Comparison

CDL Doubles Triples Prep vs CDL Practice Test

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CDL Doubles Triples Prep

Features
Read full description

Study for the US CDL Doubles/Triples endorsement knowledge test with original practice questions written for this app from the publicly available FMCSA/AAMVA CDL manual. Every question has a clear explanation. WHAT YOU GET - Coupling and uncoupling, inspecting doubles/triples, the crack-the-whip effect and rollover, air brakes and trailer order, safe driving, and the regulations. - A clear explanation for every question. - Timed practice tests that mirror the real endorsement test. - Progress saved on your device, no sign-up, works offline. ORIGINAL & SAFE Every question is written for this app from the public CDL manual. Nothing is copied from any real exam, test pool or third-party question bank. FREE TO START Practice free, then a single one-time purchase unlocks the full question bank and unlimited timed tests, no ads, no subscription, no account. NOTE Unofficial study and practice app. Not affiliated with, endorsed by, or sponsored by FMCSA, AAMVA, any state DMV or any government agency. For learning only; does not guarantee passing any exam. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev

About

CDL Practice Test

Prepare for your Commercial Driver's License knowledge test with a comprehensive study tool. It offers thousands of practice questions with detailed explanations, personalized study plans, and progress tracking to help you pass on your first attempt.

Highlights
  • 2,587 practice questions
  • Explanations for every answer
  • 15 full topics covered
  • Daily study plans
  • Timed mode and mock exams
  • Progress tracking and pass probability
  • State-specific preparation
Features
Read full description

Walk into your CDL knowledge test ready. CDL Prep gives you 2,587 practice questions with a clear explanation for every single answer, so you don't just memorize the right choice - you understand why it's right and why the others are wrong. Built for new and returning commercial drivers preparing for the CDL written test at the DMV. WHY IT WORKS Passing isn't about cramming the manual. It's about repeated, targeted practice across every area the test covers - then reinforcing exactly what you got wrong until it sticks. - 2,587 questions written to match the real test's style and difficulty - An explanation on every answer, so each question teaches you something - 15 full topics covering general knowledge and endorsements: Vehicle Inspection - Vehicle Control & Backing - Shifting & Transmission - Seeing & Signaling - Space Management - Speed Management - Hazard Awareness - Emergencies & Skids - Accidents, Fire & Hazmat - Cargo & Weight - Air Brakes - Combination & Coupling - Doubles, Triples & Tankers - Passenger & School Bus - Regulations & DUI STUDY YOUR WAY Fit prep around a full shift or a quiet weekend - your call. - Daily Plan that sizes itself to your test date and keeps you on pace - Quick 10 for a fast review on a break - Timed Mode to build test-day speed and confidence - Smart Review using spaced repetition to resurface weak spots before you forget them - Full-Length Mock Exam that simulates the real thing end to end - Missed Questions queue so nothing slips through - Custom Quiz to drill any topic or endorsement on demand PICK YOUR STATE The CDL knowledge test is federally standardized but administered by your state DMV. Choose your state during setup so your prep reflects where you'll test. TRACK YOUR PROGRESS Know exactly where you stand before test day. - Pass probability that updates as you practice - Accuracy broken down by topic so you study what actually moves the needle - Streaks to keep you consistent - Test countdown that keeps the date front and center WHO IT'S FOR Anyone preparing for a Commercial Driver's License knowledge test - Class A, Class B, or endorsements - whether it's your first time or you're brushing up before renewal. START TODAY Your test date isn't moving. Start a free trial, take your first Quick 10 today, and watch your pass probability climb. Thousands of explained questions, one clear goal: pass on the first try. --- SUBSCRIPTION DETAILS Full access is available through an auto-renewing subscription: A free trial is available for new subscribers. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use: https://hermesdigitalbr.github.io/cdl-legal/terms.html Privacy Policy: https://hermesdigitalbr.github.io/cdl-legal/privacy.html

Screenshots

CDL Doubles Triples Prep4 screens
CDL Practice Test3 screens

Verdict

The call

The clearest difference is update cadence: CDL Doubles Triples Prep at every 8 days against CDL Practice Test's monthly. CDL Doubles Triples Prep also leads on iOS requirement (13.0 vs 17.0). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CDL Doubles Triples Prep sells 4 in-app purchases, starting at $4.99 per 7 days and CDL Practice Test sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CDL Doubles Triples Prep ships an update every 8 days, CDL Practice Test monthly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
CDL Doubles Triples Prep versus CDL Practice Test: the parameters behind the verdict, then further details
ParameterCDL Doubles Triples PrepCDL Practice Test
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 8 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size25 MB24 MB
Age rating4+4+
DeveloperFLY SKY PTY LTDHermes Inteligencia Digital Ltda

In-app purchases

4 purchases

CDL Doubles Triples Prep

Subscriptions2
  • CDL Doubles/Triples Full Acces$4.997 Days
  • CDL Doubles/Triples Full Acces$12.991 Month
One-time2
  • Unlock Full Question Bank$4.99
  • CDL Doubles/Triples Full Acces$39.99
2 purchases

CDL Practice Test

Subscriptions2
  • Weekly$5.997 Days
  • Monthly3 Days trial$14.991 Month

Questions

Is CDL Doubles Triples Prep free?
CDL Doubles Triples Prep is free to download, with in-app purchases available.
Is CDL Practice Test free?
CDL Practice Test is free to download, with in-app purchases available.
Do CDL Doubles Triples Prep or CDL Practice Test have ads?
Neither CDL Doubles Triples Prep nor CDL Practice Test shows ads.
Which is updated more often, CDL Doubles Triples Prep or CDL Practice Test?
CDL Doubles Triples Prep ships an update every 8 days, and CDL Practice Test monthly. Most recently, CDL Doubles Triples Prep was updated on October 7, 2026 and CDL Practice Test on October 6, 2026.

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