Quick Stochastics PRO vs 1Z0
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Quick Stochastics PRO
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This app offers the option of entering data sets from an empirical sample or data with corresponding probabilities. Depending on the specifications, the mean and empirical variance or expected value and variance with standard deviation are calculated step by step. Probability can be entered as decimal numbers. The sample of data can be entered as natural numbers. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared. [ Contents ] - important statistical values for a sample of data with corresponding probabilities are calculated - x as data or P(X) as probabilitie must be entered - mean, empirical variance, standard deviation are calculated - or expected value, variance, standard deviation are calculated - results are calculated and shown in detail - history to save the input - detailed solution - natural or decimal numbers are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - touching the plus button on the bottom of the table adds a new row to enter more data - press the check mark button at the bottom right to start the calculation - if values are missing, the corresponding field is highlighted in yellow - if the values are incorrect, the affected field will be highlighted in red - a short message explains why a value is incorrect - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared - the sum of probabilities P(X) must be equal to 1.0
1Z0
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Verdict
The clearest difference is price: 1Z0 at Free against Quick Stochastics PRO's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
1Z0 is free to download; Quick Stochastics PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Quick Stochastics PRO ships an update every 3 weeks, 1Z0 every 2 months. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.
| Parameter | Quick Stochastics PRO | 1Z0 |
|---|---|---|
| Price | $1.99 | Free ā better |
| Update frequency | Every 3 weeks ā better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details ā not scored | ||
| Size | 179 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Davy Raitt |
In-app purchases
Quick Stochastics PRO
No in-app purchases
1Z0
No in-app purchases






