Bacterias vs ST Battle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Bacterias
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.
- Inject bacteria into creatures
- Create unique monsters
- Discover new species
- Collect monsters
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Inject bacteria into creature to get monster !
ST Battle
Engage in a simple yet fun game where you control a character to catch monsters. Navigate the game world and collect all the creatures.
- Character control
- Monster catching
- Simple gameplay
- Clean interface
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Simple, fun and clean! Control the character move to catch the monsters.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Bacterias | ST Battle |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (210 ratings) — better | 2.1 (46 ratings) |
| Positive reviews | 41.7% of reviews — better | 32.0% of reviews |
| Number of ratings | 210 — better | 46 |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 253 MB | 216 MB |
| Age rating | 12+ | 4+ |
| Developer | Yso Corp | Quoc An Nguyen |
Customer experience
Bacterias
ST Battle
User reviews
Bacterias
From 210 App Store ratingsWhat we love
- 👍 Fun and creative game
- 👍 Original game concept
- 👍 Good for kids
- 👍 Engaging gameplay
- 👍 Interesting fight sequence
Room to improve
- ❌ Excessive ads
- ❌ Frequent ads
- ❌ Ads interrupt gameplay
- ❌ Glitchy gameplay
- ❌ Game lags significantly
ST Battle
From 46 App Store ratingsWhat we love
- ✨ Life-changing experience
- 👍 Entertaining gameplay
- 💯 Highly recommended
- 🌟 Very good game
- 🔥 Actual fire game
Room to improve
- ❌ Overwhelming ads
- 💀 Unplayable due to ads
- 👎 Scam and misleading
- 😠 Frustrating difficulty
- 🗑️ Waste of time
Bugs and requests
Bacterias
Reported bugs
7 issues- Monster gets too big in battle
- Monster falls through the ground
- Game lags heavily
- Game won't let users play
- Too many glitches
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- Info text gets too huge
- iPad battery drains fast
Requested features
9 requests- 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
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- Fix monster size in battles
- Fix ads frequency
- Add less ads
- Add more creatures
ST Battle
Reported bugs
5 issues- Cannot move after reviving
- Game doesn't work
- Ads prevent gameplay
- Inconsistent with ads
- Malware reported
Requested features
4 requests- Make it a game where speaker man fights toilets
- Remove ads
- Add updates
- Make it more like GMOD
In-app purchases
Bacterias
No in-app purchases
ST Battle
No in-app purchases
Questions
Is Bacterias free?
Is ST Battle free?
Which has better reviews, Bacterias or ST Battle?
Do Bacterias or ST Battle have ads?
Which is updated more often, Bacterias or ST Battle?
Other comparisons
