One By Two vs Fog's Horn
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One By Two
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Think you can split anything perfectly in half? In OneByTwo, your goal is beautifully simple: draw one continuous line across a shape to divide it into two exactly equal parts. Sounds easy? Just wait until the shapes start getting tricky. From basic geometry to complex, abstract forms, every round is a test of your eye, timing, and precision. The closer your cut is to a flawless 50/50 split, the higher your score. Whether you’re chasing absolute perfection, looking for a quick brain teaser, or competing for the top spot, OneByTwo is incredibly easy to pick up, but fiercely hard to master. Features: Satisfying Precision Mechanics: A hyper-responsive slicing engine that rewards true accuracy. Endless Geometric Variety: Symmetrical, asymmetrical, and entirely unpredictable shapes to keep you guessing. Sleek & Modern Aesthetic: A clean, minimalistic UI featuring deep dark backgrounds and striking glowing accents that keep you focused on the puzzle. Global Leaderboards: Fully integrated with Game Center. Challenge your friends and track your rank against players worldwide. Zero Friction Gameplay: Quick, pick-up-and-play sessions perfect for a one-minute break or an hour-long high-score chase. How to Play: Observe the shape presented on screen. Swipe to draw a single line, splitting the shape in two. Score points based on how close you get to a mathematically perfect 50/50 division. How close can you get to perfection? A puzzle experience crafted by GigaWhim.
Fog's Horn
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.
- One-touch lighthouse controls
- Atmospheric night-sea visuals
- Guide ships to harbor
- Use foghorn to prevent wrecks
- Quick play sessions
- Minimalist design
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Keep the lamp lit. Guide every ship home. Fog's Horn is an atmospheric lighthouse game where your moving pool of light is the only safe path through a dark, rock-filled sea. Catch ferries, clippers, and freighters in the beam, lead them toward the green harbor, and sound the foghorn when danger closes in. PLAY YOUR WAY • Endless Mode — survive rising traffic and chase a new best. • Level Mode — master new charts, ship mixes, and cross-currents. • Daily Challenge — play the same seeded harbor as everyone else and compete on Game Center. • Harbor Duels — face a rival lighthouse at every fifth checkpoint. MASTER THE NIGHT • Move the light with simple touch controls. • Build combos by saving ships in quick succession. • Learn three ship classes and adapt to changing currents. • Use the foghorn to turn every ship away from danger. • Learn the harbor through a guided tutorial. • Enjoy a moonlit seascape with synthesized sound and haptics. Three wrecks and the lamp goes dark. How long can you keep the harbor safe?
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | One By Two | Fog's Horn |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Sachin Gajraj | Nana Annor Asante |
In-app purchases
One By Two
No in-app purchases
Fog's Horn
No in-app purchases









