# Sample for Science vs Grade 9 Science Practice

The clearest difference is update cadence: Grade 9 Science Practice at every 11 days against Sample for Science's every 6 weeks. 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.

Sample for Science ships an update every 6 weeks, Grade 9 Science Practice every 11 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sample for Science | Grade 9 Science Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Size | 58 MB | 24 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Universidade Federal Fluminense - UFF](https://appshunter.io/developer/739312311) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Sample for Science

[App page](https://appshunter.io/ios/app/sample-for-science/id6470819452)

**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 Sample for Science free?

Sample for Science 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 Sample for Science or Grade 9 Science Practice have ads?

Neither Sample for Science nor Grade 9 Science Practice shows ads.

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

Sample for Science ships an update every 6 weeks, and Grade 9 Science Practice every 11 days. Most recently, Sample for Science was updated on October 12, 2026 and Grade 9 Science Practice on October 8, 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.*