# Tower Swap vs Simon's Bacteria

The clearest difference is ads: Simon's Bacteria at none against Tower Swap's shown. Tower Swap's advantage is iOS requirement (13.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Tower Swap sells 6 one-off in-app purchases and Simon's Bacteria sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tower Swap | Simon's Bacteria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (76 ratings)](https://appshunter.io/ios/app/tower-swap/id1463356368/reviews)** | — |
| Number of ratings | **76** | — |
| Positive reviews | 75.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 15 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [Curtis Robinson](https://appshunter.io/developer/1463356367) | [Andrei Kondratev](https://appshunter.io/developer/6786983517) |

## What reviewers say

### Tower Swap

[App page](https://appshunter.io/ios/app/tower-swap/id1463356368)

This match-3 puzzle game combines strategic tower defense with a medieval theme. Match three stones to create towers and defend your castle from incoming dragons. Enjoy instant play with no signup and offline capabilities.

**Highlights:** Match-3 puzzle mechanics, Tower defense gameplay, Castle defense against dragons, Merge stones to build towers, Offline play available, Online high score competition, Portrait mode for one-handed play

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile of Gold | $0.99 | one-time |
| Pile of Gold | $1.99 | one-time |
| Barrel of Gold | $2.49 | one-time |
| Barrel of Gold | $4.99 | one-time |
| Five Barrels of Gold! | $9.99 | one-time |
| Five Barrels Of Gold | $19.99 | one-time |


### Simon's Bacteria

[App page](https://appshunter.io/ios/app/simons-bacteria/id6786983515)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiplayer Unlock | $0.99 | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is Tower Swap free?

Tower Swap is free to download, with in-app purchases available.

### Is Simon's Bacteria free?

Simon's Bacteria is free to download, with in-app purchases available.

### Do Tower Swap or Simon's Bacteria have ads?

Tower Swap shows ads; Simon's Bacteria does not.

### Which is updated more often, Tower Swap or Simon's Bacteria?

Tower Swap ships an update every 3 weeks, and Simon's Bacteria every 3 weeks. Most recently, Tower Swap was updated on November 3, 2026 and Simon's Bacteria on October 31, 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.*