13 Balls vs Idle Marble Run
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
13 Balls
A skill-based ball-dropping game where players clear pegs by strategically launching balls. Progress through levels, master ricochets, and compete with friends via Game Center. Special "Douballs" offer an advantage on challenging stages.
- Peg elimination gameplay
- Strategic ball dropping
- Level progression
- Game Center integration
- Special "Douballs"
- Shareable "You Win" screen
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Ready? Aim, Drop! 13 Balls is a ball-dropping, peg-elimination game that involves mostly skill, a bit of luck, and fair amount of patience. The goal on each level is to clear all the pegs by dropping balls on them. Each peg has to be hit a certain number of times indicated by it's color and the amount of dots it has. As you progress through the levels, you may feel that you have an improved self-worth and a strong desire to gloat to your friends about how much of a ricochet master you are. You're encouraged to utilize the share feature on the "You Win" screen to do just that. 13 Balls integrates Apple's Game Center keeping track of how many levels you've beat, so you can see how you're doing against your friends, and the world. How to Play: When you tap on the screen, the ball is ejected from the dropper as it moves back and forth above the multi-colored pegs. Each time you hit the peg, one dot is removed and the color changes. Once you get all the way down to the last dot, the peg shatters when you hit it! Clear a whole screen of the pegs, and you beat the level. If you use all your balls, and you have not cleared all the pegs, your turn is over. You have the option to purchase 3 more balls to "Keep Going" via in-app purchase. Collect "Douballs" as you play. Douballs are special balls that bounce out twice as many dots when they hit a peg. You can save up your Douballs and use them on a challenging level. 13 Balls: • Is fun for kids, teens, adults & senior citizens • Improves hand-eye coordination (according to the internet) • Easy to play, difficult to master! When you beat level 50, be sure to post it to Facebook and Twitter with #13balls so that we know you're ready for more levels! Good luck.
Idle Marble Run
Experience a relaxing toy marble machine with idle mechanics. Watch marbles merge, hit bumpers, and inject special types like fireballs and snowballs into an infinite run.
- Infinite marble machine
- Idle mechanics
- Marble merging
- Bumper interactions
- Special marble types (Fireballs, Snowballs, Plasma)
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Drop a marble. Watch it fall through the pegs, light up every bumper it touches, and turn each bounce into gold. Two marbles of the same kind that meet become one bigger marble, worth far more than the two that made it. That single rule is the whole game, and it never stops paying off. MERGE YOUR WAY UP Every merge unlocks a richer marble. Grey, gold, ruby, sapphire, emerald: the ladder keeps going, and so do the numbers. THE BOARD KEEPS EARNING Close the app and the marbles keep working. Come back to a pile of gold waiting to be claimed, and double or triple it on the spot. FIVE SPECIAL MARBLES FIREBALL destroys bumpers in a single hit. SNOWBALL grows with every bounce. RAINBOW is pulled toward the pegs. SHADOW clones itself on impact. BUBBLEGUM sends bumpers flying. AND PLENTY MORE A cannon that fires marbles on its own. Bonus letters scattered across the board. A gallery to fill with every marble in the game. Achievements, levels, and a cloud save that carries progress from one device to the next. No energy bar, no lives, nothing to unlock with a timer. Just bouncing physics, gentle celebrations, and numbers that always go up. Idle Marble Run is free to play. It contains ads and optional in-app purchases, and any purchase removes the ads for good.
Screenshots
Verdict
The clearest difference is price: Idle Marble Run at Free against 13 Balls's $1.99. Idle Marble Run also leads on update cadence (every 10 months vs every 44 months) and ratings volume (21 vs 2). 13 Balls's advantage is ads (none vs shown) and review sentiment (100% vs 67%). On in-app purchases, 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
Idle Marble Run is free to download; 13 Balls costs $1.99 up front. 13 Balls sells 1 one-off in-app purchase and Idle Marble Run sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
13 Balls holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Idle Marble Run has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of 13 Balls's written reviews are positive against 67% of Idle Marble Run's.
13 Balls ships an update every 44 months, Idle Marble Run every 10 months. The most recent releases landed on November 8, 2026 and November 2, 2026 respectively.
| Parameter | 13 Balls | Idle Marble Run |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 4.7 (21 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 | 21 — better |
| Update frequency | Every 44 months | Every 10 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Bimza LLC | Kilosaurus |
Customer experience
13 Balls
Idle Marble Run
In-app purchases
13 Balls
- 3 More Balls$0.99
Idle Marble Run
- Pack 30 Diamonds$0.99
- Pack 66 Diamonds$1.99
- Starter Pack$1.99
Show 4 moreShow fewer
- Pack 180 Diamonds$3.99
- Pack 400 Diamonds$8.99
- Pack 1125 Diamonds$22.99
- Pack 2250 Diamonds$44.99









