Brainstorming vs Singularity Codex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brainstorming
This app helps you explore and develop ideas through interactive word clouds and suggestions. You can add various media like images, links, and voice memos to enrich your concepts. It's designed to streamline creative processes for projects, naming, and investigations.
- Interactive idea exploration
- Thematic word cloud generation
- AI-powered suggestions
- Multimedia content integration
- Project sharing
- Export as image, video, or PDF
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Unleash your creativity with Brainstorming, an intuitive platform where ideas come alive through interactive exploration. Automatically generate thematic clouds from your initial subjects and receive relevant suggestions tailored to your projects, just like magic. Dive deep into word relationships and concepts, adding images, sketches, voice memos, and web links. Explore cultural references from movies to Wikipedia articles. With a free account, create and share your Brainstormings with your friends and colleagues, and explore our community's public Brainstormings for fresh ideas. Streamline your creative process. Catchphrases, names, themes, or conducting investigations, Brainstorming simplifies it all. Subscribe to Brainstorming Premium for 1,99$/month to enjoy : • Unlimited Brainstorming projects • Unlimited number of levels in your Brainstorming projects • Adding artificial intelligence powered suggestions at all times, images and art references • Export and share your Brainstorming projects as images, videos or PDF. These prices apply to United States residents. Prices may vary in other countries respecting your local currency exchange rate. Your subscription will be charged to your iTunes account. At the end of the term, unless auto-renewables subscriptions are disabled, your subscription will automatically renew in your iTunes account. You will be charged for the regular price of your subscription within 24 hours prior to the end of the current term. You can turn off automatic renewal in your iTunes account settings at any time, but you must do so at least 24 hours before the end of the current term. Refunds will not be provided for the unused portion of any term. Find more informations about the confidentiality policy of Brainstorming on https://brainstormi.ng/policy To read our Terms of Use, visit https://brainstormi.ng/terms
Singularity Codex
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The only person worth messaging is you. Singularity Codex is a private chat with yourself — 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 — a codex of your own life, written a line at a time and kept for good. SEND YOURSELF ANYTHING • Notes, thoughts, ideas, lists — 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 — 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 — starred, pinned, reminders, tasks, links, photos, videos, voice, files — 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 — 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 — 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 — messages, photos, recordings and documents — 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 — 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 device support: Brainstorming at 4 against Singularity Codex's 1. Brainstorming also leads on iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases 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. Brainstorming sells 2 in-app purchases, starting at $1.99 per month and Singularity Codex sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Brainstorming | Singularity Codex |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (71 ratings) — better | — |
| Positive reviews | 26.1% of reviews | — |
| Number of ratings | 71 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 136 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Guillaume Cendre | BURAK KADAN |
In-app purchases
Brainstorming
- Brainstorming Premium$1.991 Month
- Brainstorming Platinum$3.991 Month
Singularity Codex
- 14-day TrialFree
- Codex, for good$12.99









