idag vs 23Brain
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
idag
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Meet idag - your all-in-one productivity companion that helps you stay focused, organized, and accomplish more every day. KEY FEATURES: Task Management β’ Intuitive task creation and organization β’ Priority levels and due dates β’ Subtasks and checklists β’ Project organization Focus & Time Management β’ Pomodoro timer with customizable intervals β’ Productivity analytics Habit Building β’ Create and track daily habits β’ Streak monitoring β’ Progress visualization β’ Habit statistics Productivity Insights β’ Beautiful productivity charts β’ Most productive times Policy: https://tally.so/r/mYo5xq Download idag today and transform your productivity journey with our beautiful, intuitive interface designed for daily success. TERMS OF USE :https://tally.so/r/mYo5xq
23Brain
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Your second and third brain for smarter learning 23Brain helps you collect, summarize, and retain knowledge from everything you read, watch, or listen to β powered by AI. Build a personal learning system that grows with you. How it works β’ Summarize any content automatically Save links, videos, or PDFs β 23Brain generates concise, AI-powered summaries. β’ Learn on the go Listen to audio summaries anywhere and make use of your time more efficiently. β’ Organize with collaborative collections Group related topics, share insights, or explore curated watchlists. β’ Retain knowledge with AI-generated quizzes Reinforce what youβve learned through personalized quizzes that adapt to your interests. β’ Chat with your second brain Ask questions, connect ideas, and reflect on what youβve learned through intelligent conversations. β’ Track your progress Stay motivated with streaks, insights, and detailed learning statistics. Why 23Brain Unlike traditional note-taking tools, 23Brain helps you remember more and understand faster β not just store information. Itβs your personal AI companion for continuous learning and long-term growth. Key features β’ AI summaries for articles, videos, and podcasts β’ Audio playback for summaries β’ Personalized quizzes and progress insights β’ Collaborative collections and watchlists β’ Multi-language support for 12 languages including English, German, and Hindi β’ Light and Dark Mode Start building your second brain today. Turn what you learn into knowledge that lasts.
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Verdict
The clearest difference is iOS requirement: 23Brain at 13.0 against idag's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. idag sells 3 in-app purchases, starting at $2.99 per 7 days and 23Brain sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
idag ships an update every 5 days, 23Brain every 8 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | idag | 23Brain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days β better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 13.0 β better |
| Further details β not scored | ||
| Size | 48 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | mansour mahamat | Felix Seip |
In-app purchases
idag
- Premium weekly$2.997 Days
- Premium Month$4.991 Month
- Premium Year$39.991 Year
23Brain
- Pro (Monthly)3 Days trial$12.991 Month
- Ultra (Monthly)3 Days trial$24.991 Month
- Pro (Yearly)3 Days trial$99.991 Year
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- Ultra (Yearly)3 Days trial$249.991 Year









