Comparison

Peterson's Test Prep vs ReadyLine Apparatus

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

Head to head
About

Peterson's Test Prep

Prepare for standardized tests to achieve your educational and career goals. Access a vast library of courses and practice materials for college entrance, military, and professional certifications. Syncs seamlessly with a web platform for flexible learning.

Highlights
  • Diagnostic tests
  • Practice exams
  • Interactive lessons
  • Flashcards
  • Expert strategies
  • Web-based access
  • Cross-platform syncing
Features
Read full description

Boost your college entrance exam scores and get into the school of your dreams. Improve your ASVAB score to unlock more career opportunities, higher bonuses, and greater enlistment options in the military. Set your child up for success on their private school entrance exam. Skip the classroom and earn college credit affordably by passing Credit by Exam courses on the first try. It doesn’t matter where you are in your education, career, or military journey, Peterson's Test Prep is here to help you reach your goals with confidence and success. The Peterson's Test Prep app seamlessly syncs with our intuitive web-based platform, allowing you to pick up where you left off, whether you're on your computer or phone—so you can stay on track without missing a beat. With proven tools and expert-designed learning methods, success is within reach. Enjoy features that help you perform at your best, including: Diagnostic tests, practice exams, mini-quizzes, and flashcards Engaging, interactive lessons and videos Effective strategies for acing your exam Web-based access to all our comprehensive courses With over 250 test prep courses and practice tests, Peterson's Test Prep will guide you every step of the way. Check out our course catalog: College exams: - ACT - Accuplacer - AP Chemistry - AP Microeconomics - PSAT/NMSQT Career exams: - Alcohol and Drug Counselor - Commercial Drivers License (CDL) - Court Officer - Civil Service - EMT - FBI Agent - ICE Special Agent - NCLEX-RN - Pharmacy Technician - Praxis Core, Praxis Early Childhood - Praxis Elementary - Praxis Mathematics - Praxis Middle School - Praxis ParaPro - Public Safety Dispatcher/911 Operator - Real Estate - State Trooper - TABE - Treasury Enforcement Agent - U.S. Border Patrol Agent - Vet Technician Military exams: - AFOQT - ASVAB - ASTB-E - OAR - NAPT - SIFT High School Placement: - HiSET - HSPT - ISEE - SSAT - TACHS High School Equivalency: - GED Credit by Exam: - CLEP (American Government, American Literature, Analyzing and Interpreting Literature, Biology, Business Law, Calculus, Chemistry, College Algebra, College Composition, College Mathematics, Educational Psychology, English Literature, Financial Accounting, French, Human Growth and Development, Humanities, Information Systems, Introductory Psychology, Introductory Sociology, Natural Sciences, Pre-Calculus, Principles of Macroeconomics, Principles of Management, Principles of Marketing, Principles of Microeconomics, Social Sciences and History, Spanish, U.S. History I, U.S. History II, Western Civilization I, Western Civilization II) - DSST (Astronomy, Business Ethics and Society, Business Math, Civil War and Reconstruction, College Algebra, Computing and Information Technology, Criminal Justice, Environmental Science, Ethics in America, Ethics in Technology, Foundations of Education, Fundamentals of Counseling, Fundamentals of Cybersecurity, General Anthropology, Health and Human Development, History of the Soviet Union, Human Resources Management, Introduction to Business, Introduction to Geography, Introduction to Law Enforcement, Introduction to World Religions, Management Information Systems, Math for Liberal Arts, Money and Banking, Organizational Behavior, Personal Finance, Principles of Advanced English Composition, Principles of Finance, Principles of Public Speaking, Principles of Statistics, Principles of Supervision, Substance Abuse, Technical Writing). Graduate Admissions: - DAT - GMAT - GRE - LSAT - PCAT

