# Stellar Math vs NextGen AI Digital SAT Prep

The clearest difference is update cadence: NextGen AI Digital SAT Prep at weekly against Stellar Math's every 8 months. NextGen AI Digital SAT Prep also leads on ratings volume (3 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Stellar Math sells 2 in-app purchases, starting at $9.99 per month and NextGen AI Digital SAT Prep sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Stellar Math against 5.0 for NextGen AI Digital SAT Prep. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stellar Math ships an update every 8 months, NextGen AI Digital SAT Prep weekly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stellar Math | NextGen AI Digital SAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/stellar-math/id6753595457/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/nextgen-ai-digital-sat-prep/id6756975778/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 113 MB | 32 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Matthew Leonard](https://appshunter.io/developer/522479113) | [Dev Apps AI](https://appshunter.io/developer/1863984226) |

## What reviewers say

### Stellar Math

[App page](https://appshunter.io/ios/app/stellar-math/id6753595457)

Master math with an AI tutor that adapts to your learning style and pace. Get instant, step-by-step solutions to problems by snapping a photo and engage with a 24/7 AI chat for clear explanations. Track your progress and build confidence from basic arithmetic to advanced calculus.

**Highlights:** AI-powered step-by-step solutions, Photo problem solver, Interactive AI tutor chat, Personalized study plans, Progress tracking and analytics, Comprehensive math topic coverage

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellar Math Pro | $9.99 | per month |
| Stellar Math Pro Yearly | $69.99 | per year |


### NextGen AI Digital SAT Prep

[App page](https://appshunter.io/ios/app/nextgen-ai-digital-sat-prep/id6756975778)

Prepare for the Digital SAT with over 6,000 practice questions and AI-powered tutoring. Track your progress, identify weak areas, and get personalized study plans. Features include flashcards, timed tests, and AI college counseling.

**Highlights:** 6,000+ SAT-style practice questions, AI Tutor for question explanations, Timed practice tests, Vocabulary and math flashcards, Progress tracking by topic, AI College Counselor, Scan & Solve feature

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $12.99 | per month |
| Annual Premium | $79.99 | per year |


## Frequently asked questions

### Is Stellar Math free?

Stellar Math is free to download, with in-app purchases available.

### Is NextGen AI Digital SAT Prep free?

NextGen AI Digital SAT Prep is free to download, with in-app purchases available.

### Which has better reviews, Stellar Math or NextGen AI Digital SAT Prep?

Stellar Math and NextGen AI Digital SAT Prep are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Stellar Math or NextGen AI Digital SAT Prep have ads?

Neither Stellar Math nor NextGen AI Digital SAT Prep shows ads.

### Which is updated more often, Stellar Math or NextGen AI Digital SAT Prep?

Stellar Math ships an update every 8 months, and NextGen AI Digital SAT Prep weekly. Most recently, Stellar Math was updated on October 15, 2026 and NextGen AI Digital SAT Prep on October 25, 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.*