SmartChaja vs Keasy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartChaja
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SmartChaja is the easiest way to rent portable power banks. With SmartChaja, you can: .Locate nearby power banks instantly .Rent and unlock with just a few taps .Pay securely through your wallet or card .Track your rentals and history in your profile Perfect for travelers, commuters, and anyone on the go. SmartChaja keeps you powered up whenever and wherever you need. Download now and never run out of battery again!
Keasy
Navigate life in South Korea with this comprehensive guide. Get AI-powered answers on visas, banking, and daily life, plus step-by-step instructions for settling in. Connect with a community, find jobs, and access local services.
- AI Assistant for instant answers
- Step-by-step settling-in guides
- Community forums and groups
- Job and event listings
- Marketplace for buying/selling
- Directory of professional services
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Moving to Korea means a hundred small problems nobody warns you about. Which visa you need. How to open a bank account without a phone number, and a phone number without a bank account. Whether that apartment deposit is normal. Keasy is the app we wish we had. GUIDES THAT ANSWER THE ACTUAL QUESTION Visas, banking, healthcare, housing, transport and taxes, written in plain English by people who went through it. No half-translated government PDFs. JOBS NEAR YOU Listings from Korean job boards alongside our own, sorted by distance from where you are. Tap any address to open it in Naver Map. NEARBY, AND OPEN RIGHT NOW A directory of clinics, restaurants, salons and services worth knowing, showing whether they are open at this moment, the nearest subway stop, directions and which payment methods they take. COMMUNITIES Rooms for your city, your university and your situation. Ask the question you are embarrassed to ask. Someone here has already asked it. PHONE PLANS AND INTERNET, EXPLAINED Compare providers and monthly costs in English, then talk to a real person instead of guessing at a contract you cannot read. KEASY AI Ask anything about life in Korea and get an answer in seconds, in your language. Built in Daejeon by Montem Flumen Inc., a company founded by international students who arrived with the same questions you have now.
Screenshots
Verdict
The clearest difference is update cadence: Keasy at every 4 days against SmartChaja's every 10 days. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SmartChaja ships an update every 10 days, Keasy every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | SmartChaja | Keasy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | TEWL (TJR ENGINEERING WORKS LIMITED) | SAGAR PANDEY |
In-app purchases
SmartChaja
No in-app purchases
Keasy
No in-app purchases









