# Blue Defense! vs Survival instinct 3D

The clearest difference is price: Survival instinct 3D at Free against Blue Defense!'s $0.99. Survival instinct 3D also leads on rating (5.0 vs 4.1) and review sentiment (100% vs 84%). Blue Defense!'s advantage is ads (none vs shown). On ratings volume, in-app purchases and device support there is nothing between them.

Survival instinct 3D is free to download; Blue Defense! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Survival instinct 3D holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews point the same way: 84% of Blue Defense!'s written reviews are positive against 100% of Survival instinct 3D's.

## The numbers

| Metric | Blue Defense! | Survival instinct 3D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.1 (9 ratings)](https://appshunter.io/ios/app/blue-defense/id295528445/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/survival-instinct-3d/id6504834539/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | 84.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Paid | **Ad-supported** |
| Size | 9 MB | 235 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Cat in a Box Software](https://appshunter.io/developer/1600179204) | [Joshua Rodriguez](https://appshunter.io/developer/1754025945) |

## What reviewers say

### Blue Defense!

[App page](https://appshunter.io/ios/app/blue-defense/id295528445)

Defend your planet from an relentless invasion force. This action-packed game challenges your reflexes and strategic thinking as you manage increasing pressure from attackers. Experience classic gameplay with modern features like level selection and global leaderboards.

**Highlights:** Classic mode gameplay, Quick Start difficulty selection, Level Select for practice and medals, Global High Scores list, Save state functionality, Tilt controls for aiming

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and fast gameplay
- 👍 Unique and intuitive controls
- 💎 Retro-style graphics
- 🕹️ Addictive and challenging
- 💰 Great value for money

**What reviewers complain about**

- 🔇 Lack of sound effects and music
- 🔄 Inverted controls can be confusing
- 🧠 Difficulty ramps up too quickly
- 🔋 Can be physically tiring to play

**Reported bugs**

- Crashes on newer iOS versions
- Medals not saving properly

**Requested features**

- Add sound effects and background music
- Option to invert or adjust controls
- Gradual difficulty increase
- Power-ups and weapon upgrades
- Global high score leaderboards


### Survival instinct 3D

[App page](https://appshunter.io/ios/app/survival-instinct-3d/id6504834539)

Engage in intense monster battles across varied maps, utilizing a customizable arsenal of guns and unique characters. Deploy support drones and AI helpers, and strategically place towers to overcome relentless waves and formidable bosses. Experience endless challenges and unlock golden guns to showcase your skills.

**Highlights:** Battle relentless monster waves, Diverse maps and environments, Unlockable characters and guns, Deploy drones and AI helpers, Strategic tower defense elements, Endless mode gameplay, Unlock golden guns

**In-app purchases:** none


## Frequently asked questions

### Is Blue Defense! free?

Blue Defense! costs $0.99, with no in-app purchases.

### Is Survival instinct 3D free?

Survival instinct 3D is free to download, with no in-app purchases.

### Which has better reviews, Blue Defense! or Survival instinct 3D?

Survival instinct 3D is rated higher. Blue Defense! averages 4.1 out of 5 from 9 ratings, while Survival instinct 3D averages 5.0 from 5 ratings.

### Do Blue Defense! or Survival instinct 3D have ads?

Survival instinct 3D shows ads; Blue Defense! does not.

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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.*