# Just a Pet Rock vs Plumb

The clearest difference is in-app purchases: Just a Pet Rock at none against Plumb's 1. Just a Pet Rock also leads on iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Plumb sells 1 one-off in-app purchase. Just a Pet Rock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Just a Pet Rock against 5.0 for Plumb. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Just a Pet Rock ships an update every 3 weeks, Plumb monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Just a Pet Rock | Plumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/just-a-pet-rock/id6757351459/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/plumb-tower-stack/id6801711193/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 84 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [TAVIS ANDREW JOHNSON](https://appshunter.io/developer/1866310102) | [ARRON PAUL CHELMO](https://appshunter.io/developer/6789955576) |

## What reviewers say

### Just a Pet Rock

[App page](https://appshunter.io/ios/app/just-a-pet-rock/id6757351459)

Care for a virtual pet rock at your own pace in a calming adventure. Feed, clean, and rest your rock as it grows stronger in a whimsical world. This relaxing game offers gentle progression and charming visuals for quiet moments.

**Highlights:** Virtual pet care, Relaxing gameplay, Gentle progression, Whimsical world exploration, Charming visuals

**Features:** macOS Compatibility

**In-app purchases:** none


### Plumb

[App page](https://appshunter.io/ios/app/plumb-tower-stack/id6801711193)

Tap to stack blocks and build a tower. Misplace a block and your tower shrinks, but perfect landings restore its width. Master three distinct modes with increasing challenges and strategic pickups.

**Highlights:** One-tap gameplay, Three distinct game modes, Offline play, High score tracking per mode, Colorblind-friendly design, VoiceOver and Reduce Motion support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Just a Pet Rock free?

Just a Pet Rock is free to download, with no in-app purchases.

### Is Plumb free?

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

### Which has better reviews, Just a Pet Rock or Plumb?

Just a Pet Rock and Plumb are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Just a Pet Rock or Plumb have ads?

Both Just a Pet Rock and Plumb show ads.

### Which is updated more often, Just a Pet Rock or Plumb?

Just a Pet Rock ships an update every 3 weeks, and Plumb monthly. Most recently, Just a Pet Rock was updated on October 31, 2026 and Plumb on October 31, 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.*