Boson X vs Cavern Collapse
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Boson X
Experience a fast-paced rotational runner set within a particle accelerator. Jump between Planck units, generate high-energy collisions, and discover new particles in a hazardous subatomic world. This game emphasizes precise timing and reflexes without in-app purchases or power-ups.
- Rotational runner gameplay
- Particle accelerator setting
- Quantum jumping mechanics
- High-energy collision generation
- Subatomic world navigation
- Precise timing and reflexes required
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Boson X is a fast-paced rotational runner set in a particle accelerator. Featured as one of the Best of 2013 apps on the App Store. "a brilliant, twitchy arcade masterpiece that pulsates with originality and heart" - Pocket Gamer, 9/10 "a massively unique take on the endless runner genre" - Gamezebo, 4.5/5 "an amazingly compelling game" - Touch Arcade, 5/5 Quantum jump from Planck to Planck as you build up speed inside an enormous particle accelerator and generate high-energy collisions to discover strange new particles. Use precise timing and fast reflexes to navigate a hazardous subatomic world where floors and ceilings don't exist. Will you be fast enough to find the elusive Boson X? This game contains no in-app purchases, superfluous power-ups, coins or XP systems - just deadly serious scientific research. iPhone 4 or newer recommended. WARNING: Some sections of this game contain flashing lights.
Cavern Collapse
Navigate a collapsing cavern, using a grappling hook to interact with the environment and survive. Aim for the highest score in this challenging arcade survival experience.
- Grappling hook mechanics
- High score chasing
- Collapsing cavern environment
- Arcade survival gameplay
- Platform protection
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High score arcade survival game in a collapsing cavern. Control Grayson Grappler and hook into hazards to protect yourself, and the platform you stand on, in a continuosly collapsing cave.
Screenshots
Verdict
The clearest difference is price: Cavern Collapse at Free against Boson X's $2.99. Cavern Collapse also leads on update cadence (daily vs every 6 months) and rating (5.0 vs 4.7). Boson X's advantage is ratings volume (104 vs 3). On ads, in-app purchases, device support and iOS requirement 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
Cavern Collapse is free to download; Boson X costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Cavern Collapse holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Boson X has 104 ratings behind it against 3, so its average is the more settled of the two.
Boson X ships an update every 6 months, Cavern Collapse daily. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.
| Parameter | Boson X | Cavern Collapse |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.7 (104 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 83.2% of reviews | — |
| Number of ratings | 104 — better | 3 |
| Update frequency | Every 6 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 10.0 |
| Further details — not scored | ||
| Size | 22 MB | 66 MB |
| Age rating | 9+ | 4+ |
| Developer | Shape Shop Pty Ltd atf Shape Shop Trust | Hunter Cleary |
Customer experience
Boson X
Cavern Collapse
Bugs and requests
Boson X
Reported bugs
3 issues- Crashes on launch
- Aspect ratio issues on iPhone 5/6
- Laser spawning bug on later levels
Requested features
4 requests- More levels and content
- Difficulty settings
- Improved controls
- Cloud save support
Cavern Collapse
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Boson X
No in-app purchases
Cavern Collapse
No in-app purchases
