# One vs OutBreak2D

The clearest difference is ads: OutBreak2D at none against One's shown. OutBreak2D also leads on update cadence (daily vs every 16 months). One's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

One ships an update every 16 months, OutBreak2D daily. The most recent releases landed on October 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | One | OutBreak2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/outbreak2d/id6504737759/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Daily** |
| Monetization | — | Free |
| Size | 70 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Shinichi Takayama](https://appshunter.io/developer/1452771438) | [Faisl Qurishi](https://appshunter.io/developer/1753621613) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-two-stack/id1458909941)

**Features:** macOS Compatibility

**In-app purchases:** none


### OutBreak2D

[App page](https://appshunter.io/ios/app/outbreak2d/id6504737759)

Engage in a round-based survival horror action game where you choose from unique characters to battle waves of zombies. Survive as long as possible, clear rounds quickly for rewards, and experience a dynamic day and night cycle. Challenge your friends to achieve the highest survival round.

**Highlights:** Four unique playable characters, Round-based zombie survival, Dynamic day and night cycle, Reward system for clearing rounds, Intuitive controls for iPhone and iPad, Stunning 2D graphics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One free?

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

### Is OutBreak2D free?

OutBreak2D is free to download, with no in-app purchases.

### Do One or OutBreak2D have ads?

One shows ads; OutBreak2D does not.

### Which is updated more often, One or OutBreak2D?

One ships an update every 16 months, and OutBreak2D daily. Most recently, One was updated on October 4, 2026 and OutBreak2D on September 14, 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.*