질문일기 vs Gumlock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
질문일기
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하루에 하나씩 365개의 다른 질문에 답하는 다이어리. 같은 질문에 대한 5년간의 기록을 통해 나의 생각과 지식의 변화과정을 살펴 보는 일기장. [주요 기능] 1. 5년간의 기록 매일 새로운 질문에 답하며 5년뒤의 나와 만나보세요 2. 날짜별 목록 날짜별로 어떤 질문들이 있는 지 한눈에 알 수 있어요 3. 알림설정 알림설정으로 잊지않고 글을 남길 수 있어요 4. 화면잠금 혼자만 볼 수 있는 나만의 비밀일기장으로 사용할 수 있어요 5. 백업 및 복원 소중한 나의 글들을 안전하게 간직할 수 있어요 [인 앱 결제] - 평생이용권을 구입하면 광고제거, 사진, 화면잠금, 백업및복원기능을 평생 사용할 수 있어요 - 평생이용권은 ₩2,200 입니다. - 이용약관: https://drive.google.com/file/d/1bNfh2fQdVo4-3j1G2E7fQfWFrx7iRmp8/view?usp=sharing - 개인정보처리방침: https://drive.google.com/file/d/1BTyCVWB1825POjARdrAvQ5OQ-CA8UgBM/view?usp=sharing
Gumlock
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Gumlock is a password manager that keeps your passwords on your iPhone — not on our servers, because we don't have any. NO ACCOUNT. NO SERVER. There is nothing to sign up for. Your vault is encrypted on your device with a master password that only you know, and nothing leaves your device unless you choose to sync, back it up or share it. We can't see your passwords, and nobody can sell them. BUILT FOR THE WHOLE FAMILY Manage accounts for your partner, parents and kids in one vault. Give each item an owner, then filter the list by person in one tap. FAST EVERY DAY • Unlock with Face ID • AutoFill usernames and passwords in Safari and other apps • Save a new account for a site right from the AutoFill sheet • Copy a username or password, or show it, straight from the list • Usernames you already use are suggested as you type • Share an account with family via Messages, AirDrop and more — you choose what to send and confirm with Face ID • Copied passwords are cleared from the clipboard automatically • Search by site, username or owner, and pin favorites to the top SECURITY FEATURES ARE ALWAYS FREE Unlimited items, AutoFill, Face ID, encryption, encrypted backup and restore, and CSV export are free — forever. If you ever want to leave, export a CSV that Apple Passwords and other managers can import. GUMLOCK PRO — ONE-TIME PURCHASE, NOT A SUBSCRIPTION • iCloud sync between your devices (only encrypted data is uploaded to your own iCloud) • Google Drive sync (only encrypted data, in a hidden app folder of your own Drive) • Automatic backups to a folder you choose • Attachments such as photos of ID cards • Multiple vaults, each with its own master password • Custom fields • Home and Lock Screen widgets Family Sharing is supported. HOW IT PROTECTS YOU • AES-256-GCM encryption; the key is derived from your master password with PBKDF2-SHA256 (600,000 iterations) • Your master password is never stored. Decrypted data exists only in memory while the vault is open • Auto-lock after the time you choose • No analytics, no ads, no tracking IMPORTANT If you forget your master password, your vault cannot be recovered — by anyone, including us. Keep it somewhere safe, and export an encrypted backup from time to time. Available in English, Korean, German, Spanish and Japanese.
Screenshots
Verdict
The clearest difference is update cadence: Gumlock at daily against 질문일기's every 3 months. 질문일기's advantage is iOS requirement (12.0 vs 17.0). 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. 질문일기 sells 1 one-off in-app purchase and Gumlock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
질문일기 ships an update every 3 months, Gumlock daily. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | 질문일기 | Gumlock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 65 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | KyongDon Um | SANGHOON LEE |
In-app purchases
질문일기
- 프리미엄 구매$0.99
Gumlock
- Gumlock Pro$1.99









