# Bacterias vs Observe!

The clearest difference is in-app purchases: Bacterias at none against Observe!'s 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Observe! sells 4 one-off in-app purchases. Bacterias asks for nothing beyond the download.

## The numbers

| Metric | Bacterias | Observe! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (210 ratings)](https://appshunter.io/ios/app/bacterias/id1672033845/reviews)** | — |
| Number of ratings | **210** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 253 MB | 67 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Yso Corp](https://appshunter.io/developer/659815325) | [Rom Elyashiv](https://appshunter.io/developer/1733490557) |

## What reviewers say

### Bacterias

[App page](https://appshunter.io/ios/app/bacterias/id1672033845)

Create unique monsters by injecting bacteria into creatures. Discover new species and expand your collection of bizarre beings. A simple yet engaging game for those who enjoy creature creation and collection.

**Highlights:** Inject bacteria into creatures, Create unique monsters, Discover new species, Collect monsters

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and creative game
- 👍 Original game concept
- 👍 Good for kids
- 👍 Engaging gameplay
- 👍 Interesting fight sequence

**What reviewers complain about**

- ❌ Excessive ads
- ❌ Frequent ads
- ❌ Ads interrupt gameplay
- ❌ Glitchy gameplay
- ❌ Game lags significantly

**Reported bugs**

- Monster gets too big in battle
- Monster falls through the ground
- Game lags heavily
- Game won't let users play
- Too many glitches

**Requested features**

- Add more animals (lion, elephant, zebra)
- Add decorated cages for monsters
- Add a battlefield to challenge other people
- Add more DNA
- Add more money to spend


### Observe!

[App page](https://appshunter.io/ios/app/observe-brain-training-game/id6805854148)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins Pack | $0.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 550 Coins Pack | $4.99 | one-time |
| 1200 Coins Pack | $9.99 | one-time |


## Frequently asked questions

### Is Bacterias free?

Bacterias is free to download, with no in-app purchases.

### Is Observe! free?

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

### Do Bacterias or Observe! have ads?

Both Bacterias and Observe! show ads.

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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.*