# Pulmonary vs 0rbiter

The clearest difference is in-app purchases: 0rbiter at none against Pulmonary's 1. 0rbiter also leads on update cadence (every 9 days vs every 4 months). Pulmonary's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pulmonary sells 1 one-off in-app purchase. 0rbiter asks for nothing beyond the download.

Pulmonary ships an update every 4 months, 0rbiter every 9 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | Pulmonary | 0rbiter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/pulmonary/id1215076838/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 103 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tommy Soereide Kjaer](https://appshunter.io/developer/1215076837) | [Senol Evsen](https://appshunter.io/developer/1705404708) |

## What reviewers say

### Pulmonary

[App page](https://appshunter.io/ios/app/pulmonary/id1215076838)

A challenging puzzle game that requires players to use past information to navigate obscured paths. Test your logic and problem-solving skills in this unique experience.

**Highlights:** Obscured path navigation, Information-based gameplay, Logic puzzles, Problem-solving challenges, Unique game mechanics

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 11 New Stages | $0.99 | one-time |


### 0rbiter

[App page](https://appshunter.io/ios/app/0rbiter/id6752026143)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pulmonary free?

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

### Is 0rbiter free?

0rbiter is free to download, with no in-app purchases.

### Do Pulmonary or 0rbiter have ads?

0rbiter shows ads; Pulmonary does not.

### Which is updated more often, Pulmonary or 0rbiter?

Pulmonary ships an update every 4 months, and 0rbiter every 9 days. Most recently, Pulmonary was updated on October 12, 2026 and 0rbiter on October 12, 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.*