Report updated Apr 6, 2026

What Is Thermo Sudoku?

Thermo Sudoku is a premium, niche puzzle application developed by Nick Carney that focuses exclusively on the 'Thermometer' variant of Sudoku. By imposing strictly increasing numerical constraints within thermometer-shaped regions, it offers a specialized challenge for Sudoku purists. The app operates on a $4.99 paid-upfront model, successfully targeting a high-intent audience that values an ad-free, high-logic experience, as evidenced by its recent #88 debut on the US Paid Games charts.

What are the key features?

Thermo Sudoku GameplayDifferentiator

A variant of Sudoku featuring thermometer-shaped regions that impose additional constraints on number placement.

Sudoku Logic EngineStandard

Core puzzle mechanics requiring logical deduction to fill a 9x9 grid.

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Gathering public signals...

Sentiment analysis will be available once enough user reviews are collected.

How is it ranked?

ChartRankChange
Paid#88NEW
No rank history available for this chart.

What are the pros and cons?

Pros

  • Strong niche focus on a popular Sudoku variant (Thermo)
  • Premium ad-free monetization model
  • Successful initial chart entry in the Paid category

Cons

  • High barrier to entry ($4.99) compared to free alternatives
  • Lack of digital footprint (no website or social media)
  • Potential retention issues due to single-variant focus

What is the market outlook?

Growth Opportunities

  • Expansion into other Sudoku variants (Arrow, Sandwich)
  • Creation of a 'Lite' version for user acquisition
  • Community building within logic puzzle forums

Market Threats

  • All-in-one variant apps like Logic Wiz
  • Mass-market publishers adding Thermo modes to existing apps
  • Limited discoverability for non-specific search terms

Who competes with Thermo Sudoku?

Contenders

+

Dominates the 'variant' search space; while focused on Killer Sudoku, it captures users looking for Sudoku constraints beyond the standard grid.

+

Killer Sudoku Logic Engine

Good Sudoku by Zach Gage

Good Sudoku by Zach Gage

4.3 (1K)

Zach Gage

Focuses on high-level logic and deduction tools, appealing to the same 'smart puzzle' audience even without specific Thermo shapes.

+

Focuses on high-level logic and deduction tools, appealing to the same 'smart puzzle' audience even without specific Thermo shapes.

Peers

+

The mass-market leader for standard Sudoku; represents the primary entry point for users before they graduate to specialized variants.

+

Seasonal Events

Einstein's Riddle Logic Puzzle

Einstein's Riddle Logic Puzzle

0

Thomas Goossen

Focuses on pure deductive reasoning and grid-based logic, overlapping with the mental skillset required for Thermo Sudoku.

+

Focuses on pure deductive reasoning and grid-based logic, overlapping with the mental skillset required for Thermo Sudoku.

New Kids on the Block

+

A newer entry from a major publisher focusing on the specific 'logic grid' niche that Sudoku variant players often enjoy.

+

Family Tree Exploration

Knotwords

Knotwords

4.8 (8K)

Zach Gage

A modern, innovative logic-word hybrid that has quickly gained traction among the high-end puzzle community.

+

A modern, innovative logic-word hybrid that has quickly gained traction among the high-end puzzle community.

What are the key takeaways?

Thermo Sudoku is a divisive games app that is a paid app.

Best for: Sudoku enthusiasts and puzzle gamers looking for challenging, specialized variants of classic number puzzles.

How much does it cost?

Model: paid

Tiers:
One-time purchase at $4.99

The app utilizes a premium upfront pricing model, targeting users who prefer a one-time purchase over ad-supported or subscription-based puzzle games.

iOS Price

$4.99

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Thermo Sudoku Intelligence Report.” Updated Apr 6, 2026. https://marlvel.ai/intel-report/games/com-studiogoya-thermosudoku

Agent Markdown (.md)·

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