Pulmonary vs Define Gravity
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pulmonary
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.
- Obscured path navigation
- Information-based gameplay
- Logic puzzles
- Problem-solving challenges
- Unique game mechanics
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A challenging puzzle game where the path in front of you is obscured. To figure out what's ahead, you'll need to use the information behind you.
Define Gravity
Navigate challenging 2D puzzles by manipulating gravity and using a magnetic force. This game offers a unique twist on puzzle-solving with its core mechanics.
- Gravity manipulation
- Magnetic force mechanics
- 2D puzzle gameplay
- Challenging levels
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Define gravity is a 2D game with a gravity defying twist. Make your way through puzzles by using a magnet and the power of gravity. Developed by Strider Studios Published by Mangum Labs
Screenshots
Verdict
The clearest difference is review sentiment: Define Gravity at 100% against Pulmonary's 50%. Define Gravity also leads on rating (5.0 vs 2.3) and in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Pulmonary sells 1 one-off in-app purchase. Define Gravity asks for nothing beyond the download.
Define Gravity holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 50% of Pulmonary's written reviews are positive against 100% of Define Gravity's.
Pulmonary ships an update every 4 months, Define Gravity every 2 days. The most recent releases landed on September 9, 2026 and June 7, 2026 respectively.
| Parameter | Pulmonary | Define Gravity |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 154 MB |
| Age rating | 4+ | 4+ |
| Developer | Tommy Soereide Kjaer | MangumLabs LLC |
Customer experience
Pulmonary
Define Gravity
In-app purchases
Pulmonary
- 11 New Stages$0.99
Define Gravity
No in-app purchases
