Comparison

RANDOMI vs K

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

Head to head
About

RANDOMI

This tool helps you make random selections from custom lists or generate random numbers within a set range. It offers dynamic item mixing, history tracking, and easy list management. Customize your experience with various color themes and enjoy landscape mode support.

Highlights
  • Dynamic item mixing
  • History of selections
  • List creation, deletion, editing
  • Stores up to 10,000 items
  • Random number generation
  • Multiple color themes
  • Landscape mode support
Features
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- Dynamic item mixing - Landscape mode support - Various color themes - You can view the history of selected items - Easy creation, deletion and editing of item lists - Normal mode, which can store up to 10,000 items, and random number generation mode, which randomly extracts numbers within a specific range

About

K

Analyze your skin with just a selfie. This app identifies your skin type and concerns using AI, then recommends personalized cosmetics. It filters out ingredients that may cause irritation and connects you to official retailers.

Highlights
  • AI skin analysis from selfies
  • Personalized cosmetic recommendations
  • Excludes irritating ingredients
  • Links to official retailers
  • Privacy-focused photo handling
Features
Read full description

셀카 한 장으로 시작하는 나만의 피부 분석, K-Beauty Lab 거울만으로는 알기 어려운 내 피부 상태, 이제 AI로 확인해보세요. K-Beauty Lab은 셀카 한 장을 분석해 피부 타입과 주요 고민을 파악하고, 나에게 맞는 화장품을 추천해주는 무료 뷰티 서비스입니다. [주요 기능] • AI 피부 분석 — 셀카 한 장으로 수분, 모공, 트러블 등 여러 피부 지표를 분석합니다. • 맞춤 화장품 추천 — 분석 결과와 피부 고민에 맞춰 제품을 골라드립니다. • 안 맞는 성분 자동 제외 — 자극이 될 수 있는 성분이 든 제품은 추천에서 걸러냅니다. • 정식 판매처 연결 — 올리브영·쿠팡 등 공식 판매처로 바로 연결해드립니다. • 개인정보 보호 — 사진은 분석에만 쓰이고 저장 없이 즉시 파기됩니다. [이런 분께 추천합니다] • 내 피부 타입을 정확히 모르겠는 분 • 화장품 고를 때마다 고민되는 분 • 나에게 맞는 성분을 찾고 싶은 분 K-Beauty Lab의 분석과 추천은 참고용 정보이며, 의학적 진단이나 치료를 대체하지 않습니다.

Screenshots

RANDOMI4 screens
K4 screens

Verdict

The call

The clearest difference is rating: K at 5.0 against RANDOMI's 4.0. K also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

K holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

RANDOMI ships an update every 4 weeks, K monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
RANDOMI versus K: the parameters behind the verdict, then further details
ParameterRANDOMIK
PriceFreeFree
Rating4.0 (2 ratings)5.0 (1 ratings) — better
Number of ratings2 — better1
Update frequencyEvery 4 weeks — betterMonthly
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperMinseong KimThe Key Co., Ltd.

In-app purchases

None

RANDOMI

No in-app purchases

None

K

No in-app purchases

Questions

Is RANDOMI free?
RANDOMI is free to download, with no in-app purchases.
Is K free?
K is free to download, with no in-app purchases.
Which has better reviews, RANDOMI or K?
K is rated higher. RANDOMI averages 4.0 out of 5 from 2 ratings, while K averages 5.0 from 1 ratings.
Do RANDOMI or K have ads?
RANDOMI shows ads; K does not.
Which is updated more often, RANDOMI or K?
RANDOMI ships an update every 4 weeks, and K monthly. Most recently, RANDOMI was updated on November 4, 2026 and K on October 31, 2026.

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