Think vs Sudoku by Skillkeep
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Think
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"Think Sharp" is an engaging logic-based puzzle game designed to test and sharpen your mind. With a series of progressively challenging levels, players will face a variety of brain teasers and tricky problems that require keen observation, strategic thinking, and clever solutions. As each level is completed, the next becomes more difficult, ensuring a rewarding experience for puzzle lovers and critical thinkers alike. Can you outsmart every challenge and prove your sharp thinking skills?
Sudoku by Skillkeep
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Welcome to Sudoku, kept simple. This is an ad-less standalone Sudoku app from the makers of Skillkeep, built for people who want a calm, focused puzzle experience without distractions. What you’ll love • Ad-free play. No banners, no nag screens, no pop-ups, no interruptions. • Play as much as you want. Yes, really. No "pay to play". • Clean, fast interface designed to keep you in the zone. • Great for a quick break or a longer sit-down session. • Ideal for both newcomers and experienced Sudoku players. Why “by Skillkeep”? Skillkeep is about consistent practice and improvement over time. Sudoku is a perfect daily ritual to keep your mind sharp; and this app is our simple, relaxing companion to that mission. If you’re looking for Sudoku that respects your attention, you’re in the right place.
Screenshots
Verdict
The clearest difference is update cadence: Think at every 2 days against Sudoku by Skillkeep's monthly. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Think ships an update every 2 days, Sudoku by Skillkeep monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Think | Sudoku by Skillkeep |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 86 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | AssetsTech-FZCO | Bitsational |
In-app purchases
Think
No in-app purchases
Sudoku by Skillkeep
No in-app purchases








