Babbel Russian vs Duolingo English Test
Same Bayesian formula, same rubric — so the difference in scores reflects the difference in the courses, not the difference in how we evaluated them.
Babbel · Languages
Babbel Russian
Duolingo · Languages
Duolingo English Test
Per-criterion
Russian is one of Babbel's harder, less-resourced languages. The course handles the absolute-beginner phase well — gradual Cyrillic onboarding, an in-lesson Russian keyboard, and grammar woven into short dialogues — but reviewers who finished the whole tree report that explanations thin out after the first units and the later course leans heavily on single-word vocabulary drills. The notoriously complex Russian case system and perfective/imperfective verb aspect are introduced but not fully taught, so depth past A2 is the recurring weakness.
No live teacher — the "instructor" is Babbel's method. For Russian the short, direct grammar tips are valued precisely because the grammar is intimidating, and a native-speaker reviewer confirmed the app breaks difficult structures down without overwhelming beginners. The same method offers no one-on-one correction, and the deeper Slavic grammar that a human tutor would unpack is left underexplained.
Subscription runs roughly $8-18/month depending on plan length, cheaper on annual or lifetime commitments, with no permanent free tier beyond a single trial lesson per course. For Russian specifically the value question is sharper than for Spanish or Italian — the course is shallower, so learners pay a similar price for less total content and will likely need other resources to progress past the beginner stage.
The 10-15 minute lesson format keeps daily Russian practice sustainable, which matters more for a hard language where motivation tends to flag early. Varied drills — reading, listening, fill-in-the-blank, dialogues — keep sessions from feeling like rote memorisation in the early units. Once the course shifts to vocabulary-only drills later on, several reviewers found engagement dropped.
Email-only customer support with no live chat or phone line. The Russian course is maintained and works reliably across platforms, and the in-lesson Cyrillic keyboard removes a real setup friction for beginners. There is no in-app community or live tutoring, so learners who need conversation practice or grammar help must add italki or Preply as a separate tool.
Builds practical survival Russian — greetings, directions, everyday phrases — and a solid reading foundation in Cyrillic to roughly A2. A native-speaker reviewer cautioned that the app alone leaves learners sounding "a bit stiff" with real speakers, and speaking recognition is decent rather than best-in-class. Good groundwork for travel and reading; not a path to conversational fluency on its own.
Adaptive difficulty and integrated skill design are genuine strengths. Weakened by the absence of a formal essay (only a 5-minute writing sample), opinion-based speaking prompts, and a perceived lack of academic rigour versus IELTS and TOEFL among experienced practitioners.
No published answer keys, rubrics, or section-level guidance — the weakest methodology dimension. Some test-takers receive a score range spanning three CEFR levels rather than a single number, making preparation harder than for IELTS or TOEFL.
$65 per attempt with unlimited free score sends versus $220-plus for IELTS. 48-hour results and no test-centre booking add further convenience. The primary reason test-takers choose the DET over alternatives.
At-home, on-demand testing removes scheduling friction and supports repeated attempts. Three-tier human review provides oversight. Weakened by documented AI false-flag incidents and a 72-hour appeal window that can frustrate test-takers.
6,000-plus programs in 110-plus countries accept it, including 98 of the US News Top 100 universities and all Ivy League schools. IELTS is accepted by 12,500-plus organisations — more than double. UK/Australian visa routes and professional bodies don't yet accept at-home tests.
Scoring methodology applies identically to every course on the site — see the formula.