# STEM Buddies vs Grade One Science

The clearest difference is rating: Grade One Science at 5.0 against STEM Buddies's 4.4. Grade One Science also leads on in-app purchases (none vs 10). STEM Buddies's advantage is ratings volume (54 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. STEM Buddies sells 10 in-app purchases, starting at $5.99 per 6 months. Grade One Science asks for nothing beyond the download.

Grade One Science holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: STEM Buddies has 54 ratings behind it against 1, so its average is the more settled of the two.

STEM Buddies ships an update every 5 months, Grade One Science every 4 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | STEM Buddies | Grade One Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (54 ratings)](https://appshunter.io/ios/app/stem-buddieskids-learning-app/id1380413683/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grade-one-science/id6736531855/reviews)** |
| Number of ratings | **54** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 487 MB | 201 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sindyan Educational Media FZ-LLC](https://appshunter.io/developer/1358132862) | [360ed Pte Ltd](https://appshunter.io/developer/1459468188) |

## What reviewers say

### STEM Buddies

[App page](https://appshunter.io/ios/app/stem-buddieskids-learning-app/id1380413683)

This app offers an interactive and engaging way for children aged 4-9 to learn about science. It features animated stories, quizzes, and games covering seven key STEM themes, designed by experts and certified for educational quality.

**Highlights:** Animated STEM tales, Interactive quizzes, Kid learning games, Certificates of Completion, Artful coloring sheets, Science for kids videos

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Semi-Annual Subscription | $5.99 | per 6 months |
| Annual Subscription | $9.99 | per year |
| Sound | $1.99 | one-time |
| Water Cycle | $1.99 | one-time |
| Healthy Diet | $1.99 | one-time |
| Buildings | $1.99 | one-time |
| Solar System | $1.99 | one-time |
| Coding | $1.99 | one-time |
| Level One | $4.99 | one-time |
| Level Two | $4.99 | one-time |


### 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 STEM Buddies free?

STEM Buddies is free to download, with in-app purchases available.

### Is Grade One Science free?

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

### Which has better reviews, STEM Buddies or Grade One Science?

Grade One Science is rated higher. STEM Buddies averages 4.4 out of 5 from 54 ratings, while Grade One Science averages 5.0 from 1 ratings.

### Do STEM Buddies or Grade One Science have ads?

Neither STEM Buddies nor Grade One Science shows ads.

### Which is updated more often, STEM Buddies or Grade One Science?

STEM Buddies ships an update every 5 months, and Grade One Science every 4 months. Most recently, STEM Buddies was updated on November 2, 2026 and Grade One Science on October 30, 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.*