# Toddler Science vs Solar System&Celestial Objects

The clearest difference is in-app purchases: Solar System&Celestial Objects at none against Toddler Science's 1. Toddler Science's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Toddler Science sells 1 one-off in-app purchase. Solar System&Celestial Objects asks for nothing beyond the download.

Toddler Science ships an update monthly, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on September 14, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Toddler Science | Solar System&Celestial Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/toddler-science-solar-system/id6502591055/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 167 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mariyam Akhsheela](https://appshunter.io/developer/1746029310) | [NIKI TECH](https://appshunter.io/developer/1788609104) |

## What reviewers say

### 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 |


### Solar System&Celestial Objects

[App page](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Toddler Science free?

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

### Is Solar System&Celestial Objects free?

Solar System&Celestial Objects is free to download, with no in-app purchases.

### Do Toddler Science or Solar System&Celestial Objects have ads?

Solar System&Celestial Objects shows ads; Toddler Science does not.

### Which is updated more often, Toddler Science or Solar System&Celestial Objects?

Toddler Science ships an update monthly, and Solar System&Celestial Objects every 6 weeks. Most recently, Toddler Science was updated on September 14, 2026 and Solar System&Celestial Objects on May 16, 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.*