Mondly vs MosaLingua: which to choose, and what each costs
Prices checked 12 Oct 2026; Mondly's on 6 Sept 2026 · How we check
Mondly if you want a course with lessons in order.
MosaLingua if you want to build vocabulary a few minutes a day.
| Question | Mondly | MosaLingua |
|---|---|---|
| A year costs | $47.99 a year for one language, or $9.99 month to month | $71.88 a year for all 11 languages, or $9.99 month to month |
| A lesson is | Short daily lessons with pictures and audio, plus a chatbot you can talk to. | 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 | Free version with Daily Lessons, the Hello category and a chatbot lesson. | 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 33,226 ratings | 4.6 out of 5 from 1,839 ratings |
| Google Play rating, 11 Oct 2026 and 12 Oct 2026 | 4.5 out of 5 from 927,579 ratings | 3.9 out of 5 from 10,662 ratings |
How a lesson works in each
Mondly: course app
MosaLingua: vocabulary app
Side by side
| Compare | Mondly | MosaLingua |
|---|---|---|
| CEFR levels | A1 to B2 (by course) | — |
| A year costs | $47.99 a year for one language, or $9.99 month to month | $71.88 a year for all 11 languages, or $9.99 month to month |
| What it is | Course app: Short daily lessons across many languages, with a chatbot | Vocabulary and flashcards: Flashcards of the most useful words and phrases, reviewed on a spaced-repetition schedule |
| Per month at annual billing | $4/mo ($47.99 a year) | $5.99/mo ($71.88 a year) |
| Monthly plan | $9.99 for one language, $15.90 for all its languages | $9.99 |
| Lifetime plan | No lifetime plan | No lifetime plan |
| Free tier | Free version with Daily Lessons, the Hello category and a chatbot lesson. | Free download and a free trial; the full set of features needs a Premium subscription. |
| Languages offered | 41 | 11 |
| Speech recognition | — | — |
| Live tutoring | — | — |
| Offline mode | — | Yes |
| Placement test | — | — |
| Refund or trial | 7-day free trial | 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 | Mondly by Pearson (ATi Studios A.P.P.S. SRL), Romania | MosaLingua (digiSchool Group), France |
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Mondly
Course app
In our comparison: strongest on the number of languages and price, weakest on speaking practice.
$47.99 a year $4 a month, billed yearly · PremiumMonthly plans: $9.99 for one language, $15.90 for all its languages
Short daily lessons across many languages, with a chatbot. A free account with limits.
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.
Mondly 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
Mondly
Mondly is a course app: short daily lessons with pictures and audio, plus a chatbot you can talk to.
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 the smaller yearly bill
Mondly
A year of Mondly costs $47.99 for one language; a year of MosaLingua, $71.88 for all 11 languages.
You want to learn without paying
Mondly
Mondly 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.
Where they really differ
- Price: Mondly: $47.99 a year for one language, or $9.99 month to month. MosaLingua: $71.88 a year for all 11 languages, or $9.99 month to month.
- A lesson: Mondly: Short daily lessons with pictures and audio, plus a chatbot you can talk to. 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.
- Levels: Mondly states a CEFR range for each course, up to B2. MosaLingua doesn't state CEFR levels.
- Offline: Mondly doesn't say whether it works offline. MosaLingua works offline.
- Trying it: Mondly: Free version with Daily Lessons, the Hello category and a chatbot lesson. MosaLingua: A free trial, then a 30-day money-back guarantee on website and Android purchases (not App Store ones).
Plans and prices
Mondly
| Plan | Billing | Price | Per month | Covers |
|---|---|---|---|---|
| Premium yearlyPremiumA "starts at" price; Mondly doesn't say how many languages it covers. | Annual | $47.99 | $4/mo | one language |
| Unlimited Access - 12 Months (iOS in-app purchase)PremiumApple's US App Store price. | Annual | $74.90 | $6.24/mo | all languages |
| Premium monthlyPremiumA "starts at" price from Mondly's Android subscriptions page. | Monthly | $9.99 | $9.99/mo | one language |
| Unlimited Access - Monthly (iOS in-app purchase)PremiumApple's US App Store price, which differs from Mondly's Android prices. | Monthly | $15.90 | $15.90/mo | 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 Mondly cost you for the months you study?
Total billed over 12 months
$71.89 less on annual billingOne yearly payment of $47.99.
What each plan covers. Monthly: one language. Yearly: one language.
Questions people ask
Is Mondly better than MosaLingua?
Neither is better for every learner. Choose Mondly if you want a course with lessons in order, the smaller yearly bill, a free account to learn on, a course that states its CEFR levels and more languages to choose from. Choose MosaLingua if you want to build vocabulary a few minutes a day and a trial or money back. In our comparison, Mondly is strongest on the number of languages and price, weakest on speaking practice, and MosaLingua strongest on price and trial and refund terms, weakest on speaking practice.
Which is cheaper, Mondly or MosaLingua?
Mondly costs less by the year: $47.99 for one language, where a year of MosaLingua is $71.88 for all 11 languages. Month to month, and with any lifetime plan, the plans tables above give both.
Do Mondly and MosaLingua teach the same languages?
Mondly lists 41 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.
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