- Best for
- Immersion-style learners who want a structured course in one of 25 languages
- Price
- Paid · from $19.99
Free: Trial lesson - Platforms
- iOS, Android
- Made by
- Rosetta Stone (IXL Learning) · since 1992
- App store ratings
- iOS 4.6★ (1.9K) · Android 4.6★ (860)
What it is
Sapphire, launched in August 2026, rebuilds Rosetta Stone around its immersion method and TruAccent speech recognition. It adds Chat Missions for everyday conversation practice, real-time feedback on grammar, spelling and phrasing, Sapphire Studio for custom activities, and 500+ flashcard sets per language across 25 languages.
Latest: Rosetta Stone launched the Sapphire app in August 2026.
What the AI does
- Chat Missions conversation practice
- Real-time grammar, spelling and phrasing feedback
- TruAccent speech recognition
- Sapphire Studio custom activities on any topic
Pros and cons
- 25 languages with a proven immersion method
- TruAccent pronunciation checking
- Modern redesign with conversation practice
- Very new, with few ratings or independent reviews yet
- Pricing is unclear
- Immersion without translation can frustrate some learners
How it scores
Learning quality6.5
Ease of use7.5
Features7
Value for money6
Platforms7
Promising relaunch of a big name, capped on quality until independent reviews arrive.
Feature checklist · 5 of 9
- –Spoken, back-and-forth conversation with an AI tutor (no)
- ✓Real-life roleplay or scenario practice (yes)
- ✓Pronunciation scoring or feedback (yes)
- ✓Corrects and explains grammar or word-choice mistakes (yes)
- ✓Structured course path by level (yes)
- –Spaced-repetition vocabulary review (no)
- ✓Teaches 20+ languages (yes)
- –Some AI conversation practice on the free plan (no)
- –Works on the web as well as phones (no)
How we score apps →
Alternatives
See all Rosetta Stone Sapphire alternatives, ranked →
- Duolingo 8.6/10Beginners and casual learners who want a free daily habit, with optional AI speaking practice
- Speak 7.9/10Learners whose main goal is speaking confidently in a major language
- Babbel 7.7/10Learners who want a structured, grammar-aware course with some AI speaking practice
- Busuu 7.6/10Learners who want a structured, level-based course with feedback from native speakers
Duolingo vs Rosetta Stone Sapphire
Sources