# Science 8 vs Grade 9 Science Practice

The clearest difference is update cadence: Grade 9 Science Practice at every 11 days against Science 8's every 3 months. Science 8's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Science 8 ships an update every 3 months, Grade 9 Science Practice every 11 days. The most recent releases landed on August 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Science 8 | Grade 9 Science Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/science-8/id1082583626/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 32 MB | 24 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [IdeateGames](https://appshunter.io/developer/446654404) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Science 8

[App page](https://appshunter.io/ios/app/science-8/id1082583626)

This app offers interactive tools and practice tests to help middle school students visualize and understand key science concepts. It includes simulations for density, molecular activity, and population dynamics, along with practice tests covering various science subjects.

**Highlights:** Interactive molecular activity demonstration, Density and buoyancy simulation, Comprehensive science practice tests, Category building exercises, Statistics exploration tool, Food web population dynamics simulation

**Features:** macOS Compatibility

**In-app purchases:** none


### Grade 9 Science Practice

[App page](https://appshunter.io/ios/app/grade-9-science-practice/id6757635913)

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

**In-app purchases:** none


## Frequently asked questions

### Is Science 8 free?

Science 8 is free to download, with no in-app purchases.

### Is Grade 9 Science Practice free?

Grade 9 Science Practice is free to download, with no in-app purchases.

### Do Science 8 or Grade 9 Science Practice have ads?

Neither Science 8 nor Grade 9 Science Practice shows ads.

### Which is updated more often, Science 8 or Grade 9 Science Practice?

Science 8 ships an update every 3 months, and Grade 9 Science Practice every 11 days. Most recently, Science 8 was updated on August 19, 2026 and Grade 9 Science Practice on September 21, 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.*