# Pulmonary vs Touch CT

The clearest difference is in-app purchases: Touch CT at none against Pulmonary's 1. Touch CT also leads on update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

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

Pulmonary ships an update every 4 months, Touch CT monthly. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Pulmonary | Touch CT |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 3 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tommy Soereide Kjaer](https://appshunter.io/developer/1215076837) | [Igor Patrikeev](https://appshunter.io/developer/1717119256) |

## 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 |


### Touch CT

[App page](https://appshunter.io/ios/app/touch-ct/id6478787532)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pulmonary free?

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

### Is Touch CT free?

Touch CT is free to download, with no in-app purchases.

### Do Pulmonary or Touch CT have ads?

Neither Pulmonary nor Touch CT shows ads.

### Which is updated more often, Pulmonary or Touch CT?

Pulmonary ships an update every 4 months, and Touch CT monthly. Most recently, Pulmonary was updated on October 12, 2026 and Touch CT on October 5, 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.*