# Fermi Poker vs 321

The clearest difference is in-app purchases: Fermi Poker at none against 321's 3. 321's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 321 sells 3 in-app purchases, starting at $8.99 per month. Fermi Poker asks for nothing beyond the download.

Fermi Poker ships an update weekly, 321 every 3 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fermi Poker | 321 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 84 MB | 39 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Daniel Fetz](https://appshunter.io/developer/6777172978) | [MUSTAFA KUK](https://appshunter.io/developer/6789743110) |

## What reviewers say

### Fermi Poker

[App page](https://appshunter.io/ios/app/fermi-poker/id6777172975)

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

**In-app purchases:** none


### 321

[App page](https://appshunter.io/ios/app/321-shared-player-duel/id6792809236)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Play - Monthly | $8.99 | per month |
| 5 Match Credits | $1.99 | one-time |
| 20 Match Credits | $3.99 | one-time |


## Frequently asked questions

### Is Fermi Poker free?

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

### Is 321 free?

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

### Do Fermi Poker or 321 have ads?

Neither Fermi Poker nor 321 shows ads.

### Which is updated more often, Fermi Poker or 321?

Fermi Poker ships an update weekly, and 321 every 3 days. Most recently, Fermi Poker was updated on October 24, 2026 and 321 on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*