Probability vs 0 a 100
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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Replace your statistical tables with an interactive, graphical app! Compute probabilities & percentiles, and plot the probability density/mass function for the normal (Gaussian), t, chi-square, F, exponential, gamma, beta, log-normal, and Uniform, binomial, geometric (2 versions), hypergeometric, Poisson, and negative binomial (2 versions) distributions. Now supports Español.
0 a 100
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Inside the 0 a 100 app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later
Screenshots
Verdict
The clearest difference is price: 0 a 100 at Free against Probability's $1.99. 0 a 100 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). Probability's advantage is chart position (#157 vs unranked). On ads and in-app purchases 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
0 a 100 is free to download; Probability costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Probability | 0 a 100 |
|---|---|---|
| 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 | No |
| Monetization | Free | — |
| Best chart rank | #157 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Matthew Bognar | Emily Sudduth |
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
Show 2 moreShow fewer
- Add options after graph rendering (area above, between, outside values)
- Consistent terms for df across distributions
0 a 100
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Probability
No in-app purchases
0 a 100
No in-app purchases
Questions
Is Probability free?
Is 0 a 100 free?
Do Probability or 0 a 100 have ads?
Other comparisons
