KnowledgeVine vs CristCDL.com Practice Test CDL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowledgeVine
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KnowledgeVine's Mobile app delivers KV Content to Users
CristCDL.com Practice Test CDL
Prepare for your Commercial Driver's License (CDL) exams with state-specific practice tests. Access a comprehensive question bank, including specialized endorsements, and receive immediate feedback with explanations for each answer. Download your state manual for further study.
- State-specific practice tests
- General Knowledge tests
- Endorsement tests (Air Brakes, Tanker, etc.)
- Pre-Trip Inspection tests and videos
- Immediate answer feedback with explanations
- Downloadable state CDL manuals
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Put yourself in the drivers seat! Passing the CDL BMV exams made easy. With over 30 years experience in the CDL field we have more questions that appear on the CDL written exams than any other site. No sign up or sign in required, no payments to unlock tests, just great information at your fingertips. Our practice tests are state specific and include General Knowledge, Air Brakes, Combination, Tanker, Doubles and Triples, Hazardous Material, School Bus, Passenger, and have tests and videos for the Pre Trip Inspection. Each test provides immediate feedback on your answer, showing if you got it correct or incorrect with an explanation for the correct answer, and should be used along with you current state manual which we included in the app for download. Since 1999 we have offered these tests online, and are moving to provide them within an app!
Screenshots
Verdict
The clearest difference is ads: KnowledgeVine at none against CristCDL.com Practice Test CDL's shown. KnowledgeVine also leads on update cadence (every 2 months vs every 5 months). On price, in-app purchases, device support and iOS requirement 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.
KnowledgeVine ships an update every 2 months, CristCDL.com Practice Test CDL every 5 months. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.
| Parameter | KnowledgeVine | CristCDL.com Practice Test CDL |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.7 (123 ratings) — better |
| Positive reviews | — | 15.9% of reviews |
| Number of ratings | — | 123 — better |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 26 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Knowledge Vine, LLC | William Crist |
In-app purchases
KnowledgeVine
No in-app purchases
CristCDL.com Practice Test CDL
No in-app purchases
Questions
Is KnowledgeVine free?
Is CristCDL.com Practice Test CDL free?
Do KnowledgeVine or CristCDL.com Practice Test CDL have ads?
Which is updated more often, KnowledgeVine or CristCDL.com Practice Test CDL?
Other comparisons
