Comparison

락키보드 vs SMART LOTTO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

락키보드

Features
Read full description

Lockey (Password-generated keyboard) This is a keyboard customized for iOS. Instant keyboard and encryption function are added to the regular keyboard that you can use all the time. Security has been enhanced for the transmission of plain text and images. 1. Supports various Korean keyboards.  -QWERTY, assorted, Cheonjiin, Narrat, Vega keyboard support.  -Korean, English, and special symbols are supported.  -Long click special symbol input function.  -The keyboard in landscape mode is extended to suit the situation. 2. You can select the keyboard touch effect and theme.  -When you touch, you can select the balloon effect or the over effect.  -Keyboard color theme selection  -Select key size (in preparation) 3. You can switch between Korean and English keyboards by swiping the keyboard left or right. 4. Instant web search with the entered string  -After inputting the string you want to search, press the search button to instantly view the web search results with the built-in browser.  -You can easily get various search results through Google, Naver, Daum, and YouTube.  -The searched site address is immediately delivered to the app in use through the share button.  -Full browser functionality. 5. Encryption function  -Encrypted text can be encrypted using the AES encryption technology-based encryption method.  -Compatible with passwords of other platform users' lockkey users.  -Special password can be diversified through private key.  -By using Link Plus, passwords can be transmitted with links.  -You can encrypt and send the album image or the captured image. 6. Product and Glossary  -Super Pack: A product that provides the function to encrypt the long text, image, and link plus functions  -Ultra Pack: Private key setting function + Super Pack  -Link Plus: Lists the latest contents of over 50 selected blogs and provides them as links  -Private key: A function that allows the user to directly specify the key value used when encrypting text to separate the encryption / decryption user environment. Encrypted sentences are normally decrypted only if the same private key is set. * In-app purchase products (Super Pack, Ultra Pack) retain their functions for one year from the date of purchase.

About

SMART LOTTO

This app helps you generate and manage lottery numbers. It offers advanced customization options for number selection, saving your preferences, and provides lottery-related information like prize predictions and winning store locations. It aims to enhance your lottery playing experience.

Highlights
  • Customizable number generation with conditions
  • Save and reuse number selection criteria
  • Lottery number prediction based on statistics
  • Prize amount prediction
  • Winning store location information
  • Share generated numbers on social media
Features
Read full description

로또 번호, 이제 데이터로 고르세요. SMART LOTTO는 역대 로또 당첨 번호를 분석하고, 조건에 맞는 번호를 스마트하게 생성해주는 로또 도우미 앱입니다. ------------------------------------------- @ 당첨 번호 통계 분석 ------------------------------------------- • 번호별 출현 빈도 · 최근 미출현 번호 확인 • 홀짝 비율 · 구간 분포 · 연속 번호 패턴 분석 • 합계 분포 · 끝수 트렌드 시각화 • 최신 회차부터 전체 회차까지 기간별 통계 조회 ------------------------------------------- @ 조건 기반 번호 생성 ------------------------------------------- • 홀수/짝수 비율, 번호 합계 범위 직접 설정 • 포함할 번호 · 제외할 번호 지정 • 한 번에 최대 5게임 자동 생성 • 생성된 번호 카카오톡 · SNS 공유 ------------------------------------------- @ 로또 명당 판매점 찾기 ------------------------------------------- • 전국 1등 당첨 판매점 위치 지도 표시 • 내 주변 명당 판매점 검색 • 매주 자동 업데이트 ------------------------------------------- @ 내 번호 관리 ------------------------------------------- • 생성한 번호 저장 및 즐겨찾기 • 다음 회차 추첨일 자동 표시 • 다크 모드 지원 ------------------------------------------- SMART LOTTO는 무료로 제공됩니다. 별도 회원가입 없이 바로 사용하세요. ※ 본 앱은 로또 복권 구매를 권장하거나 당첨을 보장하지 않습니다. 로또는 합법적 사행 활동이며, 과도한 구매는 재산상 손실을 초래할 수 있습니다.

Screenshots

락키보드4 screens
SMART LOTTO4 screens

Verdict

The call

The clearest difference is ads: 락키보드 at none against SMART LOTTO's shown. SMART LOTTO's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 락키보드 sells 2 one-off in-app purchases and SMART LOTTO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

락키보드 ships an update every 9 days, SMART LOTTO every 2 weeks. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
락키보드 versus SMART LOTTO: the parameters behind the verdict, then further details
Parameter락키보드SMART LOTTO
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size24 MB66 MB
Age rating4+4+
DeveloperUI CHAN HONGSunHyeob Kim

In-app purchases

2 purchases

락키보드

One-time2
  • SuperPack(Text+Image+LinkPlus)$0.99
  • Ultra Pack (Super+Private key)$8.99
1 purchases

SMART LOTTO

One-time1
  • 배너 광고 제거$0.99

Questions

Is 락키보드 free?
락키보드 is free to download, with in-app purchases available.
Is SMART LOTTO free?
SMART LOTTO is free to download, with in-app purchases available.
Do 락키보드 or SMART LOTTO have ads?
SMART LOTTO shows ads; 락키보드 does not.
Which is updated more often, 락키보드 or SMART LOTTO?
락키보드 ships an update every 9 days, and SMART LOTTO every 2 weeks. Most recently, 락키보드 was updated on October 29, 2026 and SMART LOTTO on October 12, 2026.

Other comparisons