Comparison

Pulmonary vs Tower Stack Challenge

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

Head to head
About

Pulmonary

A challenging puzzle game that requires players to use past information to navigate obscured paths. Test your logic and problem-solving skills in this unique experience.

Highlights
  • Obscured path navigation
  • Information-based gameplay
  • Logic puzzles
  • Problem-solving challenges
  • Unique game mechanics
Features
Read full description

A challenging puzzle game where the path in front of you is obscured. To figure out what's ahead, you'll need to use the information behind you.

About

Tower Stack Challenge

Features
Read full description

Get ready for a new kind of brain teaser in Tower Stack Challenge! Stack colorful tiles, avoid crossing paths, and fill empty spaces to clear each level. With over 300 levels of progressively difficult puzzles, this game will test your logic, patience, and strategic thinking! As you advance, each level becomes a more complex challenge. Can you stack the tiles correctly without any paths crossing? Each move counts, so plan ahead and solve the puzzle to progress through the game! Game Features: 300+ Levels: Progress through challenging puzzles with increasing difficulty. Strategic Gameplay: Avoid crossing paths and think multiple steps ahead to succeed. Simple & Intuitive Controls: Easy to learn, but hard to master! Addictive and Relaxing: Perfect for short breaks or long gaming sessions. Free to Play: Enjoy hours of puzzle-solving entertainment at no cost. Are you up for the challenge? Download Tower Stack Challenge now and see if you can complete all the levels!

Screenshots

Pulmonary4 screens
Tower Stack Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Tower Stack Challenge at none against Pulmonary's 1. Pulmonary's advantage is ads (none vs shown) and update cadence (every 4 months vs every 17 months). On price, device support and iOS requirement 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. Pulmonary sells 1 one-off in-app purchase. Tower Stack Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Pulmonary ships an update every 4 months, Tower Stack Challenge every 17 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Pulmonary versus Tower Stack Challenge: the parameters behind the verdict, then further details
ParameterPulmonaryTower Stack Challenge
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 months — betterEvery 17 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size52 MB254 MB
Age rating4+4+
DeveloperTommy Soereide KjaerKAKAK

In-app purchases

1 purchases

Pulmonary

One-time1
  • 11 New Stages$0.99
None

Tower Stack Challenge

No in-app purchases

Questions

Is Pulmonary free?
Pulmonary is free to download, with in-app purchases available.
Is Tower Stack Challenge free?
Tower Stack Challenge is free to download, with no in-app purchases.
Do Pulmonary or Tower Stack Challenge have ads?
Tower Stack Challenge shows ads; Pulmonary does not.
Which is updated more often, Pulmonary or Tower Stack Challenge?
Pulmonary ships an update every 4 months, and Tower Stack Challenge every 17 months. Most recently, Pulmonary was updated on October 24, 2026 and Tower Stack Challenge on October 27, 2026.

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