# 1/2 one vs 2P Online

1/2 one and 2P Online are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

1/2 one ships an update every 2 months, 2P Online every 3 months. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 1/2 one | 2P Online |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 49 MB | 97 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [gravass, Inc.](https://appshunter.io/developer/1527714391) | [Sang Un Lee](https://appshunter.io/developer/508937262) |

## What reviewers say

### 1/2 one

[App page](https://appshunter.io/ios/app/12-one-half/id6526470967)

Test your luck and strategy in this simple guessing game. Aim for consecutive correct answers with a 50/50 chance, and track your progress. You get one chance to redo a selection per streak.

**Highlights:** 50/50 guessing mechanic, Consecutive correct answer tracking, Single redo per streak, Probability display, Simple L/R choices

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

**In-app purchases:** none


### 2P Online

[App page](https://appshunter.io/ios/app/2p-online/id6745364894)

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

**In-app purchases:** none


## Frequently asked questions

### Is 1/2 one free?

1/2 one is free to download, with no in-app purchases.

### Is 2P Online free?

2P Online is free to download, with no in-app purchases.

### Do 1/2 one or 2P Online have ads?

Both 1/2 one and 2P Online show ads.

### Which is updated more often, 1/2 one or 2P Online?

1/2 one ships an update every 2 months, and 2P Online every 3 months. Most recently, 1/2 one was updated on October 2, 2026 and 2P Online on October 24, 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.*