We make one of these, so here is where each one wins
We make Kilo Lingo, so weigh this accordingly - here is where each one wins. We have also recommended Babbel on this site more than any other paid app, in our Babbel review and elsewhere, which makes this an odd comparison to write: it is between something we built and something we would happily tell a friend to buy. We have not called a winner. The two are closer than most pairings on this site, and the right choice comes down to a handful of specific differences.
The short version. Both explain the grammar, which already puts them ahead of the apps that make you infer it. Babbel wins on live classes, speaking practice, polish, and the depth of its European courses. Kilo Lingo wins on the order vocabulary is taught in, on extended reading, on Mandarin and Esperanto, and on covering every language with one subscription.
At a glance
| Kilo Lingo (made by us) | Babbel | |
|---|---|---|
| Approach | Frequency-first: most useful words first | Situational: dialogues built around scenarios |
| Grammar | A plain-English article plus drills for each point | Explained inside the lessons, then drilled |
| Reading | Graded stories using only words already taught | Dialogues and short texts inside lessons |
| Review | Spaced review of the words you have learned | Spaced review of lesson vocabulary |
| Speaking | Thin, and we say so | Speech recognition, plus live classes (extra) |
| Live teachers | None | Babbel Live small-group classes |
| Languages | Includes Mandarin and Esperanto; some starters | European-focused; no Mandarin |
| Price structure | One subscription covers every language | One language as standard; all-language tiers cost more |
Approach: frequency against situations
Babbel builds its lessons around situations: ordering, booking, introducing yourself, small talk. The vocabulary arrives because the scenario needs it, and you practise it in dialogue you might plausibly have. It is a well-proven design, and it gives you usable phrases early.
Kilo Lingo builds around frequency. The first words you learn are the ones that turn up most often in real speech and writing, whatever the situation, and the first thousand or so carry an outsized share of what you will hear. We lay out the case in why the first 1,000 words matter. The trade-off is honest in both directions: Babbel gets you through a café sooner, and Kilo Lingo gets you understanding more of an unscripted conversation sooner. You can see the order for yourself in the Spanish curriculum.
Grammar: the same conviction, delivered differently
This is where the two agree, and it is why Babbel is our usual pick for adults leaving Duolingo. Both tell you the rule and then make you use it.
The difference is format. Babbel explains grammar in short notes inside a lesson, tied to the dialogue in front of you. Kilo Lingo gives each grammar point its own plain-English article, with worked examples and drills, and places it in the course where you need it. The articles are free to read without an account, so you can judge the style directly on the Spanish grammar pages. If you like a rule explained once, thoroughly, in a page you can come back to, you will probably prefer ours. If you prefer the explanation to stay small and close to the exercise, Babbel's is the better fit.
Reading
Babbel's reading lives mostly inside its dialogues and lesson texts, which are good but short. Extended reading is where we put the most effort. Kilo Lingo's graded stories are written only with words the course has already taught, so you can read a whole story without a dictionary. If your aim is to read books, articles or anything longer than a menu, this is our clearest advantage. The idea behind it is covered in what graded readers are.
Review
Both schedule review. Babbel brings lesson vocabulary back on a spaced schedule, and so do we, using the same principle described in our piece on spaced repetition. The difference is that our review runs over a frequency-ordered word bank with a page for every word, so you always know where a word sits and why you are learning it. Neither has an edge on the method itself.
Speaking and live classes: Babbel wins
This one is not close. Babbel has speech-recognition exercises from the first lessons and, as a separately priced tier, Babbel Live: small-group classes with real teachers. Kilo Lingo has no live classes, and speaking is the thinnest part of what we make. If a teacher in the room matters to you, Babbel Live, or a tutor on italki, is the answer, and we would rather say that than lose your trust.
Languages
Babbel is strongest in the European languages and its courses there are mature and well sequenced. It does not offer Mandarin, and our Babbel review is blunt about its weakness outside Europe.
Our courses vary a lot in depth. Spanish is our deepest by a distance, French, English, Esperanto and Mandarin are large courses, and German, Italian, Portuguese and Russian are short starter courses for now. So the split is clear: for Mandarin or Esperanto, Kilo Lingo; for German, Italian, Portuguese or Russian beyond the first steps, Babbel will take you further today. For Spanish and French, both are serious options and the choice comes down to approach.
Habit and motivation
Neither is a streak machine, and both treat you as an adult who will turn up without being guilted into it. Babbel keeps sessions short and regular. Kilo Lingo gives you a journey map that shows how far you have come through the course. If you need hard habit mechanics, neither is Duolingo, and our Babbel vs Duolingo comparison covers that trade.
Price structure
Babbel's standard subscription is for one language; Babbel Complete and the lifetime plan cover them all at a higher price, and it discounts often. Kilo Lingo works the other way: the word pages, grammar articles and graded stories are free to read without an account, and one Kilo Lingo Plus subscription covers the course in every language on the site. If you are learning two languages, or think you might, that difference adds up. The current Plus details are shown on this page rather than typed into the article, so they stay accurate.
Who should pick which
Pick Babbel if you want live classes with a teacher, more speaking practice from the start, a polished situational course, or depth in German, Italian, Portuguese or Russian.
Pick Kilo Lingo if you want vocabulary in the order you will actually need it, a lot of reading early on, a thorough article for every grammar point, Mandarin or Esperanto, or more than one language on a single subscription. You can read how we build the courses first.
Either way, the ceiling is the same one every course hits: somewhere around the intermediate stage, the thing that moves you on is speaking to a person who corrects you. Both of us are ways to arrive at that conversation with enough language to make it worth the money.