# Grade 4 Math & Science vs HRALPC Mobile App

The clearest difference is price: HRALPC Mobile App at Free against Grade 4 Math & Science's $1.99. HRALPC Mobile App also leads on iOS requirement (13.0 vs 18.2). Grade 4 Math & Science's advantage is update cadence (every 3 weeks vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

HRALPC Mobile App is free to download; Grade 4 Math & Science costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Grade 4 Math & Science ships an update every 3 weeks, HRALPC Mobile App every 6 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Grade 4 Math & Science | HRALPC Mobile App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grade-4-math-and-science/id520865413/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Paid | — |
| Size | 2 MB | 71 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Prachi Pimpalkhare](https://appshunter.io/developer/359099311) | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) |

## What reviewers say

### Grade 4 Math & Science

[App page](https://appshunter.io/ios/app/grade-4-math-and-science/id520865413)

This app offers interactive quizzes for fourth graders to master math and science concepts. It provides instant feedback, progress tracking with visual charts, and offline access to all content. Designed to be child-friendly and distraction-free, it supports learning at home or in class.

**Highlights:** Topic-wise quizzes, Instant feedback, Progress tracking with pie charts, Score reset option, Offline mode, Child-friendly design

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

**In-app purchases:** none


### HRALPC Mobile App

[App page](https://appshunter.io/ios/app/hralpc-mobile-app/id6476731250)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade 4 Math & Science free?

Grade 4 Math & Science costs $1.99, with no in-app purchases.

### Is HRALPC Mobile App free?

HRALPC Mobile App is free to download, with no in-app purchases.

### Do Grade 4 Math & Science or HRALPC Mobile App have ads?

Neither Grade 4 Math & Science nor HRALPC Mobile App shows ads.

### Which is updated more often, Grade 4 Math & Science or HRALPC Mobile App?

Grade 4 Math & Science ships an update every 3 weeks, and HRALPC Mobile App every 6 months. Most recently, Grade 4 Math & Science was updated on October 27, 2026 and HRALPC Mobile App 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.*