Smart Marbles vs In Sync
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Smart Marbles
A classic marble solitaire puzzle game where the goal is to remove all marbles except one. Jump marbles over each other to clear the board. Offers a simple reset function to restart the game.
- Marble jumping mechanics
- Clear marbles to solve puzzles
- Single-player gameplay
- Reset game function
- Simple grid-based puzzles
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Smart Marbles is an iPhone6 app for marble solitaire. The game is simple: select a marble and then select an empty space in the grid that is two spaces over. Another marble must be placed between the selected marble and the destination space. Once the marble has jumped over the middle marble, the middle marble will be taken off the board. The object of the game is to remove all marbles except the last. Use the reset button to return the game to the original marble positions.
In Sync
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Control two balls in sync. Guide them towards their goals without hitting too many traps or falling off the path. Super fun & challenging. Unique puzzle game, easy to learn, fun to play, and a perfect source of entertainment during free time and commute time. The game is designed to be enjoyed by newcomers and returning players alike. It is playable at no cost and free from ads. An optional premium upgrade is available through a one-time in-app purchase that allows you to continue from any completed level. Spend your time going balls with balls and have fun. Features • 100 unique 3D levels, with 300 total points to collect. • Easy, one-finger swipe balls control. • Offline, single-user game. • Easy, Medium, and Hard modes. • Race against the clock in Medium and Hard modes. • No ads. • With iCloud support. Start playing on your iPhone, and continue on your iPad. • Play this game with your favorite compatible controller. • Lots of fun.
Screenshots
Verdict
The clearest difference is in-app purchases: Smart Marbles at none against In Sync's 1. In Sync's advantage is update cadence (every 5 weeks vs every 3 months) and device support (3 vs 1). On price and ads 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
Both are free to download. In Sync sells 1 one-off in-app purchase. Smart Marbles asks for nothing beyond the download.
Smart Marbles ships an update every 3 months, In Sync every 5 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | Smart Marbles | In Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | David Johnson | Natasa Petek |
In-app purchases
Smart Marbles
No in-app purchases
In Sync
- Enjoy the game to the fullest$2.99









