Comparison

InstantCert CLEP vs CLEP Natural Science Test Prep

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

Head to head
About

InstantCert CLEP

Prepare for college credit exams like CLEP and DSST with smart flashcards and progress tracking. Study over 60 subjects on your phone and connect with a community of learners. Earn college credit faster and save on tuition.

Highlights
  • Smart flashcards for memorization
  • Covers CLEP, DSST & TECEP subjects
  • Mobile study anywhere
  • Progress tracking
  • Community support
  • Over 60 exam subjects
Features
Read full description

Pass Your CLEP & DSST Exams Faster. InstantCert gives you fast, proven access to CLEP, DSST, and TECEP study material. Earn college credit without wasting time or money on unnecessary classes. Trusted by students for over 20 years, InstantCert has helped tens of thousands of learners pass their exams and move forward with confidence. What You Get: • Smart flashcards for fast memorization • Multiple CLEP, DSST & TECEP subjects • Study anywhere on your phone • Progress tracking & exam prep tools • Community support from fellow students Whether you're a college student, adult learner, military member, or homeschooler, InstantCert helps you study smarter and pass faster. You’ll find study materials for over 60 CLEP, DSST, and TECEP subjects, such as: • Biology • Spanish Language • College Algebra • American Government • U.S. History • Principles of Marketing • Principles of Management • Psychology • Sociology • Macroeconomics • Microeconomics • Financial Accounting • Astronomy • Business Ethics • Criminal Justice • Statistics • Western Civilization …and many more. Apple Subscription Details: If you subscribe through iTunes, payment will be charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless cancelled 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. Manage your subscription in your Apple ID account settings: If you subscribed outside of iTunes, you may cancel anytime by emailing webmaster@instantcert.com Privacy Policy: https://www.instantcertonline.com/IC_App_privacy_policy.html Terms of Use: https://www.instantcertonline.com/terms.html

About

CLEP Natural Science Test Prep

Features
Read full description

Get ready for the CLEP (College Level Examination Program) Natural Sciences exam with our all-in-one test prep app, tailored for students preparing to take the exam and science enthusiasts alike. This app offers essential tools for success, including comprehensive study materials and interactive quizzes. Key Features: Expertly Crafted Questions Access a wide range of practice questions closely aligned with the CLEP Natural Sciences exam format. Our extensive question bank covers various topics, ensuring a solid grasp of the material. Realistic Simulations Experience the exam environment with realistic simulations. Practice under timed conditions to enhance your time management skills and build confidence for exam day. Detailed Explanations Each question comes with thorough explanations, providing insights into correct answers. This feature reinforces crucial concepts and helps you understand the reasoning behind each answer. Focused Study Plans Customize your preparation with flexible study plans. Whether you want to focus on specific areas or complete full-length exam simulations, our app adapts to your study preferences for an efficient learning experience. Track Your Progress Stay updated on your performance with comprehensive analytics. Monitor your progress over time, identify areas needing improvement, and track your growth as the exam approaches. Stay Updated We keep you informed about the latest exam developments. Our app is regularly updated to reflect any changes in the CLEP Natural Sciences exam, ensuring you have the most relevant study material. Achieve Confidence and Success With our CLEP Natural Sciences Test Prep App, you’re not just preparing for an exam—you’re preparing for success. Approach the CLEP Natural Sciences exam with confidence and join the ranks of skilled scientists ready to make a significant impact in the field. Important This exam prep course is not affiliated with or endorsed by the College Board. The content is created to help students prepare for the CLEP Natural Sciences certification exam, provided by an independent third party. CLEP and College Board are registered trademarks of the College Entrance Examination Board. Use of these trademarks does not imply any affiliation with or endorsement by them. Download now and take the first step toward achieving your professional goals as an expert in Natural Sciences! You can find more information about our Products and Premium subscription here: https://testprep.cc/terms-and-conditions.html https://testprep.cc/privacy-policy.html

Screenshots

InstantCert CLEP4 screens
CLEP Natural Science Test Prep4 screens

Verdict

The call

The clearest difference is update cadence: InstantCert CLEP at every 6 months against CLEP Natural Science Test Prep's every 16 months. 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. InstantCert CLEP sells 1 in-app purchase, starting at $19.99 per month and CLEP Natural Science Test Prep sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

InstantCert CLEP ships an update every 6 months, CLEP Natural Science Test Prep every 16 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
InstantCert CLEP versus CLEP Natural Science Test Prep: the parameters behind the verdict, then further details
ParameterInstantCert CLEPCLEP Natural Science Test Prep
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews11.1% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 months — betterEvery 16 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size38 MB53 MB
Age rating4+4+
DeveloperInstantCert.com, LLCYAUHEN BAHDANOVICH

In-app purchases

1 purchases

InstantCert CLEP

Subscriptions1
  • All Access (1 Month)$19.991 Month
9 purchases

CLEP Natural Science Test Prep

Subscriptions9
  • Sciences Weekly Full Access$8.997 Days
  • Sciences Monthly Full Access$24.991 Month
  • Science Monthly Full Access3 Days trial$34.991 Month
Show 6 more
  • Science Quarterly Full Access$55.993 Months
  • Science Quarterly Full Access3 Days trial$59.993 Months
  • Science Semiannual Full Access$75.996 Months
  • Science Semiannual Full Access3 Days trial$79.996 Months
  • Science Annual Full Access$109.991 Year
  • Science Annual Full Access3 Days trial$119.991 Year

Questions

Is InstantCert CLEP free?
InstantCert CLEP is free to download, with in-app purchases available.
Is CLEP Natural Science Test Prep free?
CLEP Natural Science Test Prep is free to download, with in-app purchases available.
Do InstantCert CLEP or CLEP Natural Science Test Prep have ads?
Neither InstantCert CLEP nor CLEP Natural Science Test Prep shows ads.
Which is updated more often, InstantCert CLEP or CLEP Natural Science Test Prep?
InstantCert CLEP ships an update every 6 months, and CLEP Natural Science Test Prep every 16 months. Most recently, InstantCert CLEP was updated on November 2, 2026 and CLEP Natural Science Test Prep on November 8, 2026.

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