# ISS Explorer vs College Tool

The clearest difference is in-app purchases: ISS Explorer at none against College Tool's 1. ISS Explorer also leads on ratings volume (16 vs 4) and iOS requirement (13.0 vs 15.0). College Tool's advantage is update cadence (every 3 weeks vs every 10 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. College Tool sells 1 in-app purchase, starting at $17.99 per year. ISS Explorer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for ISS Explorer against 5.0 for College Tool. Both are backed by a comparable volume of ratings — 16 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ISS Explorer ships an update every 10 months, College Tool every 3 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | ISS Explorer | College Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/iss-explorer/id1429876038/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/college-tool/id6777793101/reviews)** |
| Number of ratings | **16** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 747 MB | 12 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [We Got You 1776 LLC](https://appshunter.io/developer/6777793103) |

## What reviewers say

### ISS Explorer

[App page](https://appshunter.io/ios/app/iss-explorer/id1429876038)

Explore a detailed 3D model of the International Space Station. Rotate, zoom, and select individual components to learn about their function and systems. Organize your view by turning parts and labels on or off.

**Highlights:** Interactive 3D ISS model, Rotate and zoom functionality, Selectable parts with isolation, Detailed information on components, Hierarchical part organization, Toggle parts and labels

**Features:** Vision Pro support

**In-app purchases:** none


### College Tool

[App page](https://appshunter.io/ios/app/college-tool/id6777793101)

Plan your college education around your earned military benefits. This app helps military families estimate tuition, housing, and book costs covered by the GI Bill® and other programs. Build phased plans, compare scenarios, and understand your financial path to higher education.

**Highlights:** Build multi-phase college plans, Estimate GI Bill® coverage for tuition, housing, and books, Stack multiple benefit chapters, Account for combined-cap and outer-ceiling rules, Apply Forever GI Bill® housing rules, Compare stateside vs. overseas housing, Save plans as PDF

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $17.99 | per year |


## Frequently asked questions

### Is ISS Explorer free?

ISS Explorer is free to download, with no in-app purchases.

### Is College Tool free?

College Tool is free to download, with in-app purchases available.

### Which has better reviews, ISS Explorer or College Tool?

College Tool is rated higher. ISS Explorer averages 4.9 out of 5 from 16 ratings, while College Tool averages 5.0 from 4 ratings.

### Do ISS Explorer or College Tool have ads?

Neither ISS Explorer nor College Tool shows ads.

### Which is updated more often, ISS Explorer or College Tool?

ISS Explorer ships an update every 10 months, and College Tool every 3 weeks. Most recently, ISS Explorer was updated on October 13, 2026 and College Tool on October 13, 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.*