# Rainbow Challenge App vs Math Solver, Study Pal

The clearest difference is in-app purchases: Rainbow Challenge App at none against Math Solver, Study Pal's 4. Rainbow Challenge App also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Math Solver, Study Pal's advantage is update cadence (every 5 days vs every 32 months). On price and ads there is nothing between them.

Both are free to download. Math Solver, Study Pal sells 4 in-app purchases, starting at $6.99 per 7 days. Rainbow Challenge App asks for nothing beyond the download.

Rainbow Challenge App ships an update every 32 months, Math Solver, Study Pal every 5 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rainbow Challenge App | Math Solver, Study Pal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-solver-study-pal-gpaai/id6754274054/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 42 MB | 27 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [TOLERANTISKO JAUNIMO ASOCIACIJA](https://appshunter.io/developer/1653302851) | [CHASE NC LIMITED](https://appshunter.io/developer/1693326898) |

## What reviewers say

### Rainbow Challenge App

[App page](https://appshunter.io/ios/app/rainbow-challenge-app/id6444240926)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Solver, Study Pal

[App page](https://appshunter.io/ios/app/math-solver-study-pal-gpaai/id6754274054)

This AI-powered learning assistant helps students with homework and studying. It offers instant solutions to scanned questions, generates personalized practice materials, creates mind maps, and summarizes notes. Engage in AI-driven conversations to deepen understanding and make learning more efficient.

**Highlights:** Scan and solve questions instantly, Generate personalized practice questions, Create mind maps from text, Automatic AI study note summarization, Guided AI learning conversations, Unlimited access with premium subscription

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Math AI Weekly | $6.99 | per 7 days |
| Premium Math AI Quarterly | $24.99 | per 3 months |
| Premium Math AI Yearly | $39.99 | per year |
| Premium Math AI Yearly | $39.99 | per year |


## Frequently asked questions

### Is Rainbow Challenge App free?

Rainbow Challenge App is free to download, with no in-app purchases.

### Is Math Solver, Study Pal free?

Math Solver, Study Pal is free to download, with in-app purchases available.

### Do Rainbow Challenge App or Math Solver, Study Pal have ads?

Neither Rainbow Challenge App nor Math Solver, Study Pal shows ads.

### Which is updated more often, Rainbow Challenge App or Math Solver, Study Pal?

Rainbow Challenge App ships an update every 32 months, and Math Solver, Study Pal every 5 days. Most recently, Rainbow Challenge App was updated on October 7, 2026 and Math Solver, Study Pal on October 14, 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.*