Quantum vs SimPosture
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Quantum
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Unlock the Mysteries of the Quantum Realm! Dive into Quantum Cat, a unique 2D puzzle platformer that blends challenging physics-based gameplay with real quantum mechanics concepts. Take control of a cat with the extraordinary ability to exist in multiple states at once! The Observer Effect In this world, being seen changes everything. Navigate through 5 handcrafted levels where "Observers" (cameras and sensors) lock your state. Use your wits to stay hidden, or manipulate their gaze to your advantage. Superposition Mechanic Stuck at a wall? Need to be in two places at once? Activate your Superposition ability! Split your reality to interact with special quantum platforms, dodge traps, and phase through obstacles. But be careful—your quantum stability is draining fast! Key Features: -Unique Quantum Gameplay: A fresh take on platforming where you control probability, not just movement. -5 Mind-Bending Levels: Progressively difficult puzzles that will test your logic and reflexes. -Stability Management: Collect Quantum Orbs to restore your coherence and aim for the perfect run. -Dynamic Physics: Precise controls and interaction with a world that reacts to your presence. -Clean & Modern Art: A polished aesthetic inspired by the strange beauty of the subatomic world. Are you ready to challenge reality? Download Quantum Cat now and find out if the cat is alive, dead, or winning!
SimPosture
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SimPosture helps sim racers dial in the right seating position for their rig. Take a side-profile photo with your phone, choose your vehicle class — from road and GT3 to prototype and formula — and get a score across four categories with concrete tips on what to adjust next. Repeat the photo–adjust–photo cycle until your posture matches the class target. What you get: • Posture analysis from a single photo — automatic body-point detection, fine-tune if needed • Class-specific targets: road, GT3, prototype/LMP, formula, rally • Tips that match your seat: recliner or bucket, fixed or tiltable mount • Before/after comparison to track your progress • Share or save your assessment as an image • German and English, light and dark theme • Works offline after setup — no account, no cloud upload Your photos and analysis stay on your device. SimPosture gives ergonomics guidance for sim racing, not medical advice. Requires a dedicated racing seat — not for desk-wheel setups.
Screenshots
Verdict
The clearest difference is update cadence: Quantum at every 4 days against SimPosture's every 2 months. SimPosture's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Quantum ships an update every 4 days, SimPosture every 2 months. Both last shipped on October 31, 2026.
| Parameter | Quantum | SimPosture |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Celal Can Sagnak | Tobias Kafer |
In-app purchases
Quantum
No in-app purchases
SimPosture
No in-app purchases









