Discrete Probability vs AI Notebook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Discrete Probability
This app provides a comprehensive tool for learning and calculating discrete probability distributions. It includes formulas with derivations, visual tools like histograms, and descriptions of optimized computation methods. It covers general concepts and several specific distributions.
- User-friendly calculator
- Formulas with derivations
- Exportable formulas (image/LaTeX)
- Optimized computation methods
- Histograms and visual tools
- General concepts and specific distributions
Read full descriptionHide full description
Everything you need to learn and compute discrete distributions — formulas, derivations, and visual tools, all in one app. In Discrete Probability app, everything is in one place: • User-friendly calculator • Formulas with rigorous yet easy-to-follow derivations — exportable as images or LaTeX • Descriptions of optimized computation methods when they differ from the standard formulas • Histograms and other essential visual tools Covered in the first version: • General concepts with definitions and derivations / proofs • Binomial distribution • Geometric distribution • Negative Binomial distribution • Hypergeometric distribution • Poisson distribution We welcome your feedback — write to graphmath@aol.com
AI Notebook
This app uses AI to transform spoken words into text, generate summaries, and organize your notes. It's designed to boost productivity for students, professionals, and creators by automating note-taking and content generation.
- Speech to Text Transcription
- AI-Powered Note Generation
- Automatic Meeting Minutes
- Smart Summaries
- Voice Recorder
- AI Writer for Content
Read full descriptionHide full description
AI Notebook is a smart note-taking app designed to help you capture ideas, record conversations, and organize information effortlessly. Whether you're attending a meeting, studying for exams, brainstorming content, or managing daily tasks, AI Notebook helps you stay productive and organized. Powered by advanced AI technology, the app can turn speech into text, create detailed notes, generate summaries, and organize your docs in seconds. Instead of spending time writing everything manually, let AI handle the heavy lifting while you focus on what matters most. Key Features Speech to Text Convert voice recordings into accurate text instantly. Record lectures, interviews, discussions, and personal notes with ease. AI-Powered Notes Generate well-structured notes from prompts, recordings, or text input. Quickly capture important information without missing details. Meeting Minutes Turn conversations and meetings into organized meeting minutes with summaries, action items, and key takeaways. Smart Summaries Need the main points fast? AI Notebook creates concise summaries from long notes, transcripts, and documents, making information easier to review. Voice Recorder & Transcription Use the built-in voice recorder to capture audio and automatically transcribe it into editable text. AI Writer Generate outlines, drafts, ideas, and written content with the help of an intelligent AI writer powered by modern LLM technology. Organize Your Docs Store notes, recordings, transcripts, and summaries in one place for quick access whenever you need them. Perfect For Students: Record lectures, create study notes, and summarize learning materials. Professionals: Capture meetings, generate meeting minutes, and keep projects organized. Content Creators: Brainstorm ideas, write outlines, and organize creative workflows. Researchers & Teams: Record interviews, transcribe conversations, and manage information efficiently. Why Users Love AI Notebook • Fast speech-to-text transcription • Accurate voice recording and transcribing • AI-generated summaries and notes • Smart organization for docs and projects • Meeting minutes created automatically • Powerful AI writer for productivity tasks • Clean and easy-to-use interface If you enjoy apps like Otter, Notability, GoodNotes, or other note-taking tools, AI Notebook offers a smarter way to record, transcribe, summarize, and organize information. Download AI Notebook - Note Taker AI today and transform the way you take notes, manage meetings, create summaries, and capture ideas with AI. Note: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. The cost depends on the selected plan. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of the free trial will be forfeited when the user purchases a subscription. Privacy Policy: https://sites.google.com/view/hassan-ahmad-babar/privacy-policy Terms of Use: https://sites.google.com/view/hassan-ahmad-babar/terms-of-use
Screenshots
Verdict
The clearest difference is rating: Discrete Probability at 5.0 against AI Notebook's 1.0. Discrete Probability also leads on in-app purchases (none vs 6) and update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement 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. AI Notebook sells 6 in-app purchases, starting at $3.99 per 7 days. Discrete Probability asks for nothing beyond the download.
Discrete Probability holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Discrete Probability ships an update every 4 days, AI Notebook every 3 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | Discrete Probability | AI Notebook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuri Morozov | Hassan Ahmad Babar |
Customer experience
Discrete Probability
AI Notebook
In-app purchases
Discrete Probability
No in-app purchases
AI Notebook
- Week$3.997 Days
- AI Note Taker - Weekly Pro$3.997 Days
- Month$7.991 Month
Show 3 moreShow fewer
- AI Note Taker - Monthly Pro$7.991 Month
- Year$19.991 Year
- AI Note Taker - Yearly Pro$19.991 Year
Questions
Is Discrete Probability free?
Is AI Notebook free?
Which has better reviews, Discrete Probability or AI Notebook?
Do Discrete Probability or AI Notebook have ads?
Which is updated more often, Discrete Probability or AI Notebook?
Other comparisons















