OKO vs Math Riddles
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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
Math Riddles
Engage in a brain workout with over 40 unique math-based riddles and observation puzzles. Improve your memory, focus, and problem-solving skills with this captivating game. Play anytime, anywhere, with multiple difficulty levels for an intriguing mental journey.
- 40+ unique math riddles
- Observation puzzles
- Memory enhancement
- Focus improvement
- Problem-solving skills
- Offline play
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Welcome to Math Riddle, the ultimate brain workout game designed to elevate your cognitive abilities and keep your mind sharp! With 40+ unique math-based riddles and observation puzzles, challenge your memory, focus, and problem-solving skills. Whether you're looking to improve your IQ or simply have fun, Math Riddle offers an easy-to-use interface and multiple difficulty levels to keep you engaged. Play anytime, anywhere, as the game is fully offline playable. Get ready for an intriguing mental journey that becomes more captivating with each level!
Screenshots
Verdict
The clearest difference is price: Math Riddles at Free against OKO's $3.99. Math Riddles also leads on rating (5.0 vs 4.0) and update cadence (daily 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
Math Riddles is free to download; OKO costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Math Riddles holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively.
OKO ships an update every 44 months, Math Riddles daily. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | OKO | Math Riddles |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.0 (3 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 44 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Playables | Thiem Nguyen |
Customer experience
OKO
Math Riddles
In-app purchases
OKO
No in-app purchases
Math Riddles
No in-app purchases
Questions
Is OKO free?
Is Math Riddles free?
Which has better reviews, OKO or Math Riddles?
Do OKO or Math Riddles have ads?
Which is updated more often, OKO or Math Riddles?
Other comparisons
