Munra vs Singularity Codex
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Munra
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Your thoughts deserve privacy. Munra is a journaling app built around one principle: your words belong to you, and only you. No accounts. No servers. No data sharing. Every entry is end-to-end encrypted before it ever touches storage, and only you can unlock it. Privacy by design - AES-256 encryption on every entry - Biometric or passcode lock - Alien Language turns your entries into glyphs, so nobody reads over your shoulder - Encrypted backup and restore, protected by a passphrase only you know Write the way you want - Folders, voice memos, and full-text search - Photos from your library, or straight from the camera - Mood tracking and writing streaks to build the habit - Tags, pinned entries, and quick notebook switching Make it yours - Every theme and home-screen icon - Notebook covers you can decorate - Burn an entry instead of saving it, when something is better not kept Optional AI features, entirely on your terms - Daily writing prompts to get you started - Reflective questions as you write - Insights that surface patterns across your entries - Chat with your journal to revisit what matters most AI features are off by default and run on your own API key. Munra has no servers of its own, so when you turn a feature on, the relevant part of an entry goes directly from your device to the AI provider you choose, never through us. Locked entries are always excluded, and identifying details are stripped before anything is sent. Munra Plus Munra is free to download, and the core of it stays free. Munra Plus adds every theme and home-screen icon, notebook covers, Alien Language, burning an entry, and automatic backup to iCloud or a folder you choose. It is an auto renewing subscription on a monthly or a yearly term, billed to your Apple ID when you confirm the purchase. It renews unless you turn off auto renew at least 24 hours before the period ends, and you can manage or cancel it any time in your Apple ID settings. If a subscription lapses, your journal and every entry in it stay on your device, and stay readable. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Munra Terms: https://munradiary.com/terms Privacy Policy: https://munradiary.com/privacy
Singularity Codex
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The only person worth messaging is you. Singularity Codex is a private chat with yourself ā a note-to-self app, a journal and a personal archive in one conversation. Text yourself a thought. Send yourself a photo, a voice note, a link, a PDF. It lands where you left it, in the order you had it, and it stays there. No folders to choose. No titles to write. No account to create. You already message yourself. Everyone does: the chat with just you in it, the email to your own address, the notes app you never open twice. Codex is what that habit deserves ā a codex of your own life, written a line at a time and kept for good. SEND YOURSELF ANYTHING ⢠Notes, thoughts, ideas, lists ā type and send ⢠Photos and videos from your library, or straight from the camera ⢠Voice messages, transcribed on your iPhone so you can search what you said ⢠Links, with a preview card instead of a bare address ⢠PDFs and documents from Files ⢠Anything from any app, through the share sheet ⢠Hands-free with Siri and Shortcuts: "Send to Codex" ⢠Reply to an old message to carry a thought forward ⢠Star, pin, copy, or select many at once REMINDERS WRITTEN IN YOUR OWN WORDS Write "Call the dentist tomorrow at 10" and Codex offers the reminder. One tap and it is set ā no form, no date picker, no second app. It understands English, Turkish, German, French and Spanish. The Now tab gathers what matters today: overdue, due today, tasks, pinned messages, what you just saved, and what you wrote on this day. YOUR PERSONAL HISTORY, DRAWN The Codex tab turns your archive into a history you can read. Every year you have kept becomes twelve calendars, shaded by how much you wrote. Tap any day and read yourself back. Collections build themselves ā starred, pinned, reminders, tasks, links, photos, videos, voice, files ā and on-device labels such as Idea, Task, Work, Personal, Memory and Event sort your messages without you ever filing a thing. Now and then, Codex shows you what you wrote a week, a month or a year ago. TODAY: WHAT YOU CHOSE TO READ Follow a site's feed, a podcast, a YouTube channel, a Mastodon or Bluesky account, a subreddit. Posts arrive newest first, grouped by day ā no algorithm, no ranking, nothing promoted. Mute a word, hide someone, or keep a post in your archive with one tap. FIND ANYTHING IN A SECOND Search every message, link title, file name and voice transcript at once, then narrow it to photos, links, voice, files or ideas. PRIVATE BY ARCHITECTURE, NOT BY PROMISE ⢠No account. No sign-up. No login. ⢠No analytics, no tracking, no ads, no third-party SDKs ⢠No server of ours ā there is nowhere for your archive to be sent ⢠Labels are worked out on your iPhone and never leave it ⢠Voice is transcribed on the device, or not at all ⢠App Store privacy label: Data Not Collected ICLOUD, ONLY IF YOU WANT IT Turn on sync and your archive ā messages, photos, recordings and documents ā lives in your own private iCloud database and appears on your other iPhones. We have no access to it. With Advanced Data Protection on, it is end-to-end encrypted. AN ARCHIVE YOU CAN LEAVE WITH Export everything, any time: your messages as JSON and as plain text, with every photo, recording and document, in one zip that opens without this app. Save any photo or video back to your library in a tap. MAKE IT YOURS Five color themes, light and dark appearance, and the whole app in five languages. ONE PRICE. NO SUBSCRIPTION. Try everything free for 14 days. When the trial ends, your archive stays readable, searchable and exportable ā forever, at no cost. Adding new messages takes one purchase, once. No subscription, no renewals, no ads. Your thoughts are not content. Your archive is not a product. Start your codex.
Screenshots
Verdict
The clearest difference is in-app purchases: Munra at none against Singularity Codex's 2. Munra also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price and ads there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Singularity Codex sells 2 one-off in-app purchases. Munra asks for nothing beyond the download.
| Parameter | Munra | Singularity Codex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | ā |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 15.1 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 75 MB | 5 MB |
| Age rating | 12+ | 17+ |
| Developer | Sidewalk Society Inc. | BURAK KADAN |
In-app purchases
Munra
No in-app purchases
Singularity Codex
- 14-day TrialFree
- Codex, for good$12.99









