Comparison

Solitaire Watch vs Kon21

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

Head to head
About

Solitaire Watch

Enjoy classic Klondike solitaire on your Apple Watch and iPhone. Features quick sessions, readable cards, and smooth gameplay with daily challenges and customizable decks. Save and resume games instantly.

Highlights
  • Apple Watch and iPhone gameplay
  • Daily Challenge with solvable hands
  • Klondike in 1-card and 3-card modes
  • Optional Spiderette unlock
  • Hints, undo, auto-complete
  • Deck customization
  • Fast resume and save/restore
Features
Read full description

Solitaire Watch brings classic solitaire back to Apple Watch and iPhone with quick sessions, readable cards, and smooth modern play. Play Klondike in 1-card or 3-card mode, choose one-touch or two-touch controls, and jump back into saved games instantly. Every day features a verified solvable Daily Challenge, so every player tackles the same winnable hand. Features: - Apple Watch and iPhone gameplay - Daily Challenge built from verified solvable Klondike hands - Klondike in 1-card and 3-card modes - Spiderette as an optional unlock for players who want a tougher variant - Hints, undo, auto-complete, move tracking, and best-time history - Deck customization with collectible card packs - Fast resume and reliable save/restore Built for short watch sessions, full-screen iPhone play, and the satisfying feel of solitaire anywhere.

About

Kon21

Embark on a cosmic adventure to restore balance to chaotic zodiac realms. Battle evolving creatures using a unique blackjack-inspired card system and master the art of 21 to unleash powerful attacks. Explore pixel-crafted worlds with a retro aesthetic.

Highlights
  • Explore living zodiac realms
  • Conway-powered evolving creatures
  • Strategic blackjack-inspired combat
  • Master the art of 21
  • Retro pixel aesthetic
Features
Read full description

KON21: THE ZODIAC WARRIOR A long time ago, across distant constellations, the zodiac realms fell into chaos. Ancient creatures now roam the stars — their forms evolving, shifting, and living through the mysterious patterns of Conway’s Game of Life. Only one warrior can restore balance. Will you master the sacred art of 21? --- EXPLORE LIVING WORLDS Traverse pixel-crafted zodiac realms filled with dynamic, evolving creatures. No two encounters are ever the same. CONWAY-POWERED CREATURES Enemies are alive. Their patterns shift, grow, and change based on cellular automata mechanics inspired by Conway’s Game of Life. STRATEGIC CARD BATTLES Engage in unique blackjack-inspired combat. Push your luck, outplay your opponent, and strike at the perfect moment. MASTER THE ART OF 21 Balance risk and reward as you build your hand and unleash powerful attacks tied to zodiac energy. RETRO PIXEL AESTHETIC A nostalgic visual experience with modern gameplay depth. Clean, minimal, and designed for immersive play. --- Will you conquer the zodiac realms… or be consumed by the chaos? Download KON21 and begin your journey.

Screenshots

Solitaire Watch3 screens
Kon213 screens

Verdict

The call

The clearest difference is rating: Kon21 at 5.0 against Solitaire Watch's 2.0. Kon21 also leads on update cadence (every 4 days vs every 3 weeks). Solitaire Watch's advantage is iOS requirement (12.0 vs 26.2). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Kon21 holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Solitaire Watch ships an update every 3 weeks, Kon21 every 4 days. Both last shipped on October 7, 2026.

Scorecard3 real differences · 7 level
Solitaire Watch versus Kon21: the parameters behind the verdict, then further details
ParameterSolitaire WatchKon21
PriceFreeFree
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod, Apple WatchiPhone, iPad, Apple Watch
Requires iOS12.0 — better26.2
Further details — not scored
Size93 MB19 MB
Age rating4+4+
DeveloperAutonomousRetroApps LLC

Customer experience

Solitaire Watch

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Kon21

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Solitaire Watch

No in-app purchases

None

Kon21

No in-app purchases

Questions

Is Solitaire Watch free?
Solitaire Watch is free to download, with no in-app purchases.
Is Kon21 free?
Kon21 is free to download, with no in-app purchases.
Which has better reviews, Solitaire Watch or Kon21?
Kon21 is rated higher. Solitaire Watch averages 2.0 out of 5 from 1 ratings, while Kon21 averages 5.0 from 1 ratings.
Do Solitaire Watch or Kon21 have ads?
Neither Solitaire Watch nor Kon21 shows ads.
Which is updated more often, Solitaire Watch or Kon21?
Solitaire Watch ships an update every 3 weeks, and Kon21 every 4 days. Most recently, Solitaire Watch was updated on October 7, 2026 and Kon21 on October 7, 2026.

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