RANDOMI vs K
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- AI skin analysis from selfies
- Personalized cosmetic recommendations
- Excludes irritating ingredients
- Links to official retailers
- Privacy-focused photo handling
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
RANDOMI ships an update every 4 weeks, K monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | RANDOMI | K |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Minseong Kim | The Key Co., Ltd. |
In-app purchases
RANDOMI
No in-app purchases
K
No in-app purchases









