# Math Flash Cards vs Deltaprüfung Vorbereitung

Math Flash Cards and Deltaprüfung Vorbereitung are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Math Flash Cards sells 6 in-app purchases, starting at $2.99 per month and Deltaprüfung Vorbereitung sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Math Flash Cards ships an update monthly, Deltaprüfung Vorbereitung every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Math Flash Cards | Deltaprüfung Vorbereitung |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/math-flash-cards-mathx/id6762158994/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sandratra Razafindralambo](https://appshunter.io/developer/556442767) | [eHeroes GmbH](https://appshunter.io/developer/1561579866) |

## What reviewers say

### Math Flash Cards

[App page](https://appshunter.io/ios/app/math-flash-cards-mathx/id6762158994)

This app offers fast, focused sessions to improve mental math skills. Users can practice various operations, customize difficulty, and track their progress with instant feedback. It's designed for daily practice to build number fluency and confidence.

**Highlights:** Practice addition, subtraction, multiplication, division, Customizable difficulty levels, Keypad or multiple choice input, Instant feedback and session summaries, Progress tracking over time, Offline functionality

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathX Pro (Monthly) | $2.99 | per month |
| MathX Pro (Annual) | $17.99 | per year |
| Starter Upgrade | $7.99 | one-time |
| Discounted Upgrade | $9.99 | one-time |
| Pro Upgrade | $12.99 | one-time |
| MathX Pro (Lifetime) | $24.99 | one-time |


### Deltaprüfung Vorbereitung

[App page](https://appshunter.io/ios/app/deltaprufung-vorbereitung/id6776283557)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Bestandskunde) | $8.99 | one-time |
| Kurs freischalten (Rabatt) | $8.99 | one-time |
| Deltapruefung Premium | $34.90 | one-time |
| Kurs freischalten | $34.90 | one-time |


## Frequently asked questions

### Is Math Flash Cards free?

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

### Is Deltaprüfung Vorbereitung free?

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

### Do Math Flash Cards or Deltaprüfung Vorbereitung have ads?

Neither Math Flash Cards nor Deltaprüfung Vorbereitung shows ads.

### Which is updated more often, Math Flash Cards or Deltaprüfung Vorbereitung?

Math Flash Cards ships an update monthly, and Deltaprüfung Vorbereitung every 3 weeks. Most recently, Math Flash Cards was updated on October 31, 2026 and Deltaprüfung Vorbereitung on October 31, 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.*