Comparison

ACT Math vs NTK SAT Math II

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

Head to head
About

ACT Math

This app provides comprehensive practice for the ACT Algebra section with numerous questions and detailed explanations. It includes mock tests, instant feedback, and progress tracking to help users prepare effectively for the exam.

Highlights
  • 490 ACT Algebra practice questions
  • 49 revision notes
  • Mock tests with mixed questions
  • Instant feedback on answers
  • Detailed explanations for each question
  • Progress tracking with charts
  • Revision by topic
Features
Read full description

490 questions and 49 revision notes covering all ACT Algebra syllabus. This is a high quality content written by an experienced Mathematician. Other features include: ** MOCK TEST Mixed questions from all topics. ** INSTANT FEEDBACK Know instantly if your answer was right or wrong. ** REVIEW WITH EXPLANATION Review each question at the end of the test. Know the right answer with detailed explanation for each question. ** PROGRESS METER With our unique progress tracking feature including pie charts and bar graphs showing your progress, you know you are ready to take on the real test at the board when your progress meter says 100%. ** REVISE BY TOPIC 1. Exponents Exponents of 10 Scientific Notation Square Roots Squares Evaluating Exponents Dividing Exponents Multiplying Exponents Exponent of a Exponent Advanced Exponents 1 Advanced Exponents 2 2. Algebric Expressions Addition and Subtraction of Algebraic Expressions Multiplication of Algebraic Expressions Algebraic Fractions Expanding Simplifying and Factoring Binomial Expansion Evaluating Expressions 1 Evaluating Expressions 2 Manipulation and Evaluation of Expressions Translation into Algebraic Expressions Substitution Problems Difference of Two Squares Factoring Quadratics with Unit Coefficient 3. Equations & Inequalities Linear Equations 1 Linear Equations 2 Linear Equations 3 Inequalities Inequalities on Number Lines Solving Inequalities Solving for One Variable in Terms of Another Setting up Equations Solving Equations with Radical Expressions Working with 'unsolvable' equations Equations Involving Absolute Values 4. Functions Functions as Models Compound Functions and Translations Logarithms 5. Advance Equations & Inequalities Systems of Equations (Linear) Setting up Systems of Equations Solving Quadratics by Factoring Using the Quadratic Formula Rational Equations and Inequalities Quadratic Inequalities 6. Miscellaneous Introduction to Sequences Arithmetic Sequences Geometric Sequences Surds Complex Numbers Matrices Disclaimer: ACT is a registered trademark of ACT Inc. ACT Inc neither sponsors nor endorses this product or any of its content. There may be a possibility of some bugs, inaccuracies or typographical errors for which the owner cannot be held liable. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

NTK SAT Math II

Features
Read full description

This NTK SAT Math II app is designed for students taking the SAT Math II examination offered by College Board. This app is an ideal resource for self-study and revision. There are two app versions available: Lite and Pro. You are now viewing the Lite version. In this app, users can try out Test 1 for free and make an in-app purchase for Tests 2-5 individually. In the Pro app, users can purchase Tests 1-5 together at a reduced price. While the contents and features in both apps are entirely the same, the different versions are designed to provide greater flexibility for students in matching their study needs. Key features: > 5 complete SAT Math II tests with 250 SAT style questions > After submission, tests will be marked automatically and you will receive a predicted SAT score > You will be given a score report with detailed breakdown of each section highlighting your strengths and weaknesses Questions in this app are written by highly experienced Mathematics specialists in NTK's Mathematics Department (Main author: Derek Yim, BSc). This app is designed and developed by Will Yu, Gary Chan, Tony Chan and Anthony Mok. Please visit our website: http://www.ntk.edu.hk/

Screenshots

ACT Math4 screens
NTK SAT Math II4 screens

Verdict

The call

The clearest difference is update cadence: NTK SAT Math II at every 8 days against ACT Math's every 11 months. NTK SAT Math II also leads on iOS requirement (8.0 vs 15.0). 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. ACT Math sells 1 one-off in-app purchase and NTK SAT Math II sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ACT Math ships an update every 11 months, NTK SAT Math II every 8 days. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
ACT Math versus NTK SAT Math II: the parameters behind the verdict, then further details
ParameterACT MathNTK SAT Math II
PriceFreeFree
Rating4.7 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 11 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size17 MB33 MB
Age rating+44+
DeveloperWebrich Software LimitedNTK Academic Group

In-app purchases

1 purchases

ACT Math

One-time1
  • Full Question Bank$1.99
4 purchases

NTK SAT Math II

One-time4
  • SAT Math Set 2$0.99
  • SAT Math Set 3$0.99
  • SAT Math Set 4$0.99
Show 1 more
  • SAT Math Set 5$0.99

Questions

Is ACT Math free?
ACT Math is free to download, with in-app purchases available.
Is NTK SAT Math II free?
NTK SAT Math II is free to download, with in-app purchases available.
Do ACT Math or NTK SAT Math II have ads?
Neither ACT Math nor NTK SAT Math II shows ads.
Which is updated more often, ACT Math or NTK SAT Math II?
ACT Math ships an update every 11 months, and NTK SAT Math II every 8 days. Most recently, ACT Math was updated on November 1, 2026 and NTK SAT Math II on November 2, 2026.

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