# 13e education vs SAT Math Prep

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.

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

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.

## The numbers

| Metric | 13e education | SAT Math Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sat-math-prep-daily-practice/id6761431658/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 30 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Little Tree Technology Service Company Limited](https://appshunter.io/developer/1581364333) | [Artak Martirosyan](https://appshunter.io/developer/1889590586) |

## What reviewers say

### 13e education

[App page](https://appshunter.io/ios/app/13e-education/id1640954044)

**In-app purchases:** none


### SAT Math Prep

[App page](https://appshunter.io/ios/app/sat-math-prep-daily-practice/id6761431658)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Week Premium Access | $3.99 | one-time |
| 1-Month Premium Access | $15.99 | one-time |
| 3-Month Premium Access | $29.99 | one-time |
| 6 Month Premium Access | $49.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*