# Summatic vs ∫dx

The clearest difference is in-app purchases: Summatic at none against ∫dx's 2. Summatic also leads on update cadence (fortnightly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ∫dx sells 2 in-app purchases, starting at $4.99 per month. Summatic asks for nothing beyond the download.

Summatic ships an update fortnightly, ∫dx monthly. The most recent releases landed on September 10, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Summatic | ∫dx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summatic/id1582461128/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 74 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Summatic Ltd](https://appshunter.io/developer/1582461130) | [PRANEEL AGRAWAL](https://appshunter.io/developer/1868893039) |

## What reviewers say

### Summatic

[App page](https://appshunter.io/ios/app/summatic/id1582461128)

Master complex STEM concepts with interactive lessons and unlimited practice questions. Tailored for A-level, IB, GCSE, and university courses, this app offers step-by-step guidance and dynamic visualizations to enhance learning. Explore topics through clear explanations and engaging examples.

**Highlights:** Unlimited practice questions, Step-by-step learning with feedback, Interactive graphs and visualizations, Easy navigation and search, Tailored for various academic levels, Exam board coverage

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

**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 Summatic free?

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

### Is ∫dx free?

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

### Do Summatic or ∫dx have ads?

Neither Summatic nor ∫dx shows ads.

### Which is updated more often, Summatic or ∫dx?

Summatic ships an update fortnightly, and ∫dx monthly. Most recently, Summatic was updated on September 10, 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.*