# Granny Boss vs Explosion! ROBOBOM

The clearest difference is review sentiment: Explosion! ROBOBOM at 100% against Granny Boss's 44%. Explosion! ROBOBOM also leads on in-app purchases (none vs 20) and update cadence (every 2 days vs every 3 weeks). Granny Boss's advantage is ratings volume (490 vs 1) and chart position (#140 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Granny Boss sells 16 one-off in-app purchases. Explosion! ROBOBOM asks for nothing beyond the download.

Explosion! ROBOBOM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Granny Boss has 490 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of Granny Boss's written reviews are positive against 100% of Explosion! ROBOBOM's.

Granny Boss ships an update every 3 weeks, Explosion! ROBOBOM every 2 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Granny Boss | Explosion! ROBOBOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (490 ratings)](https://appshunter.io/ios/app/granny-boss/id6792776004/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/explosion-robobom/id6801443900/reviews)** |
| Number of ratings | **490** | 1 |
| Positive reviews | 43.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#140** | — |
| Size | 339 MB | 329 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Ketchapp](https://appshunter.io/developer/528065807) | [NHN PlayArt 株式会社](https://appshunter.io/developer/1084628015) |

## What reviewers say

### Granny Boss

[App page](https://appshunter.io/ios/app/granny-boss/id6792776004)

**Currently charting:** #140 Top Free · Adventure (US App Store)

Transform abandoned areas into profitable businesses by cleaning streets, collecting resources, and building a hotel empire. This game offers a mix of idle and active gameplay for a satisfying progression.

**Highlights:** Clean and restore neighborhoods, Collect loot and resources, Build and upgrade hotel empire, Manage income and progression, Explore city streets, Idle and active gameplay mix

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hard currency pack 1 | $0.99 | one-time |
| Chain offer 1 | $0.99 | one-time |
| Chain offer 2 | $1.99 | one-time |
| Monkey fetcher | $3.99 | one-time |
| Assistants boost | $4.99 | one-time |
| Regular No-ads | $4.99 | one-time |
| Premium dinosaur | $4.99 | one-time |
| Hard currency pack 02 | $4.99 | one-time |
| Chain offer 3 | $4.99 | one-time |
| Advanced No-ads | $7.99 | one-time |
| Production boost | $7.99 | one-time |
| Premium No-ads | $9.99 | one-time |
| Hard currency pack 3 | $9.99 | one-time |
| Chain offer 4 | $9.99 | one-time |
| Chapter 2 starter pack | $14.99 | one-time |
| Hard currency pack 05 | $49.99 | one-time |


### Explosion! ROBOBOM

[App page](https://appshunter.io/ios/app/explosion-robobom/id6801443900)

Blast away enemies in this explosive action game. Tap to move and unleash powerful attacks, charge up for even bigger blasts, and aim for a high score. Unlock upgrades to become stronger and defeat the boss.

**Highlights:** Tap to move and attack, Chargeable powerful blasts, Fever Time for max damage, Unlockable upgrades, High score challenges, Boss battles

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

**In-app purchases:** none


## Frequently asked questions

### Is Granny Boss free?

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

### Is Explosion! ROBOBOM free?

Explosion! ROBOBOM is free to download, with no in-app purchases.

### Which has better reviews, Granny Boss or Explosion! ROBOBOM?

Explosion! ROBOBOM is rated higher. Granny Boss averages 4.7 out of 5 from 490 ratings, while Explosion! ROBOBOM averages 5.0 from 1 ratings.

### Do Granny Boss or Explosion! ROBOBOM have ads?

Both Granny Boss and Explosion! ROBOBOM show ads.

### Which is updated more often, Granny Boss or Explosion! ROBOBOM?

Granny Boss ships an update every 3 weeks, and Explosion! ROBOBOM every 2 days. Most recently, Granny Boss was updated on October 24, 2026 and Explosion! ROBOBOM on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*