# StarMap 3D+ Plus vs CDL Test Prep 2026 Edition

The clearest difference is price: CDL Test Prep 2026 Edition at Free against StarMap 3D+ Plus's $2.99. CDL Test Prep 2026 Edition also leads on update cadence (weekly vs every 5 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CDL Test Prep 2026 Edition is free to download; StarMap 3D+ Plus costs $2.99 up front. StarMap 3D+ Plus sells 1 one-off in-app purchase and CDL Test Prep 2026 Edition sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

StarMap 3D+ Plus ships an update every 5 weeks, CDL Test Prep 2026 Edition weekly. The most recent releases landed on September 26, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | StarMap 3D+ Plus | CDL Test Prep 2026 Edition |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 576 MB | 52 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sanville Software](https://appshunter.io/developer/324038410) | [Mathew Paul](https://appshunter.io/developer/1875096479) |

## 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


### CDL Test Prep 2026 Edition

[App page](https://appshunter.io/ios/app/cdl-test-prep-2026-edition/id6758808380)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Lifetime Pro Access | $24.99 | one-time |


## Frequently asked questions

### Is StarMap 3D+ Plus free?

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

### Is CDL Test Prep 2026 Edition free?

CDL Test Prep 2026 Edition is free to download, with in-app purchases available.

### Do StarMap 3D+ Plus or CDL Test Prep 2026 Edition have ads?

Neither StarMap 3D+ Plus nor CDL Test Prep 2026 Edition shows ads.

### Which is updated more often, StarMap 3D+ Plus or CDL Test Prep 2026 Edition?

StarMap 3D+ Plus ships an update every 5 weeks, and CDL Test Prep 2026 Edition weekly. Most recently, StarMap 3D+ Plus was updated on September 26, 2026 and CDL Test Prep 2026 Edition on September 4, 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.*