# Stellar Math vs Rew

The clearest difference is ads: Stellar Math at none against Rew's shown. Rew's advantage is update cadence (every 3 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stellar Math sells 2 in-app purchases, starting at $9.99 per month and Rew sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stellar Math ships an update every 8 months, Rew every 3 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Stellar Math | Rew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stellar-math/id6753595457/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 113 MB | 16 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Matthew Leonard](https://appshunter.io/developer/522479113) | [Ernst Danielle Legaspi](https://appshunter.io/developer/6794576535) |

## 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 |


### Rew

[App page](https://appshunter.io/ios/app/rew-ai-study-companion/id6794576533)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7 Topic Credits | $0.99 | one-time |


## Frequently asked questions

### Is Stellar Math free?

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

### Is Rew free?

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

### Do Stellar Math or Rew have ads?

Rew shows ads; Stellar Math does not.

### Which is updated more often, Stellar Math or Rew?

Stellar Math ships an update every 8 months, and Rew every 3 days. Most recently, Stellar Math was updated on October 15, 2026 and Rew on October 1, 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.*