3+ iOS apps curated and reviewed
Bolster Systems 2026 is the household name in bolster systems, but it's far from the only option. We track 3+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Jun 2026 | |
| 2 |  | Free | 5.0★ (3) | No | No | May 2026 | |
| 3 |  | Free | 5.0★ (1) | No | No | Jul 2026 |
This educational game helps young children develop the essential math skill of subitizing, which is the ability to instantly recognize the quantity of objects without counting. Players assist a dolphin character in collecting treasures, reinforcing number pattern recognition in a fun and engaging way.
This app helps users select and specify fender systems for various applications. It offers tools for calculating berthing energy, generating specifications, and selecting appropriate fenders based on project requirements and industry standards.