# Bacterias vs ST Battle

The clearest difference is rating: Bacterias at 3.9 against ST Battle's 2.1. Bacterias also leads on review sentiment (42% vs 32%) and ratings volume (210 vs 46). ST Battle's advantage is update cadence (every 4 days vs every 3 months) and monetization model (ad-supported vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bacterias holds the better App Store score, 3.9 against 2.1. Both are backed by a comparable volume of ratings — 210 and 46 respectively. Written reviews point the same way: 42% of Bacterias's written reviews are positive against 32% of ST Battle's.

Bacterias ships an update every 3 months, ST Battle every 4 days. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Bacterias | ST Battle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (210 ratings)](https://appshunter.io/ios/app/bacterias/id1672033845/reviews)** | [2.1 (46 ratings)](https://appshunter.io/ios/app/st-battle/id6450452282/reviews) |
| Number of ratings | **210** | 46 |
| Positive reviews | **41.7% of reviews** | 32.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 253 MB | 216 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yso Corp](https://appshunter.io/developer/659815325) | [Quoc An Nguyen](https://appshunter.io/developer/1709338657) |

## 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


### ST Battle

[App page](https://appshunter.io/ios/app/st-battle/id6450452282)

Engage in a simple yet fun game where you control a character to catch monsters. Navigate the game world and collect all the creatures.

**Highlights:** Character control, Monster catching, Simple gameplay, Clean interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Life-changing experience
- 👍 Entertaining gameplay
- 💯 Highly recommended
- 🌟 Very good game
- 🔥 Actual fire game

**What reviewers complain about**

- ❌ Overwhelming ads
- 💀 Unplayable due to ads
- 👎 Scam and misleading
- 😠 Frustrating difficulty
- 🗑️ Waste of time

**Reported bugs**

- Cannot move after reviving
- Game doesn't work
- Ads prevent gameplay
- Inconsistent with ads
- Malware reported

**Requested features**

- Make it a game where speaker man fights toilets
- Remove ads
- Add updates
- Make it more like GMOD


## Frequently asked questions

### Is Bacterias free?

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

### Is ST Battle free?

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

### Which has better reviews, Bacterias or ST Battle?

Bacterias is rated higher. Bacterias averages 3.9 out of 5 from 210 ratings, while ST Battle averages 2.1 from 46 ratings.

### Do Bacterias or ST Battle have ads?

Both Bacterias and ST Battle show ads.

### Which is updated more often, Bacterias or ST Battle?

Bacterias ships an update every 3 months, and ST Battle every 4 days. Most recently, Bacterias was updated on October 21, 2026 and ST Battle on October 14, 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.*