# Calculation Triangle vs Lernwerkstatt Schuledition

The clearest difference is review sentiment: Lernwerkstatt Schuledition at 81% against Calculation Triangle's 30%. Lernwerkstatt Schuledition also leads on update cadence (every 6 weeks vs every 21 months). Calculation Triangle's advantage is price ($0.99 vs $9.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Calculation Triangle costs $0.99 and Lernwerkstatt Schuledition $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculation Triangle ships an update every 21 months, Lernwerkstatt Schuledition every 6 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calculation Triangle | Lernwerkstatt Schuledition |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/calculation-triangle/id575736731/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 30.0% of reviews | **81.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 22 MB | 186 MB |
| Requires iOS | **6.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Urff](https://appshunter.io/developer/415894463) | [medienwerkstatt](https://appshunter.io/developer/322110992) |

## What reviewers say

### Calculation Triangle

[App page](https://appshunter.io/ios/app/calculation-triangle/id575736731)

This virtual manipulative helps develop flexible arithmetic thinking. Users can create puzzles, model problems, and explore number relationships by adding, moving, and hiding tokens within a calculation triangle.

**Highlights:** Virtual calculation triangle manipulative, Token manipulation for arithmetic, Create and solve number puzzles, Hide/show fields and numbers, Shake to clear the triangle, Explore number relationships

**Features:** macOS Compatibility

**In-app purchases:** none


### Lernwerkstatt Schuledition

[App page](https://appshunter.io/ios/app/lernwerkstatt-schuledition/id1560618449)

This educational app offers over 50 math exercises for iPad, covering numbers, geometry, and measurements. It features a clear, distraction-free interface with helpful tools like number lines and abacuses to support learning.

**Highlights:** Over 50 math exercises, Numbers, geometry, and measurement topics, Distraction-free interface, Includes helpful tools like number lines and abacuses, Supports Apple School Manager multi-licensing, Covers basic and advanced math concepts

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculation Triangle free?

Calculation Triangle costs $0.99, with no in-app purchases.

### Is Lernwerkstatt Schuledition free?

Lernwerkstatt Schuledition costs $9.99, with no in-app purchases.

### Do Calculation Triangle or Lernwerkstatt Schuledition have ads?

Neither Calculation Triangle nor Lernwerkstatt Schuledition shows ads.

### Which is updated more often, Calculation Triangle or Lernwerkstatt Schuledition?

Calculation Triangle ships an update every 21 months, and Lernwerkstatt Schuledition every 6 weeks. Most recently, Calculation Triangle was updated on October 7, 2026 and Lernwerkstatt Schuledition on October 14, 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.*