# Quantum Shift vs C

The clearest difference is review sentiment: C at 77% against Quantum Shift's 35%. C also leads on ads (none vs shown) and rating (4.7 vs 4.3). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Quantum Shift sells 6 one-off in-app purchases and C sells 17 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

C holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 586 and 2K respectively. Written reviews point the same way: 35% of Quantum Shift's written reviews are positive against 77% of C's.

Quantum Shift ships an update every 5 days, C every 8 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Quantum Shift | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (586 ratings)](https://appshunter.io/ios/app/quantum-shift/id1344796087/reviews) | **[4.7 (2K ratings)](https://appshunter.io/ios/app/c-ram-air-defense-simulator-3d/id1670008464/reviews)** |
| Number of ratings | 586 | **2K** |
| Positive reviews | 35.0% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 112 MB | 508 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [PARADYME LIMITED](https://appshunter.io/developer/1327375963) | [Rahman Mammadov](https://appshunter.io/developer/1391372218) |

## What reviewers say

### Quantum Shift

[App page](https://appshunter.io/ios/app/quantum-shift/id1344796087)

Pilot a starship through challenging space environments, battling alien forces with advanced weaponry. Unlock new ships, upgrades, and special abilities to defend the galaxy and achieve top pilot status.

**Highlights:** Navigate asteroid fields and forcefields, Battle alien ships with deadly weapons, Unlock new ships and specials, Customize onboard weapons, Achieve new pilot achievements

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Dark Matter | $0.99 | one-time |
| Chimera | $0.99 | one-time |
| Javeling | $0.99 | one-time |
| 2500 Dark Matter | $1.99 | one-time |
| 5000 Dark Matter | $2.99 | one-time |
| 10000 Dark Matter | $3.99 | one-time |

**What reviewers like**

- 👍 Enjoyable casual gameplay experience
- 📱 Fun to play in short sessions
- 🎮 No intrusive ads (optional reward ads only)
- ⭐ Engaging for some players

**What reviewers complain about**

- 🎨 Poor graphics quality
- 🕹️ Trash controls and mechanics
- ❌ Limited gameplay variety and options
- 🚫 Cannot customize character selection
- 💰 Premium ships non-functional

**Reported bugs**

- Premium ships don't work properly
- Screen freezes for extended periods
- Inability to change directions when avoiding obstacles
- Inconsistent meteor collision detection
- Weapon acquisition system unclear or broken

**Requested features**

- Battle royale game mode with progression system
- Cooperative multiplayer with allies defending alongside player
- Planet destruction mechanics
- Free aircraft/ship option
- Character customization and selection


### C

[App page](https://appshunter.io/ios/app/c-ram-air-defense-simulator-3d/id1670008464)

Engage in intense aerial combat and strategic air defense. Command advanced anti-aircraft systems and pilot legendary fighter jets to repel enemy assaults and achieve air superiority. Experience realistic graphics and diverse battle scenarios.

**Highlights:** Intense Defense Mode, Thrilling Attack Missions, Aerial Dogfights, Diverse Arsenal, Legendary Aircraft, Advanced Features

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get $500 | $0.29 | one-time |
| Unlock Gun | $0.69 | one-time |
| Unlock Gun | $0.99 | one-time |
| Get  $5000 | $0.99 | one-time |
| Unlock Gun | $1.49 | one-time |
| Unlock Gun | $1.99 | one-time |
| Unlock Gun | $2.49 | one-time |
| Unlock Gun | $2.99 | one-time |
| Unlock Map | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Get $25000 | $5.99 | one-time |
| Unlock the Aircraft | $7.99 | one-time |
| Unlock Gun | $9.99 | one-time |
| Get $100000 | $9.99 | one-time |
| Unlock Map | $9.99 | one-time |
| Unlock Aircraft | $9.99 | one-time |
| Get $1000000 | $39.99 | one-time |

**What reviewers like**

- 🚀 Fun game
- 💡 Realistic physics
- 👍 Great overall game
- 👍 Awesome
- 👍 Recommended

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔋 Performance issues
- 💰 Expensive/Grindy
- 🤖 Unrealistic features
- 📺 Excessive ads

**Reported bugs**

- Targets staying out of range
- Invisible/glitched enemy models
- Graphical/texture issues
- Upgrade/progression bugs
- Crashing and performance problems

**Requested features**

- Add more planes and vehicles
- Improve camera controls
- Add lock-on targeting system
- Implement more realistic CIWS mechanics
- Add ammo counter and cooldown indicators


## Frequently asked questions

### Is Quantum Shift free?

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

### Is C free?

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

### Which has better reviews, Quantum Shift or C?

C is rated higher. Quantum Shift averages 4.3 out of 5 from 586 ratings, while C averages 4.7 from 2K ratings.

### Do Quantum Shift or C have ads?

Quantum Shift shows ads; C does not.

### Which is updated more often, Quantum Shift or C?

Quantum Shift ships an update every 5 days, and C every 8 days. Most recently, Quantum Shift was updated on October 20, 2026 and C on October 21, 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.*