# PoBo World vs Mass Gravity

The clearest difference is ads: PoBo World at none against Mass Gravity's shown. PoBo World also leads on iOS requirement (12.0 vs 15.0). Mass Gravity's advantage is update cadence (every 4 days vs every 31 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. PoBo World sells 3 one-off in-app purchases and Mass Gravity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PoBo World against 5.0 for Mass Gravity. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PoBo World ships an update every 31 months, Mass Gravity every 4 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PoBo World | Mass Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pobo-world/id901799021/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mass-gravity/id6758637812/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 302 MB | 137 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Zinnbauer](https://appshunter.io/developer/782789640) | [Cihan Toraman](https://appshunter.io/developer/1858040697) |

## What reviewers say

### PoBo World

[App page](https://appshunter.io/ios/app/pobo-world/id901799021)

Design custom tracks to guide a character through challenging levels. Experience physics-based gameplay with unique puzzles and obstacles across multiple worlds. Earn rewards to unlock hints and personalize your character.

**Highlights:** Custom track creation, Physics-based gameplay, 60 challenging levels, 3 distinct worlds, Unlockable hints, Character customization

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 gold | $0.99 | one-time |
| 3000 gold | $1.99 | one-time |
| 5000 gold | $2.99 | one-time |


### Mass Gravity

[App page](https://appshunter.io/ios/app/mass-gravity/id6758637812)

Bend space-time with a touch in this minimalist physics puzzle. Create temporary gravitational fields to guide masses, requiring precise timing and placement. Navigate increasingly complex levels where understanding motion and force is key.

**Highlights:** Minimalist physics puzzle gameplay, Create temporary gravitational fields, Guide masses by influencing their paths, Focus on timing and placement, Increasingly complex levels, Sense force and read motion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is PoBo World free?

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

### Is Mass Gravity free?

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

### Which has better reviews, PoBo World or Mass Gravity?

PoBo World and Mass Gravity are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do PoBo World or Mass Gravity have ads?

Mass Gravity shows ads; PoBo World does not.

### Which is updated more often, PoBo World or Mass Gravity?

PoBo World ships an update every 31 months, and Mass Gravity every 4 days. Most recently, PoBo World was updated on October 24, 2026 and Mass Gravity on October 22, 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.*