Comparison

13e education vs SAT Math Prep

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

Head to head
About

13e education

Read full description

The app is used to control the progress of students in 13e

About

SAT Math Prep

Master SAT and PSAT math with an adaptive learning system. Practice offline with dynamic difficulty, timed quizzes, and built-in tools like a graphing calculator. Improve speed and accuracy for high scores.

Highlights
  • Adaptive learning system
  • Dynamic difficulty adjustment
  • Offline mobile-optimized experience
  • Timed practice quizzes
  • Built-in Desmos graphing calculator
  • Error analysis and targeted repetition
Features
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Master the Digital SAT® and PSAT® Math sections with the MentaFlex adaptive learning system. Designed for accuracy, speed, and real results, our smart algorithm keeps you in the optimal learning zone to help you build skills up to a 750+ mastery level in your digital SAT math preparation. Whether you have 15 minutes a day for a quick "Daily 5" error review or are doing a deep-dive weekend session, MentaFlex offers a completely offline, mobile-optimized experience so you can study anywhere, anytime. ■ SMART ADAPTIVE PRACTICE • Dynamic Difficulty: The algorithm automatically adjusts question difficulty across 5 levels based on your real-time performance. • Adaptive Scaffolding: If you miss a tough concept, the system serves an easier "bridge" question to help you rebuild your foundation before moving back to higher difficulties. • Circular Concept Rotation: No math skill is left behind. The app systematically rotates through all Algebra, Advanced Math, Problem Solving, and Geometry sub-skills. ■ SPEED BLITZ PRACTICE • 10 Questions in 10 Minutes: Test your pacing and decision-making under realistic test pressure with rapid-fire 10-question quizzes. • 6 Difficulty Tiers: Tailor your Blitz from Level 200 (Foundational Math) up to Level 700 (Elite 700+ Score Target). • 100% Skill Diversity: Every Blitz guarantees 10 distinct math skills across questions to test your complete range. • Level Performance Dashboard: Track your question volume and accuracy percentage across every difficulty tier, backed by real-time MentaFlex Coach advice. ■ MOBILE-FIRST LEARNING TOOLS • Distraction-Free Format: All questions are formatted as 4-option multiple choice to eliminate typing errors and provide a seamless mobile experience. • Built-In Desmos: Access the official Digital SAT Desmos graphing calculator directly on-screen (requires internet). • Scratchpad & Formulas: Draw directly on the screen with your finger or stylus, and easily access the official math formula sheet. • Tactical Timers: Practice with standard 60-second intervals to mimic the real test, or use 15s/30s lightning drills to build mental reflexes. ■ LEARN WITHOUT PENALTY • Two Attempts: You get two tries per question with no point penalties for mistakes. • Pedagogical Hints: Get a logic guide after your first wrong answer to help you find the solution without giving it away. • Error Analysis: Targeted repetition of your weakest areas produces the largest score improvements. ■ TRANSPARENT PRICING Start for free with an initial pool of questions to build your fundamental skills, followed by a free daily question allowance to keep your practice consistent. When you are ready for unlimited practice, upgrade to Premium for full access to the adaptive 750+ curriculum. Premium is a single, one-time purchase—no recurring subscription fees! Disclaimer: SAT® is a registered trademark of the College Board, which was not involved in the production of, and does not endorse this product. Scores shown in the app reflect progress within the practice system and are provided for learning purposes only.

Screenshots

13e education4 screens
SAT Math Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: 13e education at none against SAT Math Prep's 4. SAT Math Prep's advantage is update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price, ads 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

Both are free to download. SAT Math Prep sells 4 one-off in-app purchases. 13e education asks for nothing beyond the download.

UpkeepUpdate frequency

13e education ships an update every 2 months, SAT Math Prep every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
13e education versus SAT Math Prep: the parameters behind the verdict, then further details
Parameter13e educationSAT Math Prep
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size27 MB30 MB
Age rating4+4+
DeveloperLittle Tree Technology Service Company LimitedArtak Martirosyan

In-app purchases

None

13e education

No in-app purchases

4 purchases

SAT Math Prep

One-time4
  • 1-Week Premium Access$3.99
  • 1-Month Premium Access$15.99
  • 3-Month Premium Access$29.99
Show 1 more
  • 6 Month Premium Access$49.99

Questions

Is 13e education free?
13e education is free to download, with no in-app purchases.
Is SAT Math Prep free?
SAT Math Prep is free to download, with in-app purchases available.
Do 13e education or SAT Math Prep have ads?
Neither 13e education nor SAT Math Prep shows ads.
Which is updated more often, 13e education or SAT Math Prep?
13e education ships an update every 2 months, and SAT Math Prep every 2 weeks. Most recently, 13e education was updated on October 27, 2026 and SAT Math Prep on October 28, 2026.

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