# Mousebusters vs Underworld Office

The clearest difference is update cadence: Mousebusters at every 2 weeks against Underworld Office's monthly. Mousebusters also leads on iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Mousebusters sells 7 one-off in-app purchases and Underworld Office sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Mousebusters against 4.9 for Underworld Office. Both are backed by a comparable volume of ratings — 1.5K and 824 respectively. Written reviews are what separate them: 94% of Mousebusters's written reviews are positive against 91% of Underworld Office's.

Mousebusters ships an update every 2 weeks, Underworld Office monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mousebusters | Underworld Office |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/mousebusters/id1502065641/reviews) | **[4.9 (824 ratings)](https://appshunter.io/ios/app/underworld-office-ghost-story/id1533392283/reviews)** |
| Number of ratings | **1.5K** | 824 |
| Positive reviews | **93.6% of reviews** | 90.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 76 MB | 516 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Odencat Inc.](https://appshunter.io/developer/896494218) | [Buff Studio Co.Ltd.](https://appshunter.io/developer/828994637) |

## What reviewers say

### Mousebusters

[App page](https://appshunter.io/ios/app/mousebusters/id1502065641)

Embark on a pixel art adventure to vanquish spectral entities plaguing an apartment. As a member of the Mouse Busters, you'll help your master clear out ghosts and save residents from emotional darkness. This casual horror game progresses through tapping, character interaction, and object examination.

**Highlights:** Pixel art graphics, Story progression by tapping, Character interaction, Object examination, Casual horror adventure, Ghost busting gameplay

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze Support | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Silver Support | $2.99 | one-time |
| Extra Episode | $2.99 | one-time |
| Gold Support | $4.99 | one-time |
| Complete Package | $4.99 | one-time |
| Platinum Support | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and entertaining gameplay
- 🎨 Cute pixel art style
- 📖 Engaging and emotional story
- 🎶 Great background music
- 🔍 Interesting characters and lore

**What reviewers complain about**

- 💰 Paywall for full game access
- ⏱️ Tedious coffee bean collection
- 🤖 Repetitive ghost-hunting gameplay

**Reported bugs**

- Audio glitches and cutouts
- Occasional crashes

**Requested features**

- More gameplay variety
- Multiple story endings
- Reduced coffee bean requirement


### Underworld Office

[App page](https://appshunter.io/ios/app/underworld-office-ghost-story/id1533392283)

Embark on a captivating chat-style interactive story game where your choices shape a mysterious narrative filled with ghosts and touching episodes. Explore a unique world, meet intriguing characters, and uncover secrets in this visual novel adventure.

**Highlights:** Chat-style interactive storytelling, Mystery and ghost-themed episodes, Branching narrative with multiple routes, Collection of illustrations and titles, Unique puzzles, Free to play

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 400 Tickets | $0.99 | one-time |
| 1000 Tickets | $1.99 | one-time |
| Remove Ad, 800 Tickets | $3.99 | one-time |

**What reviewers like**

- ❤️ Heartwarming story
- 😍 Charming characters
- 🎨 Beautiful art style
- 🎥 Engaging animations
- 🔍 Interesting plot twists

**What reviewers complain about**

- 🤖 Occasional glitches and bugs
- 🔍 Unclear ticket system
- 📺 Frequent ads can disrupt immersion
- 🕰️ Short gameplay length

**Reported bugs**

- Choices not registering after watching ads
- Game freezing at certain decision points
- Translation errors in some dialogue

**Requested features**

- More story chapters and endings
- Ability to replay animations
- Ticket replenishment system
- Expanded character backstories


## Frequently asked questions

### Is Mousebusters free?

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

### Is Underworld Office free?

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

### Which has better reviews, Mousebusters or Underworld Office?

Underworld Office is rated higher. Mousebusters averages 4.8 out of 5 from 1.5K ratings, while Underworld Office averages 4.9 from 824 ratings.

### Do Mousebusters or Underworld Office have ads?

Both Mousebusters and Underworld Office show ads.

### Which is updated more often, Mousebusters or Underworld Office?

Mousebusters ships an update every 2 weeks, and Underworld Office monthly. Most recently, Mousebusters was updated on October 29, 2026 and Underworld Office on October 25, 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.*