Comparison

digital SAT math vs Algebra Helper by ChatStick

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

Head to head
About

digital SAT math

Features
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This new application consists of 386 new exercises. Hundreds of math questions in both multiple-choice and grid-in formats with worked out solutions. it 's the only app for the new digital SAT with Student - Produced Response (grid-in) exercises. !!!!!!!!!! The ultimate interactive book !!!!!!!!!! Here you can find an intensive preparation for the new digital SAT's all-important Math section, and a valuable learning tool for college-bound students who need extra help in math and feel the need to raise their math scores. --> New, updated, more functional and easy-to-use display of exercises. --> Test creation, containing 22 exercises randomly selected from the 386 existing exercises of the application, following the digital SAT specifications. --> Digital SAT math Test creation, in 2 modules, containing 2x22 exercises randomly selected from the 386 existing exercises of the application, following the digital SAT specifications. --> ***Automatic pagination of the test into 5 - 20 pages, depends on your system screen analysis*** --> Ability to save the test to the 'files' folder with print option given. --> The application creates a different test every time and in no case two tests can be the same. --> Creation, pagination, storage and printing of different tests each time. This app for the digital SAT is unique in the world, provides you with everything you need to improve your Math score—guaranteed. 29 years of experience and a unique approach have led to the ultimate product that outdoes any other digital SAT prep book or application. There are 386 exercises as follows: Algebra: 120 exercises Problem Solving and Data Analysis: 108 exercises Advanced Math: 120 exercises Geometry and Trigonometry: 38 exercises Students can access all exercises of the app in a lot of ways: A: exercises & solutions - by chapter B: exercises & solutions - by category C: play & learn - by chapter D: play & learn - by category E: as a digital SAT TEST in 2 modules with 2x22 = 44 questions F: as a single TEST with 22 questions --> 386 practice questions with expert explanations in 32 chapters or 8 categories --> full theory with over than 300 examples --> Use of both multiple-choice and student-produced response question formats --> the only app with student - produced response exercises (grid-in) --> practice on each chapter separately - play & learn --> a different test for each student.The test questions are selected randomly from the 365 exercises, --> this app generates millions of different tests, --> you can save the test as a .pdf file --> Automatic pagination of the test into 5 - 20 pages --> millions of ****** printable ****** tests --> you can save the answers of the test as a .pdf file --> see the scores and subscores immediately --> save or print the scores as a .pdf file --> use the chronometer to control your test time --> each module last for 35 minute --> students get an alert when 5 minutes remain in the module --> digital SAT 2-module test with 2x22 = 44 questions (following the specifications of the digital SAT math test) --> Once time has expired for the first module, students are automatically advanced to the appropriate (higher- or lower-difficulty) second module and may not return to the questions in the first module. --> Each module is separately timed, and students can move backward and forward among questions in a given module before time runs out --> test with 22 questions ideally to be taught in a teaching hour. Try to finish it in 35 minutes --> you can see the solutions in portrait view or in landscape view ***** text books can not do all these ***** ***** the best, smartest and cheapest way to practice for the digital SAT math TEST ***** The application presents only my point of view for the whole syllabus. Exercises have emerged from twenty-nine years of experience in teaching of Mathematics. Visit our blog: http://i-math-apps.blogspot.com/ for more videos, questions, comments, suggestions e.t.c.

About

Algebra Helper by ChatStick

Features
Read full description

Algebra Helper is your all-in-one companion for mastering algebra. Whether you’re a student preparing for exams, a parent helping your child, or simply brushing up on your math skills, this app makes algebra easy and enjoyable. With clear explanations, interactive tools, and practice quizzes, you’ll gain confidence in solving even the toughest algebra problems. What You’ll Get: Learn with Rules & Examples • Easy-to-understand explanations for factorization, exponents, quadratics, polynomials, inequalities, and more. • Step-by-step worked examples with common mistakes explained. • Search and bookmark your favorite rules for quick revision. Interactive Tools • Factorizer: Break down quadratic and cubic equations instantly. • Quadratic Solver: Solve equations with complete step-by-step solutions. • Exponent Simplifier & Step-by-Step Problem Solver (Premium). Practice & Quizzes • Mixed Practice: Random questions to test your knowledge. • Daily Challenge: One new problem every day. • Premium quiz modes: topic practice, timed tests, and difficulty challenges. • Multiple-choice, short answer, and factorization quizzes. Track Your Progress • See your accuracy, streaks, and learning milestones. • Earn achievements as you improve. • Identify your strongest and weakest areas. Personalize Your Learning • Choose from 15 beautiful themes (5 free, 10 premium). • Dark mode and smooth animations for comfortable study sessions. • Works fully offline—no internet, no ads, no accounts. Free vs Premium • Free: Core rules, daily challenges, basic calculators, 5 themes. • Premium (one-time unlock): All categories, advanced quizzes, step-by-step solver, 10 extra themes, detailed progress stats, and more. With Algebra Helper, you’ll have everything you need to learn, practice, and succeed in algebra—right in your pocket.

Screenshots

digital SAT math4 screens
Algebra Helper by ChatStick4 screens

Verdict

The call

The clearest difference is price: Algebra Helper by ChatStick at Free against digital SAT math's $9.99. Algebra Helper by ChatStick also leads on update cadence (every 6 months vs every 13 months). digital SAT math's advantage is in-app purchases (none vs 1) and ads (none vs shown).

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

Algebra Helper by ChatStick is free to download; digital SAT math costs $9.99 up front. Algebra Helper by ChatStick sells 1 one-off in-app purchase. digital SAT math asks for nothing beyond the download.

UpkeepUpdate frequency

digital SAT math ships an update every 13 months, Algebra Helper by ChatStick every 6 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 0 level
digital SAT math versus Algebra Helper by ChatStick: the parameters behind the verdict, then further details
Parameterdigital SAT mathAlgebra Helper by ChatStick
Price$9.99Free — better
Update frequencyEvery 13 monthsEvery 6 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.4
Further details — not scored
Size66 MB9 MB
Age rating4+4+
DeveloperIOANNIS LABADASChatStick Company Limited

In-app purchases

None

digital SAT math

No in-app purchases

1 purchases

Algebra Helper by ChatStick

One-time1
  • Unlock All Features$1.99

Questions

Is digital SAT math free?
digital SAT math costs $9.99, with no in-app purchases.
Is Algebra Helper by ChatStick free?
Algebra Helper by ChatStick is free to download, with in-app purchases available.
Do digital SAT math or Algebra Helper by ChatStick have ads?
Algebra Helper by ChatStick shows ads; digital SAT math does not.
Which is updated more often, digital SAT math or Algebra Helper by ChatStick?
digital SAT math ships an update every 13 months, and Algebra Helper by ChatStick every 6 months. Most recently, digital SAT math was updated on November 7, 2026 and Algebra Helper by ChatStick on October 30, 2026.

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