# SmartStart Early Learning vs 3D Solar System Tour

The clearest difference is price: 3D Solar System Tour at Free against SmartStart Early Learning's $2.99. 3D Solar System Tour also leads on update cadence (every 3 weeks vs every 12 months) and iOS requirement (15.0 vs 26.6). SmartStart Early Learning's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

3D Solar System Tour is free to download; SmartStart Early Learning costs $2.99 up front. 3D Solar System Tour sells 1 one-off in-app purchase. SmartStart Early Learning asks for nothing beyond the download.

SmartStart Early Learning ships an update every 12 months, 3D Solar System Tour every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SmartStart Early Learning | 3D Solar System Tour |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 50 MB | 74 MB |
| Requires iOS | 26.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DigiGalaxy](https://appshunter.io/developer/1470420175) | [Takashi Imamura](https://appshunter.io/developer/1801902689) |

## What reviewers say

### SmartStart Early Learning

[App page](https://appshunter.io/ios/app/smartstart-early-learning/id1470420387)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Solar System Tour

[App page](https://appshunter.io/ios/app/3d-solar-system-tour/id6755645976)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $5.00 | one-time |


## Frequently asked questions

### Is SmartStart Early Learning free?

SmartStart Early Learning costs $2.99, with no in-app purchases.

### Is 3D Solar System Tour free?

3D Solar System Tour is free to download, with in-app purchases available.

### Do SmartStart Early Learning or 3D Solar System Tour have ads?

3D Solar System Tour shows ads; SmartStart Early Learning does not.

### Which is updated more often, SmartStart Early Learning or 3D Solar System Tour?

SmartStart Early Learning ships an update every 12 months, and 3D Solar System Tour every 3 weeks. Most recently, SmartStart Early Learning was updated on November 6, 2026 and 3D Solar System Tour 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.*