226+ iOS apps & games curated and reviewed
Hoop Stack is the household name in sorting rings, but it's far from the only option. We track 226+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (155K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 3.0★ (2) | Yes | No | May 2026 |
| 3 |  | Free | 4.6★ (398) | No | No | Jul 2026 |
| 4 |  | Free | 4.2★ (9) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.6★ (182) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.5★ (11K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 5.0★ (12) | Yes | Yes | May 2026 |
| 8 |  | Free | 4.5★ (4.8K) | Yes | No | Aug 2026 |
Engage in a captivating puzzle experience by sorting and stacking colorful hoops. This game offers a mental challenge that requires strategic thinking and prediction of every move. Enjoy unlimited gameplay with numerous mind-bending levels.
Tap to stack oscillating rings of different colors onto a central stick. Aim to fill the stack as high as possible to achieve a good score. This game offers simple, engaging gameplay for casual fun.
A puzzle game where players arrange, stack, and match colored rings to clear the board. Test your skills and see if you can solve all the levels.
A relaxing puzzle game where players stack colored rings on a board. Match three rings of the same color in a line or a full stack to make them explode and score points. It's a simple yet challenging experience.
Engage your mind with a 3D color sorting puzzle. Arrange rings of the same color onto corresponding hoops to solve over 1700 challenging levels. Enjoy a relaxing, no-time-limit experience with stunning visuals and sound.
Solve intricate puzzles by strategically rotating rings to align gaps and match patterns. This game offers increasing challenges with unique levels, beautiful visuals, and engaging sound effects for an immersive experience.
Engage in a classic and addictive puzzle experience. Arrange colorful hoops by sorting them onto the correct stacks. This game offers a simple yet challenging way to test your sorting skills.
Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.
Explore an extensive collection of engagement and wedding rings with a built-in diamond search and ring size calculator. Request quotes directly through the app and begin the design process for a custom piece.
Engage your mind with this addictive 3D color sorting puzzle game. Exercise your brain, relieve stress, and enjoy hours of relaxing entertainment by matching colored hoops. Play at your own pace with no time limits.
Engage in a casual 3D triple sorting puzzle game where you match and organize various items like toys and snacks on shelves. Exercise your brain by strategizing matches and unlocking new items across endless levels. Enjoy this free-to-play experience anytime, anywhere.
Engage your mind with this addictive color sorting puzzle. Arrange colored balls into tubes so that all balls of the same color are grouped together. Enjoy a relaxing yet challenging experience with simple controls and no time limits.
Engage in a fast-paced 3D matching puzzle game where you clear shelves of identical items like toys, fruits, and snacks. Race against the clock to eliminate items, earn rewards, and master increasingly challenging levels.
Engage in a satisfying 3D puzzle experience by organizing, matching, and clearing realistic objects. This game offers increasingly complex levels that test your sorting and problem-solving skills. Enjoy relaxing gameplay with visually stunning graphics and helpful boosters.
Sort colorful balls by color into designated boxes as they move along a conveyor belt. This engaging game challenges your sorting skills and precision.
Engage your mind with a vibrant color-matching puzzle. Sort pixels into their correct baskets to complete colorful images. Strategically move baskets to avoid filling up the parking space and ensure successful pixel collection.
Engage your mind with a beautiful gem sorting puzzle game. Sort and learn about hundreds of precious stones, including diamonds, rubies, and sapphires, across a vast array of levels. This game offers stunning visuals and a unique challenge for those who enjoy color and logic puzzles.