CH.01 · ReadNew
Day Day Up is an AI English reading app for iPhone and iPad. It writes stories at your level, and every new word is one tap away. Made for kids 6–15 — and grown-ups love it too.AI English reading for iPhone & iPad. For kids 6–15 — and grown-ups too.
Pip felt on the first snowy day, so she ran out to on the frozen pond. The cold wind made her , and then — achoo! Back home, a little dragon helped her cookies, tried to the bookshelf, and made a big in the sink. So Pip sat by the fire to it a scarf.
Works right in your browser · Phone or computer · 7 days of everything for new users
Search “Day Day Up: AI English Reading” · iPhone & iPad · 7 days of everything · No card required
New words on this page · 8
CH.02 · Act
Choose one of four pets to raise: dragon, fox, monster or phoenix. For action and feeling words — the ones that make more sense acted out — the picture stars your pet. Below is the same word with all four; in the app you only ever see your own, starting once it hatches after 3 days of study.
Pet illustrations are AI-assisted · in the app you only see the pet you raise
CH.03 · Library
Most words get one picture of the word itself — you know it at a glance. Action and feeling words are acted out by your own pet (750+ so far). New pictures go live every week, and these numbers update on their own.
AI-assisted illustrations
← Drag the shelf · 2,300+ of these pictures live · tapped words get highlighted →
CH.04 · For you
A short adaptive placement test finds your starting point (CEFR and Lexile). After that, your level is re-checked from the practice you actually finish — skipping practice never moves you down.
21genres
Example · CEFR scale, shown alongside a Lexile measure
Screenshot: the app’s English interface. Story titles also show a Chinese translation, and word cards are bilingual.
CH.05 · Listen
New: loop · shadowing
Seven natural voices read the whole story. The sentence being read lights up, and the current word is bolded and underlined; in dialogues, each character gets a different voice. Tap any word to pick up from there. Loop, shadowing mode, lock-screen playback and a sleep timer.
That night, the little dragon curled up beside Pip’s notebook. She read the story out loud, one word at a time, and the dragon listened with its eyes half closed. When she reached the last line, it gave a sleepy yawn — and asked her to read it all again.
Grammar
This demo is silent, but the highlight colors and pacing match the app’s Listen mode. Press and hold (or right-click, or press Enter on) any sentence for a translation and a grammar note.
CH.06 · Practice
Eight practice modules with partial credit. New words come back on the day you’re about to forget them, scheduled by the FSRS spaced-repetition algorithm — or pick a story and flip through all of its new words.
Read a sentence, get four scores
Sample scores
Back just before you forget
Read, then pick the answer
Why did Pip shiver?
See the word, pick the meaning
excited = ?
Tap the wrong word → pick the right form
She gogoes to school every day.
Complete the word
climb
Connect words that mean the same
Fill the gap from context
A little dragon helped her bake cookies.
Hear a line, type it out
on the frozen pond
Get part of it right, get partial credit.
CH.07 · Little touches
The app points these out once, the first time you need them. Start with the two gestures you’ll use on every page: tap, and press and hold.
Pip up at the and saw the by. She before the came.
Tap: look up the wordHold: explain the sentencerainShaded = already in your word list
Tap a word · look it up
lookv.
You tapped looked — past tense of look
/lʊk/FemaleMale
This is a phrase · look up to raise your eyes
+ Add to vocabulary
skyn.
/skaɪ/FemaleMale
+ Add to vocabulary
cloudn.
You tapped clouds — plural of cloud
/klaʊd/FemaleMale
+ Add to vocabulary
racev.
You tapped racing — the -ing form of race
/reɪs/FemaleMale
+ Add to vocabulary
runv.
You tapped ran — past tense of run
/rʌn/FemaleMale
+ Add to vocabulary
homeadv.
/hoʊm/FemaleMale
+ Add to vocabulary
rainn.
/reɪn/FemaleMale
✓ In your word book
Press and hold · explain the sentence
This sentence
Pip looked up at the sky and saw the clouds racing by.
Worth learning
Collocationlook up
to raise your eyes
It can also mean to find something in a dictionary.
Sentence patternsaw the clouds racing by
see + something + -ing: watch it while it’s happening
This sentence
She ran home before the rain came.
Worth learning
Idiomran home
went home quickly
Here “home” works like an adverb, so there’s no “to”.
Sentence patternbefore the rain came
before + a clause: earlier than something happens
Every underlined word can be tapped. Hold any word for about half a second to explain the whole sentence. On a computer you can also right-click; on a keyboard, Enter looks up a word and Shift + Enter explains the sentence. Definitions and notes are examples.
Tap “ran” and the card tells you it’s the past tense of “run”. Your word list saves “run”.
Tap “looked” in “looked up” and the card flags it as a phrase. One more tap explains the whole thing.
