SUKOH vs Sosu der
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SUKOH
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Pure: Calculation Puzzle Game "SUKOH" is a stoic calculation puzzle game. Trace a single line over the numbers and symbols that fall from the top of your screen to create formulas whose answers match the values given in the challenge questions. Create formulas with a result that matches the values given in the challenge questions to clear each stage. Formulas are created using numbers from 0 to 9, addition (+), subtraction (-), multiplication (x) and division (÷) symbols as well as exponents (^). The game is designed with two different modes. “Puzzle” mode has no time limits, allowing you to take on the calculations slowly and pensively; “Trial” mode races you against the clock to see how many correct answers you can churn out within the time limit. Once you have cleared 10,000 stages, you will likely be ready for calculations using three digits and even negative numbers. -Features * An incredible 200 million stages. * Displays an IQ score when you clear a trial, allowing you to know your own IQ. * Ideal for limbering up an inflexible brain. This is brain training fit for the elite! * Simple and easy-to-use screen design that facilitates thinking. * Recording and streaming possible through "Everyplay". * Share your records and screenshots on SNS. * Achievements and leaderboards compatible with "Apple GameCenter".
Sosu der
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This app is a quiz application that determines whether a number is prime or composite and swipes the correct answer. A prime number is a natural number greater than 1 that is not divisible by any other number except 1 and the number itself. For example, 2, 3, 5, and 7 are single-digit prime numbers. Composite numbers (composite numbers) are natural numbers greater than 1 that are not prime and are represented by the product of smaller natural numbers (e.g., 4 = 2 x 2, 6 = 2 x 3). Through this app, you can test your judgment and reflexes while having fun learning these mathematical concepts. ... How many two-digit, three-digit, and four-digit prime numbers do you know? Translated with www.DeepL.com/Translator (free version)
Screenshots
Verdict
The clearest difference is ads: SUKOH at none against Sosu der's shown. SUKOH also leads on iOS requirement (9.1 vs 15.0). Sosu der's advantage is update cadence (every 4 months vs every 16 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SUKOH ships an update every 16 months, Sosu der every 4 months. Both last shipped on October 17, 2026.
| Parameter | SUKOH | Sosu der |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 181 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Takemi Matsumoto | Hirobumi Onishi |
In-app purchases
SUKOH
No in-app purchases
Sosu der
No in-app purchases









