TwoFac vs Islet Journal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TwoFac
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Your two-factor codes. Private, secure, always available. TwoFac is an offline authenticator that keeps your one-time passwords exactly where they belong — on your device. No account to create, no server to trust, no subscription to manage. Just your codes, ready when you need them. PRIVATE BY DESIGN Every secret is encrypted and stored locally using your device's secure storage. TwoFac has no backend, no analytics, and no data collection of any kind. Your codes never leave your phone unless you explicitly export a backup. SIMPLE TO USE • Scan a QR code to add any TOTP account in seconds • Enter codes manually with full field validation • Copy any token with a single tap • See exactly how long your code is valid with a live countdown • Organize accounts into folders to keep things tidy BACKUP WHEN YOU WANT Export an encrypted backup file protected by a password you choose. Save it to iCloud Drive, share it to Files, or keep it anywhere you like. Restore it on any device running TwoFac. Your backup, your rules. SECURE AT REST • Secrets encrypted with AES-GCM on-device • Optional biometric app lock (Face ID / Touch ID) • Automatic re-lock after a configurable timeout • Screenshot prevention in the app switcher COMPATIBLE WITH EVERYTHING TwoFac works with any service that supports TOTP (RFC 6238): Google, GitHub, Dropbox, Notion, Stripe, Amazon, Cloudflare, Twitter, Discord, and thousands more. FREE. ALWAYS. TwoFac is and will always be free to use. No ads. No in-app purchases. No premium tier. If you find it useful, a small donation keeps the project alive — but there's no obligation whatsoever. SUPPORTS TOTP / RFC 6238 · SHA-1, SHA-256, SHA-512 · 6- and 8-digit codes · 30- and 60-second periods · otpauth:// URI standard · iCloud Drive backup · Encrypted JSON export/import Terms Of Use (EULA): https://leomelegari.github.io/twofac-site/terms Privacy Policy: https://leomelegari.github.io/twofac-site/privacy
Islet Journal
This app offers a private journaling experience with a chat-like interface. Record memories through text, photos, videos, or voice notes in multiple notebooks. Data is stored locally by default for enhanced privacy.
- Chat-style journaling
- Text, photo, video, voice entries
- Multiple notebooks
- Calendar view for review
- Local data storage
- Optional S3/WebDAV sync
- On-device encryption
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Islet is a local-first private journal app. It turns journaling into a chat-like experience: open the app, send a text note, photo, video, or voice message, and it becomes part of your daily journal. You can create separate notebooks for travel, reading, everyday moments, food, or anything else, and revisit your memories by date in the calendar view. Key features: - Chat-style journaling - Text, photo, video, and voice entries - Multiple notebooks - Calendar view for daily review - No account required - Data is stored locally by default - Optional sync with your own S3 or WebDAV storage - On-device encryption before syncing Islet is designed for people who want a lightweight way to record life while keeping control of their private data.
Screenshots
Verdict
TwoFac and Islet Journal are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | TwoFac | Islet Journal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Leonardo Melegari | 纯洁 林 |
In-app purchases
TwoFac
No in-app purchases
Islet Journal
No in-app purchases









