# Discrete Math vs Qedra

The clearest difference is ads: Discrete Math at none against Qedra's shown. Discrete Math also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Discrete Math sells 3 in-app purchases, starting at $4.99 per 7 days and Qedra sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Discrete Math ships an update every 3 weeks, Qedra every 2 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Discrete Math | Qedra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 39 MB | 23 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### Discrete Math

[App page](https://appshunter.io/ios/app/discrete-math-discretica/id6761345113)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $34.99 | per year |
| Lifetime Premium | $64.99 | one-time |


### Qedra

[App page](https://appshunter.io/ios/app/qedra-math-solver/id6803934326)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Qedra Pro (Monthly) | $2.99 | per month |
| Qedra Pro (Yearly) | $14.99 | per year |
| Qedra Pro (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Discrete Math free?

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

### Is Qedra free?

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

### Do Discrete Math or Qedra have ads?

Qedra shows ads; Discrete Math does not.

### Which is updated more often, Discrete Math or Qedra?

Discrete Math ships an update every 3 weeks, and Qedra every 2 weeks. Most recently, Discrete Math was updated on November 11, 2026 and Qedra on November 3, 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.*