# HF Division Trainer vs Grade One Science

The clearest difference is price: Grade One Science at Free against HF Division Trainer's $4.99. Grade One Science also leads on update cadence (every 4 months vs every 38 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Grade One Science is free to download; HF Division Trainer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HF Division Trainer ships an update every 38 months, Grade One Science every 4 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | HF Division Trainer | Grade One Science |
| --- | --- | --- |
| Price | $4.99 | **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 38 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 34 MB | 201 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [360ed Pte Ltd](https://appshunter.io/developer/1459468188) |

## What reviewers say

### HF Division Trainer

[App page](https://appshunter.io/ios/app/hf-division-trainer/id1499807454)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is HF Division Trainer free?

HF Division Trainer costs $4.99, with no in-app purchases.

### Is Grade One Science free?

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

### Do HF Division Trainer or Grade One Science have ads?

Neither HF Division Trainer nor Grade One Science shows ads.

### Which is updated more often, HF Division Trainer or Grade One Science?

HF Division Trainer ships an update every 38 months, and Grade One Science every 4 months. Most recently, HF Division Trainer was updated on October 29, 2026 and Grade One Science on October 23, 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.*