# Project Planet Space vs Toddler Science

The clearest difference is rating: Project Planet Space at 5.0 against Toddler Science's 3.5. Project Planet Space also leads on in-app purchases (none vs 1). Toddler Science's advantage is update cadence (monthly vs every 25 months) and iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Toddler Science sells 1 one-off in-app purchase. Project Planet Space asks for nothing beyond the download.

Project Planet Space holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Project Planet Space ships an update every 25 months, Toddler Science monthly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Project Planet Space | Toddler Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/project-planet-space/id6499347273/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/toddler-science-solar-system/id6502591055/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Monetization | Free | Free |
| Size | 2 MB | 167 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Hanzelka](https://appshunter.io/developer/1653768748) | [Mariyam Akhsheela](https://appshunter.io/developer/1746029310) |

## What reviewers say

### Project Planet Space

[App page](https://appshunter.io/ios/app/project-planet-space/id6499347273)

Explore our solar system with an interactive map. Discover planetary gravity, temperatures, and atmospheric data. Calculate your weight on other worlds and learn fascinating space facts.

**Highlights:** Interactive solar system map, Personalized weight and age calculations, Detailed planetary data widgets, Multi-language support, Metric/Imperial unit switching, Cosmic museum aesthetic, Real astronomical data integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Toddler Science

[App page](https://appshunter.io/ios/app/toddler-science-solar-system/id6502591055)

Introduce toddlers to the solar system through interactive games, captivating videos, and adorable characters. This app offers a safe, ad-free learning environment with multi-sensory elements and narration to foster curiosity and critical thinking.

**Highlights:** Interactive planet matching games, Educational videos on astronomy, Engaging sound effects and animations, Quizzes and puzzles for critical thinking, Multi-sensory learning approach, Professional narration for facts

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is Project Planet Space free?

Project Planet Space is free to download, with no in-app purchases.

### Is Toddler Science free?

Toddler Science is free to download, with in-app purchases available.

### Which has better reviews, Project Planet Space or Toddler Science?

Project Planet Space is rated higher. Project Planet Space averages 5.0 out of 5 from 1 ratings, while Toddler Science averages 3.5 from 2 ratings.

### Do Project Planet Space or Toddler Science have ads?

Neither Project Planet Space nor Toddler Science shows ads.

### Which is updated more often, Project Planet Space or Toddler Science?

Project Planet Space ships an update every 25 months, and Toddler Science monthly. Most recently, Project Planet Space was updated on November 4, 2026 and Toddler 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.*