# Avoid 369 vs Prison Ferry

The clearest difference is ads: Avoid 369 at none against Prison Ferry's shown. Avoid 369 also leads on iOS requirement (12.0 vs 15.0). Prison Ferry's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Avoid 369 sells 1 one-off in-app purchase and Prison Ferry sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Avoid 369 ships an update monthly, Prison Ferry every 6 days. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Avoid 369 | Prison Ferry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (39 ratings)](https://appshunter.io/ios/app/avoid-369/id1578288448/reviews)** | — |
| Number of ratings | **39** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK SEONG PARK](https://appshunter.io/developer/488068869) | [Hayato Namiki](https://appshunter.io/developer/6809834915) |

## What reviewers say

### Avoid 369

[App page](https://appshunter.io/ios/app/avoid-369/id1578288448)

A brain-training puzzle game where players must avoid numbers that are multiples of three or contain the digits 3, 6, or 9. It challenges logical thinking and quick decision-making. This game is designed to sharpen your mind.

**Highlights:** Avoid multiples of 3, Avoid numbers with 3, 6, or 9, Brain training, 3D puzzle gameplay, Logical thinking challenge

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |


### Prison Ferry

[App page](https://appshunter.io/ios/app/prison-ferry-no-escape/id6816818739)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Avoid 369 free?

Avoid 369 is free to download, with in-app purchases available.

### Is Prison Ferry free?

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

### Do Avoid 369 or Prison Ferry have ads?

Prison Ferry shows ads; Avoid 369 does not.

### Which is updated more often, Avoid 369 or Prison Ferry?

Avoid 369 ships an update monthly, and Prison Ferry every 6 days. Most recently, Avoid 369 was updated on October 13, 2026 and Prison Ferry on October 19, 2026.

---

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