# 2121 Game vs BioFarm Knowledge Test

The clearest difference is in-app purchases: 2121 Game at none against BioFarm Knowledge Test's 2. 2121 Game also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. BioFarm Knowledge Test sells 2 in-app purchases, starting at $9.99 per month. 2121 Game asks for nothing beyond the download.

2121 Game ships an update every 4 months, BioFarm Knowledge Test every 2 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 2121 Game | BioFarm Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 451 MB | 9 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [BeeLabs Ltd](https://appshunter.io/developer/603539026) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### 2121 Game

[App page](https://appshunter.io/ios/app/2121-game/id6474293851)

**In-app purchases:** none


### BioFarm Knowledge Test

[App page](https://appshunter.io/ios/app/biofarm-knowledge-test/id6740738735)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


## Frequently asked questions

### Is 2121 Game free?

2121 Game is free to download, with no in-app purchases.

### Is BioFarm Knowledge Test free?

BioFarm Knowledge Test is free to download, with in-app purchases available.

### Do 2121 Game or BioFarm Knowledge Test have ads?

Neither 2121 Game nor BioFarm Knowledge Test shows ads.

### Which is updated more often, 2121 Game or BioFarm Knowledge Test?

2121 Game ships an update every 4 months, and BioFarm Knowledge Test every 2 months. Most recently, 2121 Game was updated on October 9, 2026 and BioFarm Knowledge Test on October 3, 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.*