Comparison

Test Doctor vs ACT Prep & Test

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

Head to head
About

Test Doctor

This app helps you prepare for the ACT Math section with a smart diagnostic test. It identifies your strengths and weaknesses, then provides personalized study suggestions, articles, and practice problems for efficient learning.

Highlights
  • Smart diagnostic test
  • Personalized study suggestions
  • Study articles
  • Example problems
  • Targeted practice problems
Features
Read full description

Test Doctor: ACT Math is a comprehensive preparation tool for the Math section of the ACT. Preparing for the ACT can be overwhelming. Test Doctor provides the resources needed to prepare, but also takes the guesswork out of knowing what to study. Test Doctor is built around a smart diagnostic test that adjusts itself to figure out what you know and what you need to review. The app compares your results and typical tests topics to make a list of study suggestions aimed at helping you prepare as efficiently as possible. Once you’ve decided what to study, Test Doctor has dozens of study articles and example problems, with hundreds of targeted practice problems let you study what you need the most. Test Doctor is free to use for the diagnostic test and primary recommendations. Topic-specific and targeted practice problems require the full version. Test Doctor: ACT Math is not affiliated with ACT, Inc. ACT® is a registered trademark of ACT, Inc.

About

ACT Prep & Test

Features
Read full description

This app contains thousands of real test questions for self learning & test preparation. With our Advanced Smart Learning Technology, you can study anywhere, anytime without Internet connectivity. ACT Prep uses proven study and test-taking strategies so that you’ll feel confident and ready to go when you have to take the ACT test. ACT Prep is a powerful test simulator that allows you to choose various practice tests with detailed answer explanations for every question. All questions are formulated by experts closer to the actual ACT test questions. Main Features: - Challenge yourself and familiarize with different questions and problems. It has two modes; •Quiz Mode •Practice Mode - Learning materials are prepared by EXPERTS in this field for the most current test. - Experience the real test environment by the TEST SIMULATOR. - Contest, Quizzes, Simulation, Questions and other perfect interconnections. - Thousands of real test questions. - Detailed study and test-taking strategies. - Detailed answer explanations for every question. - No registration required. Main Modules: - Questions (Math、Science、English、Reading) - Practice Quizzes - Daily Contest - Simulation Contest - Flaw Sweeper - Expert - Study Report - Favorite - Notes Main Categories: - Math Math v1 ~ v3 (143 Items) Math v4 ~ v6 (118 Items) - Science Science v1 ~ v3 (149 Items) Science v4 ~ v5 (115 Items) - English English v1 ~ v3 (148 Items) English v4 ~ v6 (132 Items) English v7 ~ v9 (320 Items) - Reading Reading v1 ~ v3 (150 Items) Reading v4 ~ v6 (125 Items) Reading v7 ~ v8 (215 Items) Expert: - Expert record you performance, gives a comprehensive review and highlight the weaker area to let you focus on them while studying for ACT test questions. - Based on history, quickly analyze the mastery of each chapter and adjust your learning content in real time. ACT:American College Testing We have helped a lot of students and professionals. Download now! Waiting for you here! Get access to all questions when you subscribe: .1 Month: one auto-renewing payment of $4.99 .3 Months: one auto-renewing payment of $9.99 .12 Months: one auto-renewing payment of $19.99 Please send your feedback to xtipcel@gmail.com Privacy Policy:http://www.imp123.com/VastSky/AppSupport/privacy_en.html Terms of Use:http://www.imp123.com/VastSky/AppSupport/TermsOfUse.html

Screenshots

Test Doctor4 screens
ACT Prep & Test4 screens

Verdict

The call

The clearest difference is update cadence: Test Doctor at every 4 days against ACT Prep & Test's every 3 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. Test Doctor sells 1 one-off in-app purchase and ACT Prep & Test sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Test Doctor ships an update every 4 days, ACT Prep & Test every 3 months. The most recent releases landed on September 18, 2026 and December 5, 2025 respectively.

Scorecard1 real difference · 8 level
Test Doctor versus ACT Prep & Test: the parameters behind the verdict, then further details
ParameterTest DoctorACT Prep & Test
PriceFreeFree
Rating5.0 (6 ratings) — better—
Number of ratings6 — better—
Update frequencyEvery 4 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.4 — better12.0
Further details — not scored
Size74 MB38 MB
Age rating4+12+
DeveloperWayfare Apps, LLC学勇 张

In-app purchases

1 purchases

Test Doctor

One-time1
  • Upgrade to Full Version$2.99
3 purchases

ACT Prep & Test

Subscriptions3
  • MONTHLY$4.991 Month
  • 3 MONTHS$9.993 Months
  • YEARLY$19.991 Year

Questions

Is Test Doctor free?
Test Doctor is free to download, with in-app purchases available.
Is ACT Prep & Test free?
ACT Prep & Test is free to download, with in-app purchases available.
Do Test Doctor or ACT Prep & Test have ads?
Neither Test Doctor nor ACT Prep & Test shows ads.
Which is updated more often, Test Doctor or ACT Prep & Test?
Test Doctor ships an update every 4 days, and ACT Prep & Test every 3 months. Most recently, Test Doctor was updated on September 18, 2026 and ACT Prep & Test on December 5, 2025.

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