Memoir Lock vs JCALIT Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memoir Lock
This private journal app helps you organize personal moments, partner profiles, and relationship preferences. Record details like time, score, and photos, then manage entries by partner, mood, or custom categories. Gain insights through activity trends and achievements.
- Personal journal entries
- Partner profiles
- Relationship preferences
- Detailed entry logging
- Content management by category
- Activity trends and stats
- App lock and local storage
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Memoir Lock is a private, local-first diary for personal memories, secure notes, photos, videos, important dates, and optional iCloud backup. There is no public feed, no stranger community, and no developer-operated server holding your personal content. CAPTURE IMPORTANT MEMORIES • Save dates, duration, location, mood, ratings, and personal notes • Add photos and videos to keep memories vivid • Organize profiles, anniversaries, and custom options • Use gentle reminders to keep your journal up to date REVIEW CHANGES OVER TIME • Review totals, duration, ratings, streaks, and trends over time • Revisit places, photos, and meaningful moments • Use clear statistics to organize your personal records PRIVACY BUILT FOR PERSONAL CONTENT • Records, profiles, and media are encrypted on device with AES-GCM • The encryption key is stored in Apple Keychain • Your 6-digit Private Lock stores only a one-way verifier, never a readable passcode • Repeated failed attempts progressively increase the wait time • The app locks in the background and hides its app-switcher preview • If you forget the passcode, verify with Face ID, Touch ID, or the device passcode, then reset it YOUR DATA, YOUR DECISION • Data stays on your device by default; the developer has no server and cannot view it • Back up to your personal iCloud only when you choose, and restore when needed • Continue as a guest or use Sign in with Apple • Delete local data and personal iCloud backups separately Memoir Lock is intended for users who want to preserve personal memories, organize life records, and keep private content protected. It is a diary tool and does not provide medical diagnosis or professional treatment advice.
JCALIT Chat
Communicate using your unique handwriting style with this messaging app. Create custom fonts, send private or group chats, and share media. Offers premium features for enhanced control and higher limits.
- Custom handwriting font creation
- 1-to-1 and group chats
- Photo, voice, and media sharing
- Sealed letters with timed reveal
- Profile personalization
- Contact discovery
- Customizable chat themes
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JCALIT is a handwriting messaging app that lets you chat in your own personal writing style. Create a custom handwriting font, send messages that feel uniquely yours, and stay connected through private chats, group conversations, photos, voice messages, and media sharing. Key Features: • Send messages using your own handwriting font • Chat 1-to-1 or in groups • Share photos, media, and voice messages • Create sealed letters with timed reveal interactions • Personalize your profile with an avatar and banner • Discover friends from your phone contacts • Receive push notifications for chats, groups, and friend activity • Customize chat themes, wallpapers, bubbles, and app appearance • Download and install your generated fonts JCALIT Premium unlocks higher limits and advanced tools for users who want more control: • Create more handwriting fonts each month • Create more groups • Access premium effects and advanced font tools • Download and install generated fonts • Sync font packages and design drafts with cloud backup We continuously improve JCALIT for better performance, reliability, privacy, and a smoother handwriting chat experience. Auto-renewable subscription terms: • JCALIT Premium Monthly: $4.99/month • JCALIT Premium Yearly: $35.99/year • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. • You can manage or cancel subscriptions in App Store account settings. Terms of Use: https://jcalit.com/terms/ Privacy Policy: https://jcalit.com/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: Memoir Lock at none against JCALIT Chat's 2. On price, rating, ratings volume and update cadence 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. JCALIT Chat sells 2 in-app purchases, starting at $4.99 per month. Memoir Lock asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Memoir Lock against 5.0 for JCALIT Chat. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Memoir Lock ships an update every 6 days, JCALIT Chat every 4 days. Both last shipped on October 31, 2026.
| Parameter | Memoir Lock | JCALIT Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 6 MB | 55 MB |
| Age rating | 17+ | 12+ |
| Developer | 献慧 陈 | Nha HOANG |
Customer experience
Memoir Lock
JCALIT Chat
In-app purchases
Memoir Lock
No in-app purchases
JCALIT Chat
- JCALIT Premium$4.991 Month
- JCALIT Premium$35.991 Year









