Ball jump
Count out loud: each number said makes the ball hop one brick further along the bridge.
Count, name, repeat, sing or blow, and the game moves on. Hoplavox turns the voice into a game controller, so even children who cannot read yet can play and learn on their own.
For Android phones and tablets, iPhone and iPad

How it works
A warm recorded voice gives the instruction, like a grown-up sitting next to the child.
A number, a color, a note, a breath. The speech engine runs on the device and understands little voices.
The ball jumps, the rope pulls, the balloon grows. Every right answer makes something happen right away.
The games
Numbers, words, music, breath, the world, sounds of the language, logic. Each game has three stages and three levels, so it grows with the child.
Count out loud: each number said makes the ball hop one brick further along the bridge.
A little man walks and meets things along the way. The child names what he sees.
Each right answer pulls the ribbon. Alone against the frog, or two players on the same screen, each in turn.
Repeat the word after the frog. When it is an animal, its real cry answers back.
Sing the right note to open the door. The note counts in any octave, because children often sing higher.
Blow to inflate a balloon. Only a real breath counts, and no balloon ever pops.
A plane takes off from Bunia, in eastern DR Congo, and flies over a world map. Name the country, its continent, then its capital.
Say the word again in small pieces: each piece heard beats the drum.
The frog reads a sentence and stops before a word. The child finds the missing word.
Hold the phone upright and blow to help a little man cross the river on a log, without tipping over.
A row of colors, shapes or numbers, then a question mark. The child says what comes next.
Say the tile that slides into the hole, and put the board back in order.
Grows with the child
The stage offered first follows the age set by the parent. Each game has three levels per stage: level 1 is always open, and two stars open the next one.
Ages 3 to 5
Sounds and pictures, short words, tolerant listening.
Ages 5 to 7
Bigger numbers, new words, the first reasoning games.
Ages 7 to 10
Capitals, all seven notes, long patterns, the 4x4 puzzle.
Three stars from 80 % of answers right the first time, two from 50 %, one for every finished game. A child always leaves with at least one star.
Inside the app
Safety first
Hoplavox was designed so that a parent can hand over the phone without worrying. The protections are not settings to find: they are how the app is built.
Games, voices and speech recognition are all inside the app. On Android, the released app does not even ask for internet access.
The microphone listens only while a game waits for an answer. The sound is understood on the device, then forgotten.
Children are labels like "Child 3 · 4 years". No email, no photo, no location, no sign-up.
No advertising, no analytics, no third-party trackers. Nothing is ever sold or offered to the child.
Settings and the parent dashboard sit behind an adult check, away from little fingers.
No buzzer, no popping balloon, no timer pressure. A mistake gets a soft sound and an encouraging word.


For parents
The parent dashboard shows each child, each language, each game and each day: answers right the first time, response time, curves, and the items that are learned or still to practise.
Our promises to the child
After two misses, the frog gives the answer and the child repeats it. After a few silences, the game simply moves on.
For the youngest, the game accepts the fuzzy pronunciations of 3 to 5 year olds, with a list of variants for every word.
Tadpoles play only with sounds and pictures. Written hints in the bubble help older children and parents.
A game takes a few minutes. The screen sleeps on its own when the phone is forgotten, and the game pauses when the app is left.
Two languages
The frog speaks and listens in French or in English. The game language is separate from the app language: an English-speaking parent can keep the menus in English while the child plays in French, and the reverse.
Questions
No. The sound is understood on the device, in real time, and is never written to a file, kept or sent anywhere. Only the result is saved for the parent dashboard: the expected answer and the words the engine understood, as text.
No. Games, voices and speech recognition are all inside the app. On Android, the released app does not even ask for internet access. You only need a connection to download it from the store.
From 3 to 10 years old, in three stages: Tadpole from 3 to 5, Froglet from 5 to 7 and Frog from 7 to 10. The stage offered first follows the age you set, and your child can pick another one on the game map.
No. Tadpoles play only with sounds and pictures: the frog gives every instruction out loud. Short written hints appear in the frog's bubble for older children and for the parent, but they are never needed to play.
The price is always shown on the store page before you download. Whatever it is, Hoplavox has no ads, and no purchase is ever offered to the child inside the games. Payments and refunds go through Google Play or the App Store, under their own rules.
Check that the microphone permission is allowed in the device settings, that nothing covers the microphone, and that the child speaks close enough to the device in a calm room. Make sure the game language matches the language your child speaks. If a specific word keeps failing, write to us with the game and the word: we improve the recognition from real cases.
Download Hoplavox on the phone or tablet your child uses. Everything works offline once installed.
For Android phones and tablets, iPhone and iPad
Or scan this code with your phone