Lumi Kids
Comparison

Lumi Kids, Novakid, Cambly Kids and Duolingo ABC compared

Four different ways for children to learn English: a live AI voice tutor, two schools with live human tutors, and a self-paced reading app. Only what each provider states on its own pages, with a source for every fact.

Lumi Kids is our product. Novakid, Cambly and Duolingo are trademarks of their owners; we are not affiliated with them. We left out prices (they depend on country, plan and date), ratings and claims we could not check. If anything here is out of date, write to hello@lumikids.live and we will correct it.
Lumi KidsNovakidCambly KidsDuolingo ABC
TypeLive AI voice tutor: Lumi is an AI and says soLLive 1:1 lessons with a human teacher; plus an AI tutor for extra practice12Live 1:1 lessons with a human tutor5Self-paced learn-to-read app (phonics, sight words, handwriting); no live teacher12
Languages taught11, including English and GermanLEnglish; teaching is in English only1English5Reading and writing in English12
Ages4–12 in the browser; 4–9 in the iPhone/iPad appL4–1514–155Preschool to 2nd grade (store listings)1415
Lesson length15 or 30 minutes (browser)L25 minutes with the teacher, plus about 15 minutes of activities and games230 minutes65 minutes or less12
LevelsPre-A1 to A2 (4 levels)LCEFR Pre-A1 to B13CEFR A1 to C17Aligned to US grades K–212
TeachersLumi, an AI voice tutorLCertified teachers: “Standard” (non-native English speakers) and “Premium” (native speakers)2Native English-speaking tutors (the company’s statement)5None; the child plays and learns alone12
DevicesBrowser on a computer, tablet or phone with a microphone; iPhone and iPad app “Lumi Kids: Learn Languages” (App Store, from 5 October 2026)LThe website; a desktop or laptop is recommended, a smartphone is not1Browser on a computer (Chrome recommended); the app on phones and tablets8Apps for iOS and Android11
Price modelFirst lesson paid once, then weekly plans billed monthly or every 6 months; app: the first two levels free, then one-off minute packsLSubscriptions of 3, 6 or 12 months; prices vary by plan and region2Subscription (monthly, 3 months or yearly; cancel any time); prices vary by region6Free; no ads and no in-app purchases1113
Trying itThe first lesson is paid; in the app the first two levels are freeLFree 25-minute trial lesson, no card needed; 14-day money-back guarantee2A paid 30-minute trial lesson, one per family; free games, quizzes and workbooks after sign-up95Free11
Good to knowWe do not record or store the child’s voice; OpenAI, which runs the AI, may keep it up to 30 days to detect abuse; no adsLAfter each lesson parents get the teacher’s feedback and a video of the lesson1Certified by the kidSAFE Seal Program10Separate from the main Duolingo app13
CompanyAppFusion Labs, LLCLNovakid Inc.4Cambly Inc.5Duolingo, Inc.13
Best forChildren who should speak often, in short sessions, in one of 11 languages, with help in Turkish, German or English (16 languages in the app)Families who want a live human teacher 1:1 in English, with feedback and a video after each lessonFamilies who want live 1:1 English with tutors who are native speakers, up to advanced levelsYoung children learning to read in English, free and at their own pace

Whatever you choose: try it together with your child, check the price in your country and read the privacy policy.

Sources

Checked on 29 September 2026. L = Lumi Kids: our fact sheet

  1. www.novakidschool.com/
  2. www.novakidschool.com/prices/
  3. www.novakidschool.com/programs/
  4. www.novakidschool.com/legal/membership-terms/
  5. www.cambly.com/kids
  6. www.cambly.com/kids/plans
  7. www.cambly.com/kids/courses
  8. camblykids.zendesk.com/hc/en-us/articles/360051531551-Devices-and-browser-compatibility
  9. camblykids.zendesk.com/hc/en-us/articles/360031964972-What-is-a-trial-lesson-
  10. www.kidsafeseal.com/certifiedproducts/cambly.html
  11. abc.duolingo.com/
  12. abc.duolingo.com/how-we-teach
  13. www.duolingo.com/abc-privacy
  14. apps.apple.com/us/app/learn-to-read-duolingo-abc/id1440502568
  15. play.google.com/store/apps/details?id=com.duolingo.literacy

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Last updated: 2026-09-29 · hello@lumikids.live