# Rosetta Stone Sapphire vs CDL Prep 2026

The clearest difference is in-app purchases: CDL Prep 2026 at none against Rosetta Stone Sapphire's 1. CDL Prep 2026 also leads on rating (4.9 vs 4.6). Rosetta Stone Sapphire's advantage is ratings volume (2.2K vs 13) and update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rosetta Stone Sapphire sells 1 in-app purchase, starting at $19.99 per month. CDL Prep 2026 asks for nothing beyond the download.

CDL Prep 2026 holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Rosetta Stone Sapphire has 2.2K ratings behind it against 13, so its average is the more settled of the two.

Rosetta Stone Sapphire ships an update every 2 weeks, CDL Prep 2026 monthly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rosetta Stone Sapphire | CDL Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.2K ratings)](https://appshunter.io/ios/app/rosetta-stone-sapphire/id6757200007/reviews) | **[4.9 (13 ratings)](https://appshunter.io/ios/app/cdl-prep-2026-test-practice/id6779985578/reviews)** |
| Number of ratings | **2.2K** | 13 |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 196 MB | 78 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rosetta Stone, Ltd.](https://appshunter.io/developer/349688821) | [Ha Quyen Ho Thi](https://appshunter.io/developer/1886076061) |

## What reviewers say

### Rosetta Stone Sapphire

[App page](https://appshunter.io/ios/app/rosetta-stone-sapphire/id6757200007)

Learn a new language through bite-sized, immersive lessons and real-world practice scenarios. Perfect your pronunciation with advanced speech recognition technology and explore over 25 languages. Customize your learning with flashcards and games.

**Highlights:** Bite-sized immersive lessons, Advanced speech recognition, Real-world practice scenarios, Access to 25+ languages, Customizable flashcards and games, Cross-platform access (mobile & web)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rosetta Stone Sapphire | $19.99 | per month |


### CDL Prep 2026

[App page](https://appshunter.io/ios/app/cdl-prep-2026-test-practice/id6779985578)

Prepare for your Commercial Driver's License (CDL) exam with realistic practice questions and mock tests. Study key topics and endorsements to build confidence for test day.

**Highlights:** Realistic practice questions, Mock exams, Topic drills, Clear answer explanations, Progress tracking, Save difficult questions

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

**In-app purchases:** none


## Frequently asked questions

### Is Rosetta Stone Sapphire free?

Rosetta Stone Sapphire is free to download, with in-app purchases available.

### Is CDL Prep 2026 free?

CDL Prep 2026 is free to download, with no in-app purchases.

### Which has better reviews, Rosetta Stone Sapphire or CDL Prep 2026?

CDL Prep 2026 is rated higher. Rosetta Stone Sapphire averages 4.6 out of 5 from 2.2K ratings, while CDL Prep 2026 averages 4.9 from 13 ratings.

### Do Rosetta Stone Sapphire or CDL Prep 2026 have ads?

Neither Rosetta Stone Sapphire nor CDL Prep 2026 shows ads.

### Which is updated more often, Rosetta Stone Sapphire or CDL Prep 2026?

Rosetta Stone Sapphire ships an update every 2 weeks, and CDL Prep 2026 monthly. Most recently, Rosetta Stone Sapphire was updated on October 31, 2026 and CDL Prep 2026 on October 24, 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.*