# LKIN: Learn Words, Unlock Apps — Screen time lock, 22 languages

> Screen time lock, 22 languages (iPhone/iPad app by Gamifytech Solutions Private Limited.)

- Source: https://appshunter.io/ios/app/lkin-learn-words-unlock-apps/id6791769564 (this page in markdown: same URL + `.md`)
- Developer: [Gamifytech Solutions Private Limited](https://appshunter.io/developer/1759271569)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 45 MB
- Languages: American English
- Released: 2026-08-27
- Data updated: 2026-09-29

## What is LKIN?

Your apps cost three words.

Put the ones that eat your day behind Apple's Screen Time and you get a shield, not a feed. Clear a thirty-second session and every lock lifts at once, for as long as you chose. All 22 languages are free, 11 of them Indian.

THE THIRTY SECONDS YOU TRADE
A card opens with an illustration, a word and its phonetics, read aloud. The meaning sits blurred until you tap it.

Then you give it back. A word or phrase becomes a four-option quiz. A sentence comes back as its own words, shuffled into tiles, for you to put in order. Answer wrong and only the broken tail returns; the part you had right stays put. Two or more words end on a match board, then a usage card each.

Three words is ten cards. Set it to one, or to twenty-five.

AI CALL ASSISTANT
Practice what you learn by having a conversation on call with our highly trained ai assistant.

22 LANGUAGES, NONE OF THEM PAID
English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Arabic, Hindi, Bengali, Telugu, Marathi, Tamil, Gujarati, Kannada, Malayalam, Punjabi, Odia and Urdu.

Every language carries the same 141 items: 71 words, 29 phrases and 41 sentences across 12 units, each with a worked example sentence and its translation. 147 hand-drawn illustrations in a retro 1980s Tokyo anime style, with a cast you start to recognise. A script section covers 22 writing systems and 868 letters, each with romanisation, a pronunciation hint and a speaker.

12 stages sit in three levels, Beginner to Expert. Each opens when you pass its 10-question test at 80%.

A LOCK THAT HOLDS
Real Screen Time enforcement. No "open anyway", no snooze, no five more minutes on the shield.
Lock single apps, whole categories and websites. Three of them on the free tier, unlimited with Pro.
One session unlocks everything. There is no per-app deal to make.
Pick the window: 15 or 30 minutes, an hour, the rest of the day, or a custom 5 to 1440.
Face ID or Touch ID guards six actions, including editing the locked list.
An optional schedule turns locking on and off by the hour, overnight included. It is off by default, which means locks are always on.
A Live Activity counts it down on the Lock Screen and in the Dynamic Island.

WORDS THAT COME BACK
SM-2 spaced repetition returns a word after roughly 1, 2, 6, 14 and 35 days. Only a first-try answer counts.

20 WIDGETS
Nine are playable without opening the app: flip a card, answer a quiz, match a pair, save a word. Eleven show the illustrations, three fit the Lock Screen. Words rotate hourly by default, or from every 15 minutes to once a day.

WHAT COSTS NOTHING
The whole lock mechanic. All 22 languages and all 141 items in each. All 12 stages, opened by passing the tests. Every unlock window, every session size, every widget, the Live Activity. No daily limit, no hearts, no energy.

LKIN PRO
US$39.99 per year with a 7-day free trial, or US$1.99 per week. Pro adds unlimited locked apps, categories and sites; strict mode, which freezes the lock list and blocks the 24-hour break; jumping to any stage without sitting the test; practising from the whole pack, not only the stages you opened; two streak freezes a month; instant answer reveals with no ad; no ads; and 11 alternate icons. The free tier carries two small banners and one optional rewarded ad, no interstitials.

PRIVACY
Your locked-app choices never leave the phone. Screen Time hands the app opaque tokens, so it cannot read an app's name and never uploads one. The weekly usage report is drawn inside Apple's sandbox; the app never receives it. LKIN never asks for tracking permission and never gets the advertising identifier. Sign in with Apple is optional, and account deletion is in the app.

iPhone, iOS 26 or later.

Terms of Use (EULA): https://lkin-app.vercel.app/terms
Privacy Policy: https://lkin-app.vercel.app/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Yearly | $39.99 | per year |
| Yearly — 90% Off | $3.99 | per year |


## Is LKIN safe?

Not enough ratings yet to assess LKIN.

## Is LKIN legit?

LKIN: Learn Words, Unlock Apps appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for LKIN is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.2 — 2026-09-14

AI call assistant feature added with bug fixes.

### 1.1 — 2026-09-10

Version 1.1. The price of your apps is still three words, but there is a lot more behind them now.

SENTENCES COME BACK AS THEIR OWN WORDS
Every solve card used to be a four-option quiz. Now, when the item is a full sentence, the sentence returns broken into its own words and shuffled, and you put it back in order, tile by tile. Short ones get a few decoy tiles so it is never a giveaway. Answer wrong and only the broken tail comes back; whatever you had right stays where you left it. It works in Japanese and Chinese too, which have no spaces to cut on, because the tiles are cut with a real word tokenizer rather than at the blanks.

22 LANGUAGES, AND EVERY ONE OF THEM IS FREE
Nothing here is behind Pro. English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean and Arabic, plus eleven Indian languages: Hindi, Bengali, Telugu, Marathi, Tamil, Gujarati, Kannada, Malayalam, Punjabi, Odia and Urdu.

Each one is both the language you speak and the one you learn, so there are 462 pairs. Meanings, quiz options and example translations now render in your own language: learning Japanese from Tamil no longer detours through English. (The app's own interface is still English.)

Every language carries the same 141 items, and every item now has a worked example sentence with its own translation, with nothing left blank. There is also a script section covering 22 writing systems and 868 letters, each with romanisation, a pronunciation hint and a speaker.

20 WIDGETS AND 2 LIVE ACTIVITIES
Nine of them are playable on the Home Screen without opening the app: flip a card, answer a quiz, match a pair, save a word. Eleven show the illustrations. Three sit on the Lock Screen. The word on them rotates hourly by default, and you can set that anywhere from every 15 minutes to once a day. The unlock countdown runs as a Live Activity on the Lock Screen and in the Dynamic Island.

A REBUILT SUBSCRIPTION PAGE
The Pro page now leads with the price, in plain type before anything else: US$39.99 a year with a 7-day free trial, or US$1.99 a week. What Pro actually adds is listed with it, and what stays free is no longer buried: the lock itself, all 22 languages, all 141 items in each, all 12 stages, every unlock window and session size, every widget.

ALSO IN THIS VERSION
Custom unlock windows from 5 to 1440 minutes, alongside 15 minutes, 30 minutes, an hour and the rest of the day.
Sessions from 1 to 25 words, free for everyone.
Face ID or Touch ID on six actions, including editing the locked list.
An optional schedule that turns locking on and off by the hour, overnight included.
11 alternate app icons with Pro.
A long list of small fixes throughout.

Thank you for the reviews and the bug reports. They decide what gets built next.

### 1.0 — 2026-08-28

No release notes.

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All apps by Gamifytech Solutions Private Limited: https://appshunter.io/developer/1759271569

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-29.*