Ships Squared vs OKO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ships Squared
A logic puzzle game where players deduce the hidden layout of thirteen ships on a 10x10 grid. It offers varying difficulty levels, from casual to intensely challenging, and allows for custom game creation and sharing with friends.
- Deduce hidden ship layouts
- 10x10 grid gameplay
- 12 difficulty levels
- Unlimited custom games
- Design and share own layouts
- Workout for the mind
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Ships Squared (Ships²) is a new game exclusive to the iPhone/iPad/iPod touch. You probably grew out of Battleships a long time ago. Now it's time to grow back in. Because Ships² is for adults, not children. Ships² is addictive. If you let it, it will take over your mind and ruin your life. Thirteen ships are laid out on a 10x10 board according to strict rules. You fire at squares. You get the results. You deduce where the ships are. And you draw them. Unlike traditional Battleships, you don't actually need to sink the ships: it's deducing their layout that is the achievement. There are 12 levels, all using the same basic rules. The lightest ones can be played casually while waiting for the bus. The middling ones take from 5 to 20 minutes of concentrated thought. The heaviest levels demand intense, rigorous, error-free reasoning for half an hour or more. Only a few geniuses will attempt the top level, which takes two hours at least. Ships² is not a game of chance but of reasoning. It's a workout for the mind. Like all workouts, you mustn't overdo it. As it says on the bottle: please think responsibly! Ships² can create an unlimited number of different games for you to play. You can design your own layouts too, and send them to your friends to see how well they do. Full, illustrated instructions are included as part of the game.
OKO
A captivating puzzle game that transforms NASA satellite images into a cosmic visual and auditory experience. Reconstruct images by precisely stopping rotating circular pieces, with increasingly complex patterns and otherworldly soundscapes.
- Hypnotizing puzzle gameplay
- NASA satellite imagery
- Otherworldly soundscapes
- Retina graphics
- Increasingly complex patterns
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* Swisscom App of the Year 2012 OKO is a hypnotising puzzle game that turns satellite images taken from the NASA database into a mesmerising journey around the Planet. The game's rich otherworldly soundscapes are composed from recordings taken aboard space shuttles. The goal is to reconstruct an image by stopping rotating circles cut out from the image. For each level, the animated pieces draw increasingly complex patterns. The challenge is to be attentive to image juxtapositions in order to stop each circles movement at the right moment. Now available on the App Store with retina graphics! "Beautiful. Engaging. Excellent transmedia incorporation of space imagery.” – Yvonne Clearwater, New Media Innovation Leader at NASA / Ames Research Center
Screenshots
Verdict
The clearest difference is price: Ships Squared at Free against OKO's $3.99. Ships Squared also leads on rating (5.0 vs 4.0) and update cadence (every 6 weeks vs every 44 months). On ratings volume, ads, in-app purchases and device support 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
Ships Squared is free to download; OKO costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ships Squared holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 80% of Ships Squared's written reviews are positive against 71% of OKO's.
Ships Squared ships an update every 6 weeks, OKO every 44 months. The most recent releases landed on September 18, 2026 and August 19, 2026 respectively.
| Parameter | Ships Squared | OKO |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 5.0 (5 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 80.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 6 weeks — better | Every 44 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 14.0 |
| Further details — not scored | ||
| Size | 4 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Universalis Publishing | Playables |
Customer experience
Ships Squared
OKO
In-app purchases
Ships Squared
No in-app purchases
OKO
No in-app purchases
