SpaceCrisis vs Knotless
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SpaceCrisis
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Controls ---------- - On Screen controls -> GamePad, dig button, cover button. - GamePad MFI compatible (Bluetooth). The Game ------------- Space Crisis is a classic-style arcade platform game where strategy, timing, and quick reflexes are key to survival. In the game, you play as a lone astronaut navigating a multi-level structure filled with platforms and ladders, constantly threatened by waves of hostile alien creatures. Unlike traditional platformers, there is no jumping, instead, you must outsmart enemies by digging temporary holes in the platforms. These traps can be used to capture aliens, who can then be eliminated before they escape. There are three distinct types of enemies: - Warrior, fast and aggressive, to death need one floor impact. - Boss, tougher and more resistant, to death need two floor impact. - Don, the most dangerous of all, combining speed and strength to relentlessly hunt you down, to death need three floor impact. Each type requires a different approach, forcing you to adapt your strategy on the fly. Adding to the challenge, you must also manage your oxygen levels as you explore the structure. Staying too long without planning your movements can be just as deadly as the enemies themselves, making every second count. Each level increases in difficulty, introducing faster and more unpredictable enemies that require careful planning and precise execution. The tension builds as you must manage space, anticipate enemy movement, and avoid being cornered. With its retro-inspired visuals and faithful mechanics, Space Crisis captures the essence of early arcade gaming while offering a challenging and engaging experience that rewards both skill and strategy.
Knotless
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Knotless is a small app where you simply tap glowing knot tiles and watch them turn. There are no rules. No scores. No ads. No words on the screen. Tap a tile, and the strand changes direction. Tap again, and the colors shift. The pattern feels like it is almost tangled, almost untangled, always moving. Knotless is not an app for achieving anything. It is just something to tap.
Screenshots
Verdict
The clearest difference is chart position: SpaceCrisis at #197 against Knotless's unranked. SpaceCrisis also leads on price ($1.99 vs $2.99) and iOS requirement (14.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
SpaceCrisis costs $1.99 and Knotless $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SpaceCrisis | Knotless |
|---|---|---|
| Price | $1.99 โ better | $2.99 |
| Update frequency | โ | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Best chart rank | #197 โ better | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 14.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 2 MB | 10 MB |
| Age rating | 9+ | 4+ |
| Developer | Ivan Cerra de Castro | Makoto Fukuoka |
In-app purchases
SpaceCrisis
No in-app purchases
Knotless
No in-app purchases









