# Invaders Inc. vs Bio inc. Redemption

The clearest difference is rating: Bio inc. Redemption at 4.7 against Invaders Inc.'s 3.3. Bio inc. Redemption also leads on update cadence (every 5 days vs every 3 months) and ratings volume (2.2K vs 132). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Invaders Inc. sells 1 one-off in-app purchase and Bio inc. Redemption sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Bio inc. Redemption holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Bio inc. Redemption has 2.2K ratings behind it against 132, so its average is the more settled of the two. Written reviews point the same way: 50% of Invaders Inc.'s written reviews are positive against 55% of Bio inc. Redemption's.

Invaders Inc. ships an update every 3 months, Bio inc. Redemption every 5 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Invaders Inc. | Bio inc. Redemption |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (132 ratings)](https://appshunter.io/ios/app/invaders-inc-alien-plague/id1077747523/reviews) | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/bio-inc-redemption/id1506490457/reviews)** |
| Number of ratings | 132 | **2.2K** |
| Positive reviews | 50.0% of reviews | **55.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 447 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [PHB Media Ltd](https://appshunter.io/developer/449688752) | [DryGin Studios](https://appshunter.io/developer/530299099) |

## What reviewers say

### Invaders Inc.

[App page](https://appshunter.io/ios/app/invaders-inc-alien-plague/id1077747523)

Lead an alien invasion in this fast-paced strategy game. Choose from various alien races, harvest resources, and upgrade your forces to conquer Earth. Experience challenging gameplay with multiple difficulty levels.

**Highlights:** Lead alien invasion, Choose from three alien races, Harvest and upgrade resources, Evolve alien species, Upgrade spaceships, Produce weapons of war

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Pack | $2.99 | one-time |

**What reviewers like**

- 🎮 Fun and addictive strategy gameplay
- 💰 Free-to-play model
- 👽 Unique alien invasion theme
- 🧠 Simple yet strategic mechanics
- ⚙️ Multiple difficulty levels

**What reviewers complain about**

- 📺 Excessive and intrusive ads
- ⏸️ Forced ads even to quit the game
- 🐢 Slow progression and point accumulation
- 😴 Limited content and gets boring quickly
- 📋 Limited to only three alien races

**Reported bugs**

- Game crashes after selecting difficulty
- White screen glitches after ads
- Unclosable ads preventing gameplay
- Ads bypass ad blockers
- Button malfunctions and unresponsive taps

**Requested features**

- Add more alien races
- Implement pause and speed controls
- Add visual effects and animations
- Include more detailed country-level maps
- Add online multiplayer mode


### Bio inc. Redemption

[App page](https://appshunter.io/ios/app/bio-inc-redemption/id1506490457)

Engage in a complex biomedical simulation where you can either create deadly illnesses to infect victims or lead a medical team to find cures. Explore two distinct campaigns, develop strategies, and compete in world tournaments. The game offers realistic medical scenarios with a focus on strategic decision-making.

**Highlights:** Biomedical simulation, Create illnesses or find cures, Realistic diseases and conditions, Two distinct campaigns, Skills system for upgrades, Side quests and rewards, World tournaments

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gems Pack | $1.99 | one-time |
| Offer Bundle | $2.99 | one-time |
| Offer Bundle | $4.99 | one-time |
| Gems Pack | $4.99 | one-time |
| Gems Pack | $9.99 | one-time |
| Offer Bundle | $9.99 | one-time |
| Offer Bundle | $17.99 | one-time |
| Gems Pack | $18.99 | one-time |
| Offer Bundle | $19.99 | one-time |
| Gems Pack | $94.99 | one-time |

**What reviewers like**

- 👍 Fun and interesting gameplay
- 🚀 Realistic and challenging
- 💡 Ability to choose between saving or killing the patient
- 👍 Teaches about diseases and medicine

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Issues with energy/coin system and power-ups
- 🐛 Bugs with completing levels and earning rewards
- 🐛 Loading problems and unresponsive app

**Reported bugs**

- Game freezing mid-game
- Coins/energy not being properly restored
- Rewards not registering for completed levels
- Mandatory tutorial not working properly

**Requested features**

- Add sandbox mode
- Implement multiplayer functionality
- Improve tutorial and onboarding
- Optimize for mobile devices


## Frequently asked questions

### Is Invaders Inc. free?

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

### Is Bio inc. Redemption free?

Bio inc. Redemption is free to download, with in-app purchases available.

### Which has better reviews, Invaders Inc. or Bio inc. Redemption?

Bio inc. Redemption is rated higher. Invaders Inc. averages 3.3 out of 5 from 132 ratings, while Bio inc. Redemption averages 4.7 from 2.2K ratings.

### Do Invaders Inc. or Bio inc. Redemption have ads?

Both Invaders Inc. and Bio inc. Redemption show ads.

### Which is updated more often, Invaders Inc. or Bio inc. Redemption?

Invaders Inc. ships an update every 3 months, and Bio inc. Redemption every 5 days. Most recently, Invaders Inc. was updated on November 2, 2026 and Bio inc. Redemption on November 7, 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.*