# GED Instant Test Prep vs Stellar Math

The clearest difference is price: Stellar Math at Free against GED Instant Test Prep's $3.99. Stellar Math also leads on update cadence (every 8 months vs every 36 months). GED Instant Test Prep's advantage is in-app purchases (none vs 2) and chart position (#182 vs unranked). On rating, ratings volume, ads and device support there is nothing between them.

Stellar Math is free to download; GED Instant Test Prep costs $3.99 up front. Stellar Math sells 2 in-app purchases, starting at $9.99 per month. GED Instant Test Prep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for GED Instant Test Prep against 5.0 for Stellar Math. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

GED Instant Test Prep ships an update every 36 months, Stellar Math every 8 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | GED Instant Test Prep | Stellar Math |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ged-instant-test-prep/id1369582514/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stellar-math/id6753595457/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 8 months** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#182** | — |
| Size | 33 MB | 113 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instant Test Prep LLC](https://appshunter.io/developer/1369582513) | [Matthew Leonard](https://appshunter.io/developer/522479113) |

## What reviewers say

### GED Instant Test Prep

[App page](https://appshunter.io/ios/app/ged-instant-test-prep/id1369582514)

**Currently charting:** #182 Top Paid · Education (US App Store)

Prepare for the GED exam with comprehensive practice tests and detailed explanations. This app covers all sections, including Math, Language Arts Essay, Science, and Social Studies, with updated content for recent test changes.

**Highlights:** Full-length practice tests, Math sections (Calculator/No-Calculator), Language Arts Essay guide and practice, Science questions with graphical exhibits, Social Studies questions with charts/graphs, Reasoning through Language Arts practice, Detailed explanations for all questions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GED Instant Test Prep free?

GED Instant Test Prep costs $3.99, with no in-app purchases.

### Is Stellar Math free?

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

### Which has better reviews, GED Instant Test Prep or Stellar Math?

GED Instant Test Prep and Stellar Math are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do GED Instant Test Prep or Stellar Math have ads?

Neither GED Instant Test Prep nor Stellar Math shows ads.

### Which is updated more often, GED Instant Test Prep or Stellar Math?

GED Instant Test Prep ships an update every 36 months, and Stellar Math every 8 months. Most recently, GED Instant Test Prep was updated on October 8, 2026 and Stellar Math on September 29, 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.*