# StarMap 3D+ Plus vs College Engineering Science

The clearest difference is price: StarMap 3D+ Plus at $2.99 against College Engineering Science's $15.99. StarMap 3D+ Plus also leads on update cadence (every 5 weeks vs every 5 months). College Engineering Science's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.6). On ads and device support there is nothing between them.

StarMap 3D+ Plus costs $2.99 and College Engineering Science $15.99 up front. StarMap 3D+ Plus sells 1 one-off in-app purchase. College Engineering Science asks for nothing beyond the download.

StarMap 3D+ Plus ships an update every 5 weeks, College Engineering Science every 5 months. The most recent releases landed on September 29, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | StarMap 3D+ Plus | College Engineering Science |
| --- | --- | --- |
| Price | **$2.99** | $15.99 |
| Rating | **[4.8 (6.8K ratings)](https://appshunter.io/ios/app/starmap-3d-plus-plus/id351986992/reviews)** | — |
| Number of ratings | **6.8K** | — |
| Positive reviews | 86.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 576 MB | 56 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sanville Software](https://appshunter.io/developer/324038410) | [Willie van Schalkwyk](https://appshunter.io/developer/1016415734) |

## What reviewers say

### StarMap 3D+ Plus

[App page](https://appshunter.io/ios/app/starmap-3d-plus-plus/id351986992)

Explore the cosmos with a portable star atlas. Identify planets, constellations, and deep sky objects using your device's sensors. Features detailed information and 3D visualizations for both beginners and advanced astronomers.

**Highlights:** Real-time satellite tracking (ISS, Hubble), Extensive star and deep sky object database, Detailed constellation information and lines, Location-based celestial object identification, 3D universe visualization, Adjustable date and time for celestial viewing

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Stars | $1.99 | one-time |

**What reviewers like**

- 🌟 Excellent star mapping and identification
- 🔍 Detailed information on celestial objects
- 👍 Easy to use and navigate
- 🔭 Helpful for amateur astronomers
- 🌍 Works well across locations

**What reviewers complain about**

- 🐛 Occasional tracking/alignment issues
- 🔍 Lack of detailed instructions/guides
- 🔒 Privacy concerns regarding data collection
- 🎨 Dislike for cartoon-style constellation art

**Reported bugs**

- App crashes or freezes on launch
- Incorrect moon and planet positioning
- Inconsistent performance after updates

**Requested features**

- More detailed deep sky object representations
- Improved tracking and compass accuracy
- Addition of educational content and tutorials
- Customization options for constellation art


### College Engineering Science

[App page](https://appshunter.io/ios/app/college-engineering-science/id1533084500)

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

**In-app purchases:** none


## Frequently asked questions

### Is StarMap 3D+ Plus free?

StarMap 3D+ Plus costs $2.99, and also offers in-app purchases.

### Is College Engineering Science free?

College Engineering Science costs $15.99, with no in-app purchases.

### Do StarMap 3D+ Plus or College Engineering Science have ads?

Neither StarMap 3D+ Plus nor College Engineering Science shows ads.

### Which is updated more often, StarMap 3D+ Plus or College Engineering Science?

StarMap 3D+ Plus ships an update every 5 weeks, and College Engineering Science every 5 months. Most recently, StarMap 3D+ Plus was updated on September 29, 2026 and College Engineering Science on September 9, 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.*