24+ iOS apps & games curated and reviewed
If you already know Happy Valley Friends, this is the deeper bench. 24+ knock knock lab llc apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free was $2.99 | 5.0★ (6) | No | Yes | Jul 2026 | |
| 2 |  | Free | 4.7★ (35) | No | Yes | Sep 2026 | |
| 3 |  | Free | 3.7★ (6) | No | No | Aug 2026 | |
| 4 |  | Free | 1.4★ (1.3K) | No | No | Sep 2026 | |
| 5 |  | Free | 4.2★ (232) | No | No | Aug 2026 | |
| 6 |  | Free | 2.0★ (20) | No | No | May 2026 | |
| 7 |  | Free | 4.4★ (24) | No | No | Jul 2026 | |
| 8 |  | Free | 4.3★ (20) | No | No | May 2026 |
This app offers a collection of interactive games designed for toddlers and preschoolers to develop essential skills. It features a safe, ad-free environment with easy controls and positive reinforcement, allowing young children to explore and learn independently.
This app assists lab work with timed protocols, AI-assisted colony counting, dilution calculations, and other essential bench tools. It helps scientists and students organize experiments, manage materials, and document results efficiently, even offline.
Experience a variety of authentic door knocking sounds for entertainment. Use these realistic audio clips to prank friends and family, creating amusing moments of surprise and confusion when they expect a visitor but find no one there.
