# Discrete Math vs CASPer Test Prep

The clearest difference is update cadence: CASPer Test Prep at daily against Discrete Math's every 3 weeks. On price, ads, 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 CASPer Test Prep sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Discrete Math ships an update every 3 weeks, CASPer Test Prep daily. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Discrete Math | CASPer Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 39 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [ARISTOKRATI INC.](https://appshunter.io/developer/1893695087) |

## 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 | $29.99 | per year |
| Lifetime Premium | $64.99 | one-time |


### CASPer Test Prep

[App page](https://appshunter.io/ios/app/casper-test-prep/id6777382678)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $9.99 | per 7 days |
| Monthly Pro | $20.99 | per month |
| Annual Pro | $139.99 | per year |


## Frequently asked questions

### Is Discrete Math free?

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

### Is CASPer Test Prep free?

CASPer Test Prep is free to download, with in-app purchases available.

### Do Discrete Math or CASPer Test Prep have ads?

Neither Discrete Math nor CASPer Test Prep shows ads.

### Which is updated more often, Discrete Math or CASPer Test Prep?

Discrete Math ships an update every 3 weeks, and CASPer Test Prep daily. Most recently, Discrete Math was updated on October 20, 2026 and CASPer Test Prep on October 12, 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.*