# Stats & Probability Calculator vs Learn While Walking

The clearest difference is update cadence: Learn While Walking at every 4 days against Stats & Probability Calculator's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stats & Probability Calculator sells 3 in-app purchases, starting at $0.99 per month and Learn While Walking sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Stats & Probability Calculator ships an update every 4 months, Learn While Walking every 4 days. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Stats & Probability Calculator | Learn While Walking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 27 MB | 7 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [NIKLAS HOPPE](https://appshunter.io/developer/1862076431) |

## What reviewers say

### Stats & Probability Calculator

[App page](https://appshunter.io/ios/app/stats-and-probability-calculator/id6748586083)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $2.99 | per year |
| Remove ADS | $3.99 | one-time |


### Learn While Walking

[App page](https://appshunter.io/ios/app/learn-while-walking/id6756646077)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C1 Business (Full Pack) | $0.99 | one-time |
| C1 Medicine (Full Pack) | $0.99 | one-time |
| A2 General (Full Pack) | $0.99 | one-time |
| B1 General (Full Pack) | $0.99 | one-time |
| B2 General (Full Pack) | $0.99 | one-time |
| C2 Dogs (Full Pack) | $0.99 | one-time |


## Frequently asked questions

### Is Stats & Probability Calculator free?

Stats & Probability Calculator is free to download, with in-app purchases available.

### Is Learn While Walking free?

Learn While Walking is free to download, with in-app purchases available.

### Do Stats & Probability Calculator or Learn While Walking have ads?

Neither Stats & Probability Calculator nor Learn While Walking shows ads.

### Which is updated more often, Stats & Probability Calculator or Learn While Walking?

Stats & Probability Calculator ships an update every 4 months, and Learn While Walking every 4 days. Most recently, Stats & Probability Calculator was updated on September 9, 2026 and Learn While Walking on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*