers like**

- 👍 Addictive and fun gameplay
- 🚀 Simple yet challenging
- 💡 Unique monster-feeding concept
- 👍 Retro-style graphics and animations

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔋 Can be resource-intensive
- 👎 Some users find the monsters unappealing

**Reported bugs**

- Login screen freezes
- Compatibility issues with older devices

**Requested features**

- Update to support latest iOS versions
- Ability to select different game themes
- More monster variety and customization options


## Frequently asked questions

### Is Calculator Quest free?

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

### Is Monster Feeder free?

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

### Which has better reviews, Calculator Quest or Monster Feeder?

Monster Feeder is rated higher. Calculator Quest averages 4.1 out of 5 from 14 ratings, while Monster Feeder averages 4.6 from 223 ratings.

### Do Calculator Quest or Monster Feeder have ads?

Calculator Quest shows ads; Monster Feeder does not.

### Which is updated more often, Calculator Quest or Monster Feeder?

Calculator Quest ships an update every 4 months, and Monster Feeder every 4 weeks. Most recently, Calculator Quest was updated on November 1, 2026 and Monster Feeder on November 6, 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.*