# PreNumbers vs disCase

The clearest difference is in-app purchases: disCase at none against PreNumbers's 1. disCase also leads on device support (3 vs 1). PreNumbers's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence and ads there is nothing between them.

Both are free to download. PreNumbers sells 1 one-off in-app purchase. disCase asks for nothing beyond the download.

PreNumbers ships an update every 8 months, disCase every 10 months. The most recent releases landed on September 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PreNumbers | disCase |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 10 months |
| Size | 42 MB | 194 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IntegraTools GmbH](https://appshunter.io/developer/618103816) | [Sanofi Winthrop Industrie](https://appshunter.io/developer/505979294) |

## What reviewers say

### PreNumbers

[App page](https://appshunter.io/ios/app/prenumbers/id1142502437)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All exercises | $44.99 | one-time |


### disCase

[App page](https://appshunter.io/ios/app/discase/id6454041933)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PreNumbers free?

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

### Is disCase free?

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

### Do PreNumbers or disCase have ads?

Neither PreNumbers nor disCase shows ads.

### Which is updated more often, PreNumbers or disCase?

PreNumbers ships an update every 8 months, and disCase every 10 months. Most recently, PreNumbers was updated on September 25, 2026 and disCase on October 9, 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.*