About

ReadyLine Apparatus

Features
Read full description

ReadyLine Apparatus turns the rig you ride into a study tool. The best crews do not think about where a tool is, they just reach for it. That kind of recall is not a gift, it is reps. But the apparatus is the one thing you cannot take home to study, so those reps are hard to come by. ReadyLine Apparatus fixes that. HOW IT WORKS • Photograph your apparatus. Shoot each side square-on: driver, officer, rear, front, whatever sides you run. • Map the compartments. Tap the photo where each compartment lives and drop a box on it, so the rig is mapped exactly the way you see it on the apron. • Tag what rides inside. Build the contents of each compartment from an equipment library you can customize. • Drill until it is automatic. Get prompted for a tool and tap the compartment it lives in. Track what you are getting right and where you are weak, and run reps until you know the whole rig. BUILT FOR THE JOB • Everything stays on your device. Nothing is uploaded, no account, no sign-in. • Build a deck for every apparatus you ride: engine, truck, medic, all of it. • Department sets: build and drill your own apparatus, or open a read-only set your department sends out, so every member studies the same rig the same way. Whether you are new to a house and learning an unfamiliar rig, or keeping your recall sharp on the apparatus you ride every shift, ReadyLine Apparatus gives you the reps. ReadyLine Apparatus is a study tool, and only that. It is not an inventory system, an apparatus-check or daily rig-check record, or a reference for incident operations. It builds recall so the knowledge is already in your head when you need it. It does not replace your department's official checks or records. Training use only.

Screenshots

Peterson's Test Prep4 screens
ReadyLine Apparatus4 screens

Verdict

The call

The clearest difference is price: Peterson's Test Prep at Free against ReadyLine Apparatus's $4.99. ReadyLine Apparatus's advantage is in-app purchases (none vs 3) and update cadence (every 6 days vs every 2 months). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

Peterson's Test Prep is free to download; ReadyLine Apparatus costs $4.99 up front. Peterson's Test Prep sells 3 in-app purchases, starting at $58.99 per month. ReadyLine Apparatus asks for nothing beyond the download.

UpkeepUpdate frequency

Peterson's Test Prep ships an update every 2 months, ReadyLine Apparatus every 6 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Peterson's Test Prep versus ReadyLine Apparatus: the parameters behind the verdict, then further details
ParameterPeterson's Test PrepReadyLine Apparatus
PriceFree — better$4.99
Rating4.5 (336 ratings) — better—
Positive reviews61.1% of reviews—
Number of ratings336 — better—
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size29 MB2 MB
Age rating12+4+
DeveloperPeterson's, LLCReadyLine Response Solutions LLC

Bugs and requests

Peterson's Test Prep

Reported bugs

6 issues
  • Practice tests won't load
  • App keeps closing when opening practice exams
  • Flashcards and study material are blank
  • Videos don't load properly
  • App intermittently freezes
Show 1 more
  • Drag-and-drop functionality broken on mobile

Requested features

7 requests
  • Ability to revisit test questions and answers for review
  • More comprehensive DSST study material
  • Update outdated content
  • Fix drag-and-drop functionality on mobile
  • Improve customer service responsiveness
Show 2 more
  • Clarify subscription terms to avoid recurring charges
  • Add more practice exams for specific certifications

ReadyLine Apparatus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Peterson's Test Prep

Subscriptions3
  • 1 month$58.991 Month
  • 3 months$134.993 Months
  • 6 months$234.996 Months
None

ReadyLine Apparatus

No in-app purchases

Questions

Is Peterson's Test Prep free?
Peterson's Test Prep is free to download, with in-app purchases available.
Is ReadyLine Apparatus free?
ReadyLine Apparatus costs $4.99, with no in-app purchases.
Do Peterson's Test Prep or ReadyLine Apparatus have ads?
Neither Peterson's Test Prep nor ReadyLine Apparatus shows ads.
Which is updated more often, Peterson's Test Prep or ReadyLine Apparatus?
Peterson's Test Prep ships an update every 2 months, and ReadyLine Apparatus every 6 days. Most recently, Peterson's Test Prep was updated on November 11, 2026 and ReadyLine Apparatus on October 31, 2026.

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