Daycell vs Second Brain
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Daycell
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See your entire year on a single screen with Daycell, add color to your days, and live a more organized life! Daycell goes beyond ordinary calendar and note-taking apps, giving you the ability to view, track, and plan an entire year at a glance. Color your days based on your mood, habits, goals, or special activities, and create your own personal journal with rich notes for every day. KEY FEATURES: > Year-at-a-Glance View See your entire year on a single screen and gain a clear perspective on how time is passing and how close you are to achieving your goals. Take your time management to the next level with a dynamic progress bar that shows exactly where you are in the year. > Customizable Day Shapes and Colors Display your days as squares, circles, stars, or diamonds. Assign custom colors to different categories (Orange, Blue, Green, Pink, Peach) and transform your calendar into a personalized visual dashboard. Track your mood, monitor habits, or build powerful habit streaks. > Rich Daily Notes (Rich Text) Add detailed notes to every day. With the advanced text editor, you can highlight important information with bold formatting, create lists, and organize your journal exactly the way you want. > Save to Gallery as an Image Save your beautiful yearly calendar view to your gallery with a single tap as a high-quality image. Share it on social media or print it out and hang it on your wall. > Dark and Light Theme Support Switch effortlessly between eye-friendly dark mode and vibrant light mode. Even the app icon automatically adapts to match your selected theme. > Fully Offline and Secure Your data is stored securely on your device. Manage your notes and plans privately without requiring an internet connection. Visualize your life, track your habits, and make every day meaningful. Download Daycell today and start adding color to your year!
Second Brain
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Speak or type one messy thought. Second Brain separates every intention, creates the right Apple Reminder, Calendar event, or Markdown update, and shows exactly what changed. Your tasks stay in Apple Reminders, your dates stay in Apple Calendar, and your knowledge stays in ordinary Markdown files you control. VOICE TO ACTION ⢠Speak or type when one thought contains several intentions ⢠Attach an existing image or take a photo without leaving the capture ⢠Turn things you need to do into Apple Reminders ⢠Put meetings, deliveries, and passive dates into Apple Calendar ⢠Create, append to, or update the right Markdown page ⢠Keep dates and times exactly as you expressed them SEE AND CONTROL EVERY CHANGE Each capture keeps your words and a receipt for every result. Review destinations, confirm pending events, retry failures, repair exact duplicates, or undo supported changes. YOUR TOOLS, NOT ANOTHER SILO ⢠Tasks live in Apple Reminders ⢠Events live in Apple Calendar ⢠Context stays in ordinary Markdown files ⢠Use the recommended iCloud Drive folder, another Files folder, or an Obsidian vault ⢠Capture from Siri, Shortcuts, widgets, Control Center, the share sheet, or the Action Button KNOWLEDGE WITH SOURCES Ask questions about your pages and inspect linked sources. Search in the app, Siri, or on-device Spotlight. Projects keep notes, pages, reminders, events, and recent activity together. MANAGED INTELLIGENCE Managed Intelligence is an optional monthly or annual App Store subscription for hosted OpenAI processing. The secure service verifies access and limits, stores no request bodies, and deletes temporary results after acknowledgement or within 24 hours. EXTERNAL AI PROVIDER CONNECTIONS Settings > AI & Providers can connect an existing Anthropic or OpenAI developer account as an external service. Second Brain does not sell provider access or include provider sign-up, pricing, or purchase links. The credential stays in Apple Keychain, and requests go directly to the selected provider under that provider's terms. PRIVATE BY DESIGN Before any personal data is sent to an AI service, Second Brain names the recipients and data categories and asks for permission. Choose Use Without AI to keep all AI transmission disabled while local capture, notes, reminders, events, and search remain available. Managed requests go to Second Brain's Cloudflare-hosted service and then OpenAI. Personal-key text requests go directly to OpenAI or Anthropic. Permission can be reviewed or withdrawn in Settings > Privacy & AI. Voice can be transcribed fully on device with Apple Speech, so audio never uploads, or through an optional permission-gated online route. When Online transcription is selected, recordings go to OpenAI directly or through the managed Cloudflare route. Failed or cancelled online uploads preserve the local recording for retry. Photos stay local unless the user includes them in an authorized AI request. There is no Second Brain login, advertising, or tracking. Firebase Analytics and Crashlytics receive content-free product or diagnostic data, never captures, transcripts, audio, chat, files, titles, keys, or model content. The public What Gets Sent view and content-free privacy ledger show the applicable routes and transfers. SUBSCRIPTION TERMS Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the period ends. Manage or cancel subscriptions in your Apple Account settings. Any trial converts to the selected paid plan unless canceled before the trial ends. Terms of Use: https://second-brain-in-motion.heartsker.chatgpt.site/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://second-brain-in-motion.heartsker.chatgpt.site/privacy
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Verdict
The clearest difference is in-app purchases: Second Brain at none against Daycell's 1. Second Brain also leads on update cadence (every 5 days vs monthly). Daycell's advantage is iOS requirement (14.0 vs 18.0). On price, ads and device support 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. Daycell sells 1 one-off in-app purchase. Second Brain asks for nothing beyond the download.
Daycell ships an update monthly, Second Brain every 5 days. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.
| Parameter | Daycell | Second Brain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 5 days ā better |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 14.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 36 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Ramazan Capaci | Aleksandr Pustotin |
In-app purchases
Daycell
- Daycell Premium$1.99
Second Brain
No in-app purchases
Questions
Is Daycell free?
Is Second Brain free?
Do Daycell or Second Brain have ads?
Which is updated more often, Daycell or Second Brain?
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