Build a usable vocabulary for your job, studies, or hobbies with smart, spaced repetition reviews. Master real word usage and track your progress with clear statistics. Designed for serious learners with a clean interface and no gimmicks.






110+ iOS apps & games curated and reviewed
Finding the right codex4 apps and games can be overwhelming with so many options. We've analyzed 110+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.2★ (54) | No | No | Sep 2026 | ||
| 3 | Free | 4.7★ (265K) | No | Yes | Sep 2026 | ||
| 4 | Free | 4.0★ (11K) | No | No | Sep 2026 | ||
| 5 | Free | 4.0★ (1) | Yes | Yes | Aug 2026 | ||
| 6 | Free | 5.0★ (2) | No | Yes | Aug 2026 | ||
| 7 | Free | 3.9★ (33K) | No | Yes | Sep 2026 | ||
| 8 | Free | 4.5★ (11) | Yes | Yes | Jul 2026 |






Build a usable vocabulary for your job, studies, or hobbies with smart, spaced repetition reviews. Master real word usage and track your progress with clear statistics. Designed for serious learners with a clean interface and no gimmicks.






Manage your Codex workflow remotely from your phone. Track active threads, send prompts, review output, and respond to requests. Designed for developers to stay connected to their work without being at their desk.






This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.