Comparison

Stack by Stack! vs Cosmo Solitaire

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

Head to head
About

Stack by Stack!

Features
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Stack by Stack is a clean, satisfying block puzzle where you place three pieces at a time and clear lines with rhythm. Plan ahead, build combos, and keep the board alive as the pace ramps up. Two ways to play: - Endless Mode: chase your best score with smart placement and big clears - Daily Puzzle: a fresh puzzle to solve each day Track your progress with score, lines cleared, combo streaks, and local stats.

About

Cosmo Solitaire

Features
Read full description

Escape to the stars with Cosmo Solitaire, a premium, accessibility-focused card game designed for a relaxing, cognitive workout. Perfect for casual players and mature gamers (50+) seeking a digital detox, this game combines standard card solitaire with an innovative evolutionary puzzle mode—all wrapped in a peaceful, cosmic ambient design. TWO ENGAGING GAME MODES • Classic Solitaire: Play the traditional 1-card draw Klondike Solitaire. Enjoy modern conveniences like smart highlights, auto-play stack resolution, and custom card outlines. • Cosmo Spectrum: Explore a unique category-sorting card puzzle. Drag and stack card concepts across five categories—Pets, Food, Furniture, Vehicles, and Clothing. Move cards of matching categories into limited foundation slots to dissolve and clear the grid. BEAUTIFUL VISUAL THEMES Personalize your experience with gorgeous cosmic background themes available in the settings dashboard: • Premium Themes: Cosmo Neon and Solar Gold. • Classic Themes: Deep Forest, Deep Space, Nebula Dust, Nebula Gold, and Dark Matter. ACCESSIBILITY & COMFORT FIRST Designed from the ground up for maximum visual comfort and ergonomics: • Clear Card Layouts: Easily read card values and suits with high-contrast outlines. • Legible Typography: Clean and readable text using the modern Outfit font. • Tap-Friendly Controls: Designed with spacious layouts and comfortable touch targets. • Stress-Free Play: Unlimited Hints and Undos with no timers or penalties. UNLOCK COSMO MODE Play for free with ad support (banner, moves ceiling), or unlock the complete lifetime Premium Cosmo Mode (one-time purchase) to: • Play entirely ad-free (no banner, no interstitials). • Get infinite Hints and Undos immediately without watching ads. • Access instant game/level restarts and all premium theme customizations. Begin your cosmic journey today. Relax your mind, train your brain, and align all stars in the cosmic sky! SUBSCRIPTION & TERMS (COSMO PASS) • Cosmo Pass is an auto-renewable subscription offering an ad-free experience, unlimited hints & undos, and exclusive theme access. • Payment is charged to your Apple ID account upon purchase confirmation. • Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current billing cycle. • Manage or cancel your subscription anytime in your App Store Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://drivecode.ai/privacy

Screenshots

Stack by Stack!4 screens
Cosmo Solitaire4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack by Stack! at none against Cosmo Solitaire's 1. Stack by Stack! also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, 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. Cosmo Solitaire sells 1 one-off in-app purchase. Stack by Stack! asks for nothing beyond the download.

UpkeepUpdate frequency

Stack by Stack! ships an update every 4 days, Cosmo Solitaire every 3 weeks. The most recent releases landed on September 27, 2026 and August 29, 2026 respectively.

Scorecard2 real differences · 4 level
Stack by Stack! versus Cosmo Solitaire: the parameters behind the verdict, then further details
ParameterStack by Stack!Cosmo Solitaire
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size94 MB49 MB
Age rating4+4+
DeveloperByeongUk ChoiDriveCode LLC

In-app purchases

None

Stack by Stack!

No in-app purchases

1 purchases

Cosmo Solitaire

One-time1
  • Cosmo Mode Premium$2.99

Questions

Is Stack by Stack! free?
Stack by Stack! is free to download, with no in-app purchases.
Is Cosmo Solitaire free?
Cosmo Solitaire is free to download, with in-app purchases available.
Do Stack by Stack! or Cosmo Solitaire have ads?
Both Stack by Stack! and Cosmo Solitaire show ads.
Which is updated more often, Stack by Stack! or Cosmo Solitaire?
Stack by Stack! ships an update every 4 days, and Cosmo Solitaire every 3 weeks. Most recently, Stack by Stack! was updated on September 27, 2026 and Cosmo Solitaire on August 29, 2026.

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