Tap a synonym on the card to look that up too, then step back one card at a time.
Examples always use the word itself, and never just repeat the sentence you were reading.
Save more than one meaning of “bat” — the stick and the animal — and each is marked in its own color.
Words in your list get shaded in every story you read after, so reading becomes review.
If a read-aloud recording comes back silent, you’re asked to try again — and it doesn’t count toward today’s limit.
Progress and the parents’ weekly report both turn into a clean poster with a QR code.
Set quiet hours for reminders. Dark mode follows your phone, so bedtime reading is easy on the eyes.
Switch the app’s language any time. By default it follows your phone.
CH.08 · Grow
Every story you read and every practice set you finish earns XP. XP, levels, streaks and badges make showing up something you can see.
01
Pick one when you sign up
02
Study 3 days in a row and it hatches
03
2,000 XP in total
04
6,000 XP in total
Once it hatches, it acts out the everyday words you look up.
CH.09 · Friends
Add classmates and friends with a friend invite code. See where everyone is at, send a quick cheer, or start a word duel.
Pick one of a few preset phrases — there’s nothing to type. Daily limits keep it from turning into spam.
Level, CEFR, streak and this week’s XP — one card shows where a friend is at.
You quiz each other on words you’ve each mastered, answering whenever you’re free. Even the loser earns XP — every duel is a review.
This week’s XP, ranked among friends only. No global leaderboard.
Send a story you liked and it lands in your friend’s library. Once you’ve both done the practice, compare scores.
Team up to finish a few stories together this week. When a friend unlocks a new badge, give it a like.
LimitsFriends by invite code only · No stranger search · No chat box · No online status · Remove, block or report anytime · Parents can see their child’s friends list
Names and numbers on the cards are samples.
CH.10 · Parents
Parent accounts are free. Link with the 6-digit code from your child’s app to see their dashboard and an AI-written report every Monday.
Screenshots are from the Chinese interface — the parent app is fully available in English, too.
Privacy PolicyChildren’s Privacy
Our legal pages are written in Chinese, and the Chinese text is authoritative.
Pick “Adult” at the start for topics like work and finance — every story pitched right at your level.
Sample story · Adult · Work
CEFR C1Lexile 1250L~4 min read
When a small design studio cut its week to four days, its managers expected chaos. Instead, deadlines were met and fewer people called in sick. But the experiment raised a harder question: who pays for the productivity that a shorter week seems to create, and is the gain shared fairly?
CH.11 · StartNew
After the placement test, new users get every feature free for 7 days. No subscription, no card, no charge — it simply returns to the free plan.
Always available
US$0
Everything
US$9.99 / month
US$99.99 / year save about 17%
Yearly works out to about US$8.33 a month · cancel anytime in Apple subscription settings
One subscription in a family unlocks the linked parent and child accounts too (up to 2 children per parent). Billed through Apple in-app purchase; local prices are set by the App Store.
New users get every feature free for 7 days after the placement test — no subscription, no card, no charge. When the 7 days end, it simply returns to the free plan, which is always available. Premium is US$9.99 a month or US$99.99 a year through Apple in-app purchase; local prices are set by the App Store.
Day Day Up runs on iPhone and iPad. An Android version is planned but not available yet.
It’s designed mainly for Chinese-speaking kids aged 6–15, and it works just as well for adults: choose “Adult” at the start for topics like work and finance. The app interface comes in Simplified Chinese, Traditional Chinese and English.
In mainland China, Hong Kong, Macau and the EU there’s nothing to download: just open day-day-up.app in your browser and tap “Log in / Sign up” (it takes you to app.day-day-up.app) to use the web app on your computer or phone. Your account works on the iPhone / iPad app too. If you already have an Apple ID from another region, you can also get the iPhone / iPad app by searching “Day Day Up: AI English Reading” on the App Store.
AI content is filtered by age — no violence, horror or adult content. Kids appear by nickname only. The app doesn’t ask for location or contacts access, and never browses your photos — it only uses the one picture you choose as an avatar, or a screenshot you attach to a report. There are no ads and we don’t sell data. Friends can only be added with an invite code; there’s no stranger search and no free chat.
Parents create a free, separate account and link it with the 6-digit code from the child’s app. The dashboard shows reading time, streaks, new / reviewed / mastered words, practice and read-aloud scores, and a 5-dimension skills radar. Every Monday there’s also an AI-written weekly report. The full dashboard, skills radar and full report text are Premium (all included in the 7-day full-access period for new users).
No. One subscription in a family unlocks the linked parent and child accounts too (up to 2 children per parent).
The illustrations are AI-assisted. 3,100+ common words have a picture so far: most get one picture of the word itself, and action and feeling words are acted out by your own pet (growing stage first). More are added all the time.
