CougarStats vs TheoremPath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CougarStats
This app simplifies statistical concepts for students and instructors. It offers tools for descriptive statistics, probability distributions, inference, and regression analysis, aiming to enhance understanding of statistical results.
- Descriptive Statistics
- Probability Distributions
- Statistical Inference
- Simple Linear Regression
- Correlation Analysis
- User-friendly interface
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CougarStats is an app designed for Descriptive Statistics, Probability Distributions, Statistical Inference, Simple Linear Regression & Correlation Analysis. CougarStats aims to simplify statistical concepts and foster learning with a user-friendly interface. In the context of statistical education, there is a need for intuitive and comprehensive apps that are accessible to a wide range of users, from students to instructors. The app is designed using education principles to balance simplicity with analytical depth, and uses an Agile approach in its development to consistently refine functionality and incorporate user feedback. In addition, the goal is to start distributing the application to a wider audience to gather feedback on future functionality as well as ways of optimizing the current suite of apps. As a result of these continued efforts, CougarStats will be presented to the educational community as the preeminent statistical analysis app in Statistics and Data Science courses. In conclusion, CougarStats represents a significant step towards empowering students in understanding and critically evaluating statistical results.
TheoremPath
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TheoremPath is a focused study companion for machine learning theory: prerequisites, theorem statements, notes, review state, and saved progress on iPhone. Use it when you want a serious map of ML foundations without losing track of what comes before what. The app pairs the TheoremPath knowledge graph with a quiet mobile workflow for reading, saving, note taking, and progress review. What you can do: - Open Today to continue from your recent work - Browse the Atlas by topic and prerequisite path - Save topics for later reading - Add local notes while studying - Mark topics as complete - Track local mastery and due review state - Complete server-backed daily review and topic practice - View profile, account, and deletion controls The content spans probability, statistics, statistical learning theory, optimization, linear algebra, information theory, concentration inequalities, and reinforcement learning foundations. Topics include definitions, theorem statements, assumptions, examples, common mistakes, and prerequisite chains. The app is designed for learners who care about structure, proof context, and durable progress. The library, Atlas, Today, Saved, notes, topic practice, and daily review are free. Saved-topic bookmarks synchronize when you sign in. Notes and local reading progress remain on your device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: CougarStats at weekly against TheoremPath's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
CougarStats ships an update weekly, TheoremPath every 2 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.
| Parameter | CougarStats | TheoremPath |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Ashok Krishnamurthy | Robert Sneiderman |
In-app purchases
CougarStats
No in-app purchases
TheoremPath
No in-app purchases
Questions
Is CougarStats free?
Is TheoremPath free?
Do CougarStats or TheoremPath have ads?
Which is updated more often, CougarStats or TheoremPath?
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