Comparison

Think vs Sudoku by Skillkeep

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Think

Features
Read full description

"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?

About

Sudoku by Skillkeep

Features
Read full description

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

Think4 screens
Sudoku by Skillkeep4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 5 level
Think versus Sudoku by Skillkeep: the parameters behind the verdict, then further details
ParameterThinkSudoku by Skillkeep
PriceFreeFree
Update frequencyEvery 2 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size86 MB19 MB
Age rating17+4+
DeveloperAssetsTech-FZCOBitsational

In-app purchases

None

Think

No in-app purchases

None

Sudoku by Skillkeep

No in-app purchases

Questions

Is Think free?
Think is free to download, with no in-app purchases.
Is Sudoku by Skillkeep free?
Sudoku by Skillkeep is free to download, with no in-app purchases.
Do Think or Sudoku by Skillkeep have ads?
Neither Think nor Sudoku by Skillkeep shows ads.
Which is updated more often, Think or Sudoku by Skillkeep?
Think ships an update every 2 days, and Sudoku by Skillkeep monthly. Most recently, Think was updated on October 27, 2026 and Sudoku by Skillkeep on October 25, 2026.

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