CDL Prep
Store data observed · From public App Store data · How we score apps
- Education
- App Store
- United States
- 4.76,936 ratings
- Free download
- Updated
- Observed
Est. monthly revenue
EstimatedEst. monthly downloads
Estimated90-day growth
Opportunity score
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About CDL PrepObserved
CDL Prep is an Education app by Jeffrey Diaz on the United States App Store. Released Apr 14, 2016; last updated Aug 9, 2026 (version 9.13). CDL Prep is free to download.
CDL Prep has a 4.7-star average rating from 6,936 ratings on the United States App Store as of Oct 8, 2026. On Oct 9, 2026, CDL Prep ranked #90 on the Education top chart. MRRBeam rates the success of CDL Prep 51/100 (rising), the #91 most successful Education app MRRBeam tracks in the United States.
CDL Prep is the best way to prepare for the Commercial Drivers License General Knowledge, and various endorsement exams. CDL Prep contains questions on the following topics: General Commercial, Air Brakes, Combinations, Hazmat, Passenger, Tanks, School Bus, and Doubles/Triples. Features: 1.
- Success score
- 51/100 Rising
- In Education
- #91 most successful
- Chart position
- #90 in Educationon Oct 9, 2026
- Developer
- Jeffrey Diaz
Top Education apps
The most successful Education apps MRRBeam tracks in the United States.
CDL Prep: common questions
- What is CDL Prep?
- CDL Prep is an Education app developed by Jeffrey Diaz, available on the App Store. It was first released on Apr 14, 2016.
- How is CDL Prep rated?
- CDL Prep has a 4.7-star average rating from 6,936 ratings on the United States App Store as of Oct 8, 2026.
- How much money does CDL Prep make?
- MRRBeam estimates CDL Prep makes about $3.5K–$15K a month in revenue from 7K–21K downloads a month, based on its #90 position on the Education free chart. This is a modelled estimate, not reported data.
- How many downloads does CDL Prep get?
- About 7K–21K downloads a month, by MRRBeam's estimate from its chart position. Apple does not publish download counts.
- How much does CDL Prep cost?
- CDL Prep is free to download.
- Is CDL Prep successful?
- On Oct 9, 2026, CDL Prep ranked #90 on the Education top chart. MRRBeam rates the success of CDL Prep 51/100 (rising), the #91 most successful Education app MRRBeam tracks in the United States. The success score combines rating volume, chart position and average rating.
- When was CDL Prep last updated?
- CDL Prep was last updated on Aug 9, 2026 (version 9.13).
- What are alternatives to CDL Prep?
- Similar Education apps tracked by MRRBeam include Duolingo: Language Lessons, Gauth: AI Study Companion, Learna: Speak & Learn English, ClassDojo and Canvas by Instructure.
- Is there room to build a competitor to CDL Prep?
- MRRBeam's opportunity score for CDL Prep is 14/100. Limited opening: an older app, a crowded category with entrenched leaders and a strong 4.7★ rating.