# Calc Visualizer vs Spelling German Basic School

The clearest difference is price: Calc Visualizer at Free against Spelling German Basic School's $1.99. Calc Visualizer also leads on iOS requirement (8.0 vs 16.6). Spelling German Basic School's advantage is update cadence (every 6 weeks vs every 44 months) and device support (3 vs 1). On in-app purchases there is nothing between them.

Calc Visualizer is free to download; Spelling German Basic School costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calc Visualizer ships an update every 44 months, Spelling German Basic School every 6 weeks. The most recent releases landed on September 9, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | Calc Visualizer | Spelling German Basic School |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[3.9 (9 ratings)](https://appshunter.io/ios/app/spelling-german-basic-school/id912897720/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 44 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 39 MB | 6 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Dieter Bartsch](https://appshunter.io/developer/887772601) |

## What reviewers say

### Calc Visualizer

[App page](https://appshunter.io/ios/app/calc-visualizer/id890468108)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spelling German Basic School

[App page](https://appshunter.io/ios/app/spelling-german-basic-school/id912897720)

Master common German spelling errors with over 900 essential words for elementary students. This app focuses on frequently misspelled words and basic grammar rules for effective and playful learning.

**Highlights:** Over 900 essential German words, Focus on frequently misspelled words, Covers basic grammar rules (uppercase, das/dass, tz/zz/ck), Efficient learning algorithm, Simple and clear interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc Visualizer free?

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

### Is Spelling German Basic School free?

Spelling German Basic School costs $1.99, with no in-app purchases.

### Which is updated more often, Calc Visualizer or Spelling German Basic School?

Calc Visualizer ships an update every 44 months, and Spelling German Basic School every 6 weeks. Most recently, Calc Visualizer was updated on September 9, 2026 and Spelling German Basic School on July 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.*