# CS Wizard vs ∫dx

The clearest difference is price: ∫dx at Free against CS Wizard's $0.99. ∫dx also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). CS Wizard's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs monthly). On ads there is nothing between them.

∫dx is free to download; CS Wizard costs $0.99 up front. ∫dx sells 2 in-app purchases, starting at $4.99 per month. CS Wizard asks for nothing beyond the download.

CS Wizard ships an update every 2 days, ∫dx monthly. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CS Wizard | ∫dx |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Paid | — |
| Size | 5 MB | 42 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Macauley Treleaven](https://appshunter.io/developer/1796483396) | [PRANEEL AGRAWAL](https://appshunter.io/developer/1868893039) |

## What reviewers say

### CS Wizard

[App page](https://appshunter.io/ios/app/cs-wizard/id6742034730)

Master A-Level Computer Science concepts with interactive flashcards and helpful tools. This app aids revision, reinforces key ideas, and tracks your progress to help you ace your exams.

**Highlights:** Interactive flashcards for key terms, Tools for binary conversion, Data structure visualisers, Sorting algorithm visualisers, FDE visualiser, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### ∫dx

[App page](https://appshunter.io/ios/app/dx-a-level-maths-practice/id6758026965)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dx Premium Monthly | $4.99 | per month |
| dx Premium Annual | $12.99 | per year |


## Frequently asked questions

### Is CS Wizard free?

CS Wizard costs $0.99, with no in-app purchases.

### Is ∫dx free?

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

### Do CS Wizard or ∫dx have ads?

Neither CS Wizard nor ∫dx shows ads.

### Which is updated more often, CS Wizard or ∫dx?

CS Wizard ships an update every 2 days, and ∫dx monthly. Most recently, CS Wizard was updated on September 22, 2026 and ∫dx on September 6, 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.*