250+ iOS apps curated and reviewed
CDL General Knowledge Prep 26 is the household name in cdl general knowledge, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | Yes | May 2026 | |
| 2 |  | Free | 4.7★ (6.7K) | Yes | No | Oct 2026 | |
| 3 |  | Free | 4.9★ (48K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.7★ (18K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.9★ (28K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | — | No | Yes | Aug 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | 5.0★ (2) | No | No | Jul 2026 |
Prepare for your Commercial Drivers License exams with a comprehensive question bank covering general knowledge and various endorsements. Practice with timed exams or instant feedback modes to identify areas for improvement.
Prepare for your Commercial Driver's License (CDL) exam with a comprehensive study app. It offers practice questions, realistic simulators, and detailed explanations for all endorsements and states. Study efficiently with adaptive learning and offline access to pass your test on the first try.
