Probability vs MathWrite Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Probability
Calculate probabilities, find percentiles, and visualize probability density or mass functions for a wide range of continuous and discrete statistical distributions. Explore common distributions like normal, binomial, Poisson, and many more.
- Compute probabilities
- Determine percentiles
- Plot probability density function
- Plot probability mass function
- Supports 10+ continuous distributions
- Supports 5+ discrete distributions
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Compute probabilities, determine percentiles, and plot the probability density function for the normal (Gaussian), t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Compute probabilities, approximate percentiles, and plot the probability mass function for the binomial, geometric, hypergeometric, Poisson, and negative binomial distributions.
MathWrite Notes
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MathWrite converts handwritten science notes into LaTeX. Write with Apple Pencil the way you already do. When a page is finished, MathWrite reads it and produces LaTeX you can compile, copy, or send straight to Overleaf. FREE TO START MathWrite is free to download and use. A free account keeps one notebook, writes by hand without limits, and includes 5 LaTeX conversions and 20 PDF compilations to try the conversion on your own notes. Those are one-time and do not renew. PREMIUM UNLOCKS THE REST • As many notebooks as you like • Unlimited LaTeX conversion and PDF compilation • Document scanning, photo import and PDF import • Converting a whole imported notebook in one go The yearly plan begins with a 7-day free trial. WRITTEN FOR MATHS • Pressure-sensitive ink with Apple Pencil, built on PencilKit • Apple Pencil-only mode for proper palm rejection • Blank, ruled, grid and dotted pages, in colours chosen for long reading sessions LATEX THAT ACTUALLY COMPILES • Finish a page and it converts, so the LaTeX grows with the notebook • Theorems, proofs, aligned equations, matrices and macros survive the conversion • Pages are joined into one document. A proof that starts on one page and ends on the next comes out as a single environment, not two broken halves • Macros you define once are collected into the preamble, not repeated • Three document styles: Default, Tagged and Boxed • Compile to PDF inside the app and read it beside your handwriting • Open in Overleaf in one tap, into your own account BRING YOUR OLD NOTEBOOKS • Import a PDF and write on top of it • Imported pages convert too, so your old notes become LaTeX as well • Scan paper notes with the camera and convert those Scanning and importing are premium features. BUILT FOR HOW STUDYING ACTUALLY GOES • Works offline: write with no connection, and the pages convert when you are back • Read-only mode for revising without stray marks • Export any notebook as a PDF • Favourites for finding a lecture again in week eleven Available in English and Spanish. Designed for iPad first, and works on iPhone. CONVERSION AND COMPILATION Conversion and compilation need to be online. Writing, reading and exporting are unlimited and work offline. SUBSCRIPTION DETAILS • MathWriteNotes Yearly Subscription — 39.99 USD per year, starting with a 7-day free trial • MathWriteNotes Monthly Subscription — 9.99 USD per month Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your Apple Account is charged for renewal within 24 hours of the end of that period. You can manage your subscription and turn off auto-renewal in your Apple Account settings after purchase. If you take the free trial, any unused portion is forfeited when you buy a subscription. Terms of Use: https://math-write-notes-backend.vercel.app/terms Privacy Policy: https://math-write-notes-backend.vercel.app/privacy
Screenshots
Verdict
The clearest difference is price: MathWrite Notes at Free against Probability's $1.99. Probability's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 18.6). On ads 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
MathWrite Notes is free to download; Probability costs $1.99 up front. MathWrite Notes sells 2 in-app purchases, starting at $9.99 per month. Probability asks for nothing beyond the download.
| Parameter | Probability | MathWrite Notes |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.9 (193 ratings) — better | — |
| Positive reviews | 97.2% of reviews | — |
| Number of ratings | 193 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 2 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Matthew Bognar | Andres Osorio Leyenda |
Bugs and requests
Probability
Requested features
7 requests- Exam mode similar to Geogebra
- Poisson distribution
- Allow setting plot boundaries (e.g., for Beta distribution)
- Make formulae available in offline mode
- Clearly introduce parameters
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- Add options after graph rendering (area above, between, outside values)
- Consistent terms for df across distributions
MathWrite Notes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Probability
No in-app purchases
MathWrite Notes
- MathWriteNotes Monthly Subscription$9.991 Month
- MathWriteNotes Yearly Subscription7 Days trial$39.991 Year
Questions
Is Probability free?
Is MathWrite Notes free?
Do Probability or MathWrite Notes have ads?
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