Busuu vs MosaLingua: which to choose, and what each costs
Prices checked 12 Oct 2026; Busuu's on 6 Oct 2026 · How we check
Busuu if you want a course with lessons in order.
MosaLingua if you want to build vocabulary a few minutes a day.
| Question | Busuu | MosaLingua |
|---|---|---|
| A year costs | $72.99 a year for all 14 languages | $71.88 a year for all 11 languages, or $9.99 month to month |
| A lesson is | Short lessons with dialogues, grammar tips and exercises; you can send spoken or written answers for the community, native speakers included, to correct. | Flashcards of everyday words and phrases with audio: recall each one, rate yourself, and MosaLingua schedules the next review; dialogues and listening practice sit alongside. |
| Try it | A free account, then a 14-day money-back guarantee on your first Premium payment. | A free trial, then a 30-day money-back guarantee on website and Android purchases (not App Store ones). |
| App Store rating, 10 Oct 2026 and 12 Oct 2026 | 4.7 out of 5 from 101,167 ratings | 4.6 out of 5 from 1,839 ratings |
| Google Play rating, 12 Oct 2026 | 4.7 out of 5 from 1.2 million ratings | 3.9 out of 5 from 10,662 ratings |
How a lesson works in each
Busuu: course app
MosaLingua: vocabulary app
Side by side
| Compare | Busuu | MosaLingua |
|---|---|---|
| CEFR levels | A1 to C1 (by course) | — |
| A year costs | $72.99 a year for all 14 languages | $71.88 a year for all 11 languages, or $9.99 month to month |
| What it is | Course app: corrections from native speakers and CEFR-labelled levels | Vocabulary and flashcards: Flashcards of the most useful words and phrases, reviewed on a spaced-repetition schedule |
| Per month at annual billing | $6.08/mo ($72.99 a year) | $5.99/mo ($71.88 a year) |
| Monthly plan | — | $9.99 |
| Lifetime plan | No lifetime plan | No lifetime plan |
| Free tier | Free account with the complete course in each language, community feedback and basic progress tracking; Premium adds review tools, offline mode and no ads. | Free download and a free trial; the full set of features needs a Premium subscription. |
| Languages offered | 14 | 11 |
| Speech recognition | Yes | — |
| Live tutoring | No · Live Lessons are exclusive to Busuu for Business, outside the consumer subscription | — |
| Offline mode | Yes | Yes |
| Placement test | Yes · Dutch, English, French, German, Italian, Japanese, Portuguese and Spanish | — |
| Refund or trial | 14-day money-back guarantee on the initial Premium payment; no renewal refunds. Apple and mobile-operator purchases require a refund from that provider. | A free trial first, then a 30-day money-back guarantee on website and Android purchases; not on App Store purchases. |
| Platforms | iOS, Android, Web | iOS, Android, Web |
| Company | Busuu Limited, United Kingdom | MosaLingua (digiSchool Group), France |
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Busuu
Course app
In our comparison: strongest on teaching depth and price, weakest on the number of languages.
$72.99 a year $6.08 a month, billed yearly · Premium
A structured course gives you a path through lessons, with corrections from native speakers. You can start with a free account before deciding whether the paid extras are useful.
MosaLingua
Vocabulary and flashcards
In our comparison: strongest on price and trial and refund terms, weakest on speaking practice.
$71.88 a year $5.99 a month, billed yearly · MosaLingua Premium$9.99 on the monthly plan
Flashcards of the most useful words and phrases, reviewed on a spaced-repetition schedule. A 30-day money-back guarantee.
Busuu is a course app and MosaLingua is a vocabulary app. Both teach French, Spanish, Chinese, German and 7 more languages.
Which to choose
You want a course with lessons in order
Busuu
Busuu is a course app: short lessons with dialogues, grammar tips and exercises; you can send spoken or written answers for the community, native speakers included, to correct.
You want to build vocabulary a few minutes a day
MosaLingua
MosaLingua is a vocabulary app: flashcards of everyday words and phrases with audio: recall each one, rate yourself, and MosaLingua schedules the next review; dialogues and listening practice sit alongside.
You want to learn without paying
Busuu
Busuu has a free account with limits; MosaLingua has a free trial, not a free plan. What each free route includes is in the table above.
You want to practise speaking
Busuu
Busuu: Speech recognition scores how you say words. MosaLingua: Its pages don't say whether it listens to you speak.
Where they really differ
- Price: Busuu: $72.99 a year for all 14 languages. MosaLingua: $71.88 a year for all 11 languages, or $9.99 month to month.
- A lesson: Busuu: Short lessons with dialogues, grammar tips and exercises; you can send spoken or written answers for the community, native speakers included, to correct. MosaLingua: Flashcards of everyday words and phrases with audio: recall each one, rate yourself, and MosaLingua schedules the next review; dialogues and listening practice sit alongside.
- A real person: Busuu has no live tutors. MosaLingua doesn't mention live tutors.
- Levels: Busuu states a CEFR range for each course, up to C1. MosaLingua doesn't state CEFR levels.
- Speaking: Busuu listens to you speak. MosaLingua doesn't say whether it listens to you speak.
- Trying it: Busuu: A free account, then a 14-day money-back guarantee on your first Premium payment. MosaLingua: A free trial, then a 30-day money-back guarantee on website and Android purchases (not App Store ones).
- Both: Work offline.
Plans and prices
Busuu
| Plan | Billing | Price | Per month | Covers |
|---|---|---|---|---|
| Premium, 12 monthsPremiumA sale price; the crossed-out $149.88 is twelve months at the monthly rate. | Annual | $72.99 | $6.08/mo | all languages |
| Premium Plus, 12 monthsPremium PlusA sale price, against a crossed-out $178.80. Adds AI conversations, pronunciation practice and extra content to Premium. | Annual | $87.90 | $7.33/mo | all languages |
| 1 monthPremiumBusuu's site doesn't show its monthly price. Apple's US App Store lists a "Monthly Premium Plan" at $23.49. | Monthly | — | — | all languages |
MosaLingua
| Plan | Billing | Price | Per month | Covers |
|---|---|---|---|---|
| MosaLingua Premium yearlyPremiumSold on MosaLingua's website; $5.99 a month. Includes 600 minutes of MosaChat-AI conversation. | Annual | $71.88 | $5.99/mo | all languages |
| MosaLingua Premium monthlyPremiumSold through the app stores; includes 600 minutes of MosaChat-AI conversation. | Monthly | $9.99 | $9.99/mo | all languages |
What will MosaLingua cost you for the months you study?
Total billed over 12 months
$48.00 less on annual billingOne yearly payment of $71.88.
What each plan covers. Monthly: all languages. Yearly: all languages.
Questions people ask
Is Busuu better than MosaLingua?
Neither is better for every learner. Choose Busuu if you want a course with lessons in order, a free account to learn on, more speaking practice and a course that states its CEFR levels. Choose MosaLingua if you want to build vocabulary a few minutes a day. In our comparison, Busuu is strongest on teaching depth and price, weakest on the number of languages, and MosaLingua strongest on price and trial and refund terms, weakest on speaking practice.
Which is cheaper, Busuu or MosaLingua?
MosaLingua costs less by the year: $71.88 for all 11 languages, where a year of Busuu is $72.99 for all 14 languages. Month to month, and with any lifetime plan, the plans tables above give both.
Do Busuu and MosaLingua teach the same languages?
Busuu lists 14 languages and MosaLingua 11, each counting varieties its own way; 11 languages are taught by both. Each app's page here lists its languages, with a page for each language two or more apps teach.