CDL Prep vs Mentor DSP by eDriving℠
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDL Prep
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.
- Over 500 practice questions
- Timed exam mode
- Endorsement topic exams
- Instant feedback in practice mode
- Randomized answer order
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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. Over 500 questions to practice with. 2. Exam Mode - 60 minutes to answer 50 randomly chosen questions, or 40 minutes to answer 20 to 30 questions on endorsement topics. At the end, review your score and any incorrect answers. 3. Practice Mode - Answer questions and receive instant feedback if you answered incorrectly. 4. Answer Randomization - Answers to questions will not always be in the same position. Please send any feedback or request to: CDLPrepApp@gmail.com. Thank you for reading, and good luck on your exams!
Mentor DSP by eDriving℠
This app helps delivery drivers improve their safety by tracking driving behaviors, providing daily scores, and offering personalized in-app coaching. Monitor key performance areas and access tailored coaching modules to enhance your driving skills.
- FICO® Safe Driving Score tracking
- Performance analysis (braking, acceleration, cornering, speeding, distraction)
- Trending score charts
- Trip detail viewing
- Customized coaching modules
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Mentor® by eDriving For Amazon DSP is an app for drivers of Delivery Service Providers engaged by Amazon. This app helps drivers improve their driving safety by measuring their actual driving behaviors, scoring them each day, and providing in-app coaching based on their progress. With Mentor® by eDriving For Amazon DSPs you can: - View your overall FICO® Safe Driving Score* - See your performance in key areas such as Braking, Acceleration, Cornering, Speeding, and Distraction - View trending chart for your FICO® score - View your trip detail for the day - Find “Playlist” of interactive coaching modules and progress reports customized based on your on-road performance
Screenshots
Verdict
The clearest difference is review sentiment: CDL Prep at 81% against Mentor DSP by eDriving℠'s 4%. CDL Prep also leads on rating (4.7 vs 1.2) and chart position (#91 vs unranked). Mentor DSP by eDriving℠'s advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CDL Prep holds the better App Store score, 4.7 against 1.2. Both are backed by a comparable volume of ratings — 7K and 1.5K respectively. Written reviews point the same way: 81% of CDL Prep's written reviews are positive against 4% of Mentor DSP by eDriving℠'s.
CDL Prep ships an update every 2 months, Mentor DSP by eDriving℠ every 3 months. The most recent releases landed on November 3, 2026 and October 22, 2026 respectively.
| Parameter | CDL Prep | Mentor DSP by eDriving℠ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7K ratings) — better | 1.2 (1.5K ratings) |
| Positive reviews | 80.5% of reviews — better | 4.5% of reviews |
| Number of ratings | 7K — better | 1.5K |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Best chart rank | #91 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 297 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeffrey Diaz | eDriving, LLC |
Customer experience
CDL Prep
Mentor DSP by eDriving℠
User reviews
CDL Prep
From 7K App Store ratingsWhat we love
- 🚀 Accurate questions
- 👍 Helpful for passing tests
- 💯 Exactly like real test
- 🙌 Great study tool
- ✅ Passed on first try
Room to improve
- 🔍 Some questions not on app
- 🔢 Too many ads
- 🔀 Can't close ads
- 🤔 Inconsistent answers
Mentor DSP by eDriving℠
From 1.5K App Store ratingsWhat we love
- 👍 Can't be mad at that 850 FICO
Room to improve
- 🐛 False alarms and inaccurate readings
- 🐛 Unreliable and inconsistent performance
- 🔒 Concerns about privacy and data collection
- ⚠️ Negatively impacts driver pay and job security
- ⚠️ Encourages unsafe driving behaviors
Bugs and requests
CDL Prep
Reported bugs
2 issues- Back button issues
- Incorrect answers in app
Requested features
3 requests- Ad-free version
- Ability to report incorrect questions
- Include state-specific requirements
Mentor DSP by eDriving℠
Reported bugs
3 issues- Frequent crashes and glitches
- Inaccurate detection of phone usage, hard braking, and acceleration
- Inconsistent scoring and FICO calculations
Requested features
4 requests- Improved accuracy and reliability
- Better feedback and transparency
- Ability to dispute or correct false infractions
- Integration with vehicle diagnostics for more reliable data
In-app purchases
CDL Prep
No in-app purchases
Mentor DSP by eDriving℠
No in-app purchases
Questions
Is CDL Prep free?
Is Mentor DSP by eDriving℠ free?
Which has better reviews, CDL Prep or Mentor DSP by eDriving℠?
Do CDL Prep or Mentor DSP by eDriving℠ have ads?
Which is updated more often, CDL Prep or Mentor DSP by eDriving℠?
Other comparisons
