Comparison

Thermometers vs Sky Grid

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

Head to head
About

Thermometers

A minimalist logic game where you fill thermometers based on row and column hints. It offers hundreds of levels with gradually increasing difficulty, designed to train your logic skills. Enjoy a clean interface and precise controls for an engaging puzzle experience.

Highlights
  • Fill thermometers based on hints
  • Hundreds of levels
  • Clean and intuitive design
  • Precision drag-and-fill controls
  • Offline play
  • Gradual difficulty progression
Features
Read full description

Fill every thermometer with pure logic - no random guessing, ever. Thermometers - Logic Puzzles is a calm, focused brain game for fans of Sudoku, Nonogram, Picross, and number grid puzzles. Read the row and column clues, fill each thermometer from the bulb toward the tip, and feel the whole board click into place. WHY YOU'LL LOVE IT - 9,000+ logic puzzles, from quick 4x4 warm-ups to epic 17x17 boards - Designed for pure deduction - every puzzle has a clean logical path - 5 difficulty levels: Beginner, Normal, Hard, Expert, and Master - Daily Challenge: a fresh calendar puzzle every single day - Brain Test: a dedicated level path with extra-large expert boards - Dark Mode and a cozy warm-paper look that is easy on your eyes - Fill and Mark input modes, with a precise drag-friendly cursor - Smart hints when you get stuck, and statistics to track your progress - Works fully offline - perfect for flights and commutes - Progress backed up to the cloud HOW TO PLAY 1. Thermometers always fill from the round bulb toward the tip. 2. The numbers tell you how many cells must be filled in each row and column. 3. Mark the cells that must stay empty, fill in the rest. 4. Complete the board without breaking a single rule - that's the puzzle! Easy to learn, deeply satisfying to master. Whether you want a two-minute coffee-break puzzle or a long evening of deduction, Thermometers gives your brain a workout without the stress - no time limit, play at your own pace. Download now and make logic your daily habit! For Terms of Use, please refer to Apple's Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sky Grid

Features
Read full description

SkyGrid is a beautifully crafted logic puzzle game inspired by the classic Skyscraper puzzle. Test your deductive reasoning skills with a fresh challenge every single day!

Screenshots

Thermometers4 screens
Sky Grid4 screens

Verdict

The call

The clearest difference is in-app purchases: Sky Grid at none against Thermometers's 3. Sky Grid also leads on ads (none vs shown) and update cadence (every 5 days vs fortnightly). Thermometers's advantage is iOS requirement (13.0 vs 15.0). On price 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. Thermometers sells 3 in-app purchases, starting at $1.99 per 7 days. Sky Grid asks for nothing beyond the download.

UpkeepUpdate frequency

Thermometers ships an update fortnightly, Sky Grid every 5 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Thermometers versus Sky Grid: the parameters behind the verdict, then further details
ParameterThermometersSky Grid
PriceFreeFree
Rating4.3 (6 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings6 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size131 MB8 MB
Age rating4+4+
DeveloperFeng XiaERDINC YILMAZ

In-app purchases

3 purchases

Thermometers

Subscriptions2
  • Weekly Membership Subscription$1.997 Days
  • Month Membership Subscription$3.991 Month
One-time1
  • Remove ads pack$3.99
None

Sky Grid

No in-app purchases

Questions

Is Thermometers free?
Thermometers is free to download, with in-app purchases available.
Is Sky Grid free?
Sky Grid is free to download, with no in-app purchases.
Do Thermometers or Sky Grid have ads?
Thermometers shows ads; Sky Grid does not.
Which is updated more often, Thermometers or Sky Grid?
Thermometers ships an update fortnightly, and Sky Grid every 5 days. Most recently, Thermometers was updated on October 24, 2026 and Sky Grid on October 24, 2026.

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