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No. Every lesson can be played as a guest from the learning library. Progress and stars are only saved when a parent is signed in and a child profile is active.

Choose Sign in and use your OneVault ID. One OneVault ID works for Kidifly and every other OneVault app. If you do not have one yet, you can create it on the sign-in screen in about a minute.

After signing in, open Family and choose Add a child. Type a first name or nickname, pick a picture, a grade and a narration voice, and optionally a four-digit PIN. You can add up to three children.

Grade 2 maths, science and computing are ready today. Grades 1 and 3 to 5 are being built. A child set to another grade sees a friendly notice until their lessons arrive.

Children never have a password or email. A signed-in parent picks the child’s picture on the Who is playing screen, enters the PIN if one is set, and the child takes over from there. Kiki speaks every instruction, so no reading is needed.

It stops siblings playing as each other. It is optional, four digits, and you can change or remove it any time from the child’s Edit page.

Open Family, then Edit next to the child.

Open Family, Edit next to the child, then Remove this profile. The profile and all its progress are deleted immediately.

The same objective, three kinds of thinking. Easy shows a worked example with concrete objects. Medium asks the child to apply the idea on their own with varied examples. Hard changes the context, hides a step, or asks them to find and fix a mistake. No level sneaks in next year’s content.

Yes. Every lesson and every level is free. Kidifly Pro will add exam-style model papers, timed quizzes with instant marking, printable worksheets and progress reports.

Grade 2 lessons are mapped to the England National Curriculum Year 2 and Cambridge Primary Stage 2 objectives, the frameworks Pearson Edexcel iPrimary builds on. Each lesson shows its objective in plain words on the progress page.

That is the lesson working. The rocket only launches when the tank holds exactly the target amount. Kiki says how many more or fewer cells are needed. Tap a cell in the tank to take it out.

Yes. Drag a cell into the tank, or tap the cell and then tap an empty space. Both work with a mouse, a finger or the keyboard.

Each round gives three stars for a first-try success, two for a second try, and one for finishing. A level’s stars are the average of its rounds, and only the best result per level is kept, so replaying can never lower a score.

Open Family, then Progress next to the child. It lists every lesson with stars per level, number of plays and minutes played.

Progress is saved only when a parent is signed in and a child profile is active. If you played as a guest, nothing is stored. If the connection dropped at the end of a level, the result is sent again next time the lesson page loads.

Tap the speaker button at the top right of the lesson to turn the voice on. On some phones the first sound needs a tap anywhere in the lesson. If the device has no English voice installed, the words are still shown in Kiki’s bubble.

Open Family, then Edit next to the child and choose Sunny, Maya or Leo.

Tap the music note button at the top right of any lesson. The choice is remembered on that device.

Only the first name or nickname you typed, the avatar, grade and voice you chose, an optional hashed PIN, and lesson results. No surname, birth date, photo, location or recordings. The full list is in the privacy policy.

No ads, no advertising trackers, no selling or sharing of family data. Child-facing pages load nothing from third parties.

Everything is visible in your family area and on each child’s progress page. There is nothing stored that is not shown there, apart from standard server logs that are deleted after 30 days.

Open Family, scroll to Need help, open Delete my account and confirm. Your account, every child profile and all progress are removed immediately.

Kidifly uses your OneVault ID. If OneVault reports a problem with your password or email verification, fix it on the OneVault account page and try again. If the sign-in page says OneVault is unavailable, wait a minute and retry.

Model papers in the style of international primary examinations, timed quizzes marked instantly with Kiki explaining each mistake, printable worksheets, and a detailed progress report per child.

USD 9 per year for the whole family, up to three children. Payments are not open yet; every lesson stays free.

Check the connection and reload the page. Lessons are small and are kept on the device after the first load, so they also work on a slow connection afterwards.

Rotate the phone to portrait and make sure the browser is not zoomed in. Kidifly is designed for screens from 320 pixels wide.

Any current version of Chrome, Safari, Edge, Firefox or Samsung Internet on phones, tablets and computers. An Android app is coming next.