# One By Two vs Fog's Horn

The clearest difference is device support: Fog's Horn at 3 against One By Two's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

One By Two ships an update every 3 days, Fog's Horn every 5 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | One By Two | Fog's Horn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fogs-horn-lighthouse-game/id6782238819/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | — | Ad-supported |
| Size | 19 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sachin Gajraj](https://appshunter.io/developer/1893228299) | [Nana Annor Asante](https://appshunter.io/developer/1718660542) |

## What reviewers say

### One By Two

[App page](https://appshunter.io/ios/app/one-by-two-split-it/id6765600592)

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

**In-app purchases:** none


### Fog's Horn

[App page](https://appshunter.io/ios/app/fogs-horn-lighthouse-game/id6782238819)

Guide ships through fog by rotating a lighthouse beam and using a foghorn. Prevent ships from crashing into rocks and lead them to the harbor. Keep the lamp lit to achieve the best score.

**Highlights:** One-touch lighthouse controls, Atmospheric night-sea visuals, Guide ships to harbor, Use foghorn to prevent wrecks, Quick play sessions, Minimalist design

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

**In-app purchases:** none


## Frequently asked questions

### Is One By Two free?

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

### Is Fog's Horn free?

Fog's Horn is free to download, with no in-app purchases.

### Do One By Two or Fog's Horn have ads?

Both One By Two and Fog's Horn show ads.

### Which is updated more often, One By Two or Fog's Horn?

One By Two ships an update every 3 days, and Fog's Horn every 5 days. Most recently, One By Two was updated on November 5, 2026 and Fog's Horn on November 5, 2026.

---

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