# Pulmonary vs Logic Ludum

The clearest difference is review sentiment: Logic Ludum at 100% against Pulmonary's 50%. Logic Ludum also leads on rating (5.0 vs 2.3) and update cadence (every 2 days vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Pulmonary sells 1 one-off in-app purchase and Logic Ludum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Logic Ludum holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 50% of Pulmonary's written reviews are positive against 100% of Logic Ludum's.

Pulmonary ships an update every 4 months, Logic Ludum every 2 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pulmonary | Logic Ludum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/pulmonary/id1215076838/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/logic-ludum/id1488298048/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 55 MB |
| Requires iOS | 16.4 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tommy Soereide Kjaer](https://appshunter.io/developer/1215076837) | [Ciro Manna](https://appshunter.io/developer/1461361803) |

## 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 |


### Logic Ludum

[App page](https://appshunter.io/ios/app/logic-ludum/id1488298048)

This Rubik's cube-inspired puzzle game challenges your logic and spatial reasoning. Move tiles to match colors, but be mindful of your move count before the game ends. It offers an addictive, anti-stress experience with increasing difficulty and a global leaderboard.

**Highlights:** Rubik's cube inspired gameplay, Move-limited puzzles, Endless puzzle mode, Brain training, Increasing difficulty, Global leaderboard

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $0.99 | one-time |


## Frequently asked questions

### Is Pulmonary free?

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

### Is Logic Ludum free?

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

### Which has better reviews, Pulmonary or Logic Ludum?

Logic Ludum is rated higher. Pulmonary averages 2.3 out of 5 from 3 ratings, while Logic Ludum averages 5.0 from 3 ratings.

### Do Pulmonary or Logic Ludum have ads?

Neither Pulmonary nor Logic Ludum shows ads.

### Which is updated more often, Pulmonary or Logic Ludum?

Pulmonary ships an update every 4 months, and Logic Ludum every 2 days. Most recently, Pulmonary was updated on November 2, 2026 and Logic Ludum on November 3, 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.*