# Grade One Science vs Japan Ready Function

The clearest difference is iOS requirement: Grade One Science at 13.0 against Japan Ready Function's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Grade One Science ships an update every 4 months, Japan Ready Function every 6 months. The most recent releases landed on September 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Grade One Science | Japan Ready Function |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grade-one-science/id6736531855/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 201 MB | 51 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [360ed Pte Ltd](https://appshunter.io/developer/1459468188) | [Career-Tech Japan Co.,LTD](https://appshunter.io/developer/1858175254) |

## What reviewers say

### Grade One Science

[App page](https://appshunter.io/ios/app/grade-one-science/id6736531855)

This app introduces fundamental science concepts for first graders through interactive lessons, engaging videos, and immersive 3D models. It supports classroom learning and independent exploration, helping to improve critical thinking and knowledge retention.

**Highlights:** Interactive lessons, Engaging educational videos, Immersive 3D models, Practice exercises, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Japan Ready Function

[App page](https://appshunter.io/ios/app/japan-ready-function-lms/id6757743661)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade One Science free?

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

### Is Japan Ready Function free?

Japan Ready Function is free to download, with no in-app purchases.

### Do Grade One Science or Japan Ready Function have ads?

Neither Grade One Science nor Japan Ready Function shows ads.

### Which is updated more often, Grade One Science or Japan Ready Function?

Grade One Science ships an update every 4 months, and Japan Ready Function every 6 months. Most recently, Grade One Science was updated on September 18, 2026 and Japan Ready Function on October 2, 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.*