# Devmaxx vs Probability Practice

The clearest difference is in-app purchases: Probability Practice at none against Devmaxx's 2. Probability Practice also leads on iOS requirement (13.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Devmaxx sells 2 in-app purchases, starting at $8.99 per month. Probability Practice asks for nothing beyond the download.

## The numbers

| Metric | Devmaxx | Probability Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (536 ratings)](https://appshunter.io/ios/app/devmaxx/id6758278144/reviews)** | — |
| Number of ratings | **536** | — |
| Positive reviews | 17.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Subscription | — |
| Size | 38 MB | 31 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Arjay McCandless LLC](https://appshunter.io/developer/1871931520) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Devmaxx

[App page](https://appshunter.io/ios/app/devmaxx/id6758278144)

This app provides a daily system design question to help software engineers master essential skills for interviews and career growth. It offers clear explanations, linked resources, and a private community for learning and practice.

**Highlights:** Daily system design questions, Clear explanations and answer breakdowns, Linked learning resources, Access to previous questions, Private developer community, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Devmaxx Subscription | $8.99 | per month |
| Annual Devmaxx Subscription | $59.99 | per year |


### Probability Practice

[App page](https://appshunter.io/ios/app/probability-practice/id6760345315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Devmaxx free?

Devmaxx is free to download, with in-app purchases available.

### Is Probability Practice free?

Probability Practice is free to download, with no in-app purchases.

### Do Devmaxx or Probability Practice have ads?

Neither Devmaxx nor Probability Practice shows ads.

---

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