Comparison

Nano Wars! vs Once Upon A Solitaire

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

Head to head
About

Nano Wars!

Defend your system from invading microbes in this fast-paced tower defense game. Deploy units, use powerful medicine, and expand your defenses to push back infections. Collect molecules and upgrade your units to win the war.

Highlights
  • Rapid-fire tower defense gameplay
  • Unique immune system and medical abilities
  • Zone expansion for enemy path control
  • Molecule collection for evolution
  • Meta upgrades for new units
Features
Read full description

Microbes are storming your system. Deploy units, drop powerful medecine, and blast through waves of invading microbes in this fast, action-packed tower defense inside the human body. Strengthen your defenses after every battle and unlock new units push the infection away. The game showcases: - Rapid-fire tower defense inside the body - Immune system & medical tools with unique abilities - Zone expansion to better control the enemies path - Mollecules collection to evolve your immune system - Meta upgrades to search and upgrade new units Stop the infection. Upgrade. Strike back. Win the Nano Wars.

About

Once Upon A Solitaire

Features
Read full description

Every card you play moves a story forward. Once Upon a Solitaire is a story based solitaire card game that transforms classic solitaire gameplay into an immersive narrative experience. This is not just a solitaire card game—it’s a collection of story driven games told through cards, animated scenes, and episodic chapters. Here, solitaire isn’t a pause between scenes. Solitaire is how the story unfolds. Play Solitaire. Unlock the Next Scene In Once Upon a Solitaire, each classic solitaire level is a chapter. Every completed hand unlocks: Animated story scenes Cinematic transitions between gameplay Character moments and emotional reveals New chapters across multiple stories The more you play, the deeper the story goes. The calmer the gameplay, the stronger the impact of each reveal. This creates a relaxing solitaire game that still feels meaningful and rewarding. Classic solitaire card game mechanics Story based progression tied to wins Animated scenes between levels Smooth, relaxing card gameplay Offline solitaire play anytime The First Story Begins in a Kingdom Your journey opens in a royal world ruled by power and silence. A feared king sits on the throne. A queen sits beside him—outwardly calm, inwardly restless. As you progress through solitaire levels, the story unfolds through short animated scenes between gameplay: quiet moments, lingering memories, and emotions left unspoken . The pacing mirrors the game itself—measured, intentional, and immersive—drawing you deeper with every win. This is a slow-burn story designed to be experienced, not rushed. And it’s only the beginning… Many Stories. Many Genres. One Solitaire Game Once Upon a Solitaire is built as a growing library of story based solitaire experiences. New stories are added over time, each with its own world, tone, and genre—while keeping the familiar solitaire card gameplay you love. Coming soon: Romance – love, tension, and emotional connections Thriller – suspense, secrets, and psychological drama Crime – mysteries, investigations, and hidden truths Drama – ambition, power struggles, and difficult choices Every story includes: Unique characters Custom animated scenes Episodic chapter progression Solitaire gameplay balanced for storytelling One app. One solitaire game. Endless stories. A Solitaire Game Designed to Be Felt Once Upon a Solitaire is ideal for players who enjoy: Classic solitaire card games Story games and narrative puzzle games Relaxing offline games with depth Card puzzle games with progression Animated storytelling experiences The gameplay is familiar and easy to learn. The stories are what keep you playing. Each completed level gives you more than a win—it gives you a reason to continue. Why Once Upon a Solitaire Is Different Story based solitaire card game with real progression Animated scenes unlocked through gameplay Multiple stories across different genres Classic solitaire mechanics with narrative payoff Relaxing, offline solitaire experience This is not endless solitaire. This is storytelling through play. Play the cards. Unlock the scenes. Discover the stories.

Screenshots

Nano Wars!4 screens
Once Upon A Solitaire4 screens

Verdict

The call

The clearest difference is ads: Once Upon A Solitaire at none against Nano Wars!'s shown. Nano Wars!'s advantage is update cadence (daily vs every 11 days) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Nano Wars! ships an update daily, Once Upon A Solitaire every 11 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Nano Wars! versus Once Upon A Solitaire: the parameters behind the verdict, then further details
ParameterNano Wars!Once Upon A Solitaire
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyDaily — betterEvery 11 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size179 MB287 MB
Age rating12+12+
DeveloperRistretto StudiosFizzle Pop

In-app purchases

None

Nano Wars!

No in-app purchases

None

Once Upon A Solitaire

No in-app purchases

Questions

Is Nano Wars! free?
Nano Wars! is free to download, with no in-app purchases.
Is Once Upon A Solitaire free?
Once Upon A Solitaire is free to download, with no in-app purchases.
Do Nano Wars! or Once Upon A Solitaire have ads?
Nano Wars! shows ads; Once Upon A Solitaire does not.
Which is updated more often, Nano Wars! or Once Upon A Solitaire?
Nano Wars! ships an update daily, and Once Upon A Solitaire every 11 days. Most recently, Nano Wars! was updated on November 5, 2026 and Once Upon A Solitaire on October 31, 2026.

Other comparisons