# mathekalk vs Memora

The clearest difference is in-app purchases: mathekalk at none against Memora's 3. Memora's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (15.6 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Memora sells 3 in-app purchases, starting at $7.99 per 7 days. mathekalk asks for nothing beyond the download.

mathekalk ships an update every 2 months, Memora every 11 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | mathekalk | Memora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 22 MB | 98 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Engelhard](https://appshunter.io/developer/1542199587) | [Florian Felix Zager](https://appshunter.io/developer/1826048227) |

## What reviewers say

### mathekalk

[App page](https://appshunter.io/ios/app/mathekalk/id1542199585)

**Features:** Vision Pro support

**In-app purchases:** none


### Memora

[App page](https://appshunter.io/ios/app/memora-study-app-and-flashcards/id6748520583)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memora Plus - Weekly | $7.99 | per 7 days |
| Memora Plus - Monthly | $11.99 | per month |
| Memora Plus - Yearly | $44.99 | per year |


## Frequently asked questions

### Is mathekalk free?

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

### Is Memora free?

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

### Do mathekalk or Memora have ads?

Neither mathekalk nor Memora shows ads.

### Which is updated more often, mathekalk or Memora?

mathekalk ships an update every 2 months, and Memora every 11 days. Most recently, mathekalk was updated on November 3, 2026 and Memora on October 30, 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.*