# Formulas +, your 4 collections vs Weitblick Touren

The clearest difference is price: Weitblick Touren at Free against Formulas +, your 4 collections's $3.99. Weitblick Touren also leads on in-app purchases (none vs 2). Formulas +, your 4 collections's advantage is update cadence (every 4 months vs every 15 months) and iOS requirement (12.0 vs 16.6). On ads and device support there is nothing between them.

Weitblick Touren is free to download; Formulas +, your 4 collections costs $3.99 up front. Formulas +, your 4 collections sells 2 one-off in-app purchases. Weitblick Touren asks for nothing beyond the download.

Formulas +, your 4 collections ships an update every 4 months, Weitblick Touren every 15 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Formulas +, your 4 collections | Weitblick Touren |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weitblick-touren/id1558997111/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Monetization | Paid | **Free** |
| Size | 27 MB | 84 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [app-solutions.de](https://appshunter.io/developer/550462608) | [Rolf Mathis](https://appshunter.io/developer/1034236057) |

## What reviewers say

### Formulas +, your 4 collections

[App page](https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605)

This app consolidates essential formulas for mathematics, physics, chemistry, and technical subjects into a single, easy-to-use application. It features an intelligent search function and provides clear explanations and graphics to aid understanding.

**Highlights:** Consolidated formulas for multiple subjects, Intelligent search function, Explanations and graphics, Calculation function (In-App Purchase), User suggestion feature

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basics Pack | $0.99 | one-time |
| Geometry/Stereometry Pack 1 | $0.99 | one-time |


### Weitblick Touren

[App page](https://appshunter.io/ios/app/weitblick-touren/id1558997111)

Discover surprising insights and hidden stories about Freiburg and its surroundings through curated excursions. Developed by students, this app brings academic knowledge to the public, offering unique perspectives that entertain and educate.

**Highlights:** Student-curated excursions, Explore Freiburg and surroundings, Hidden stories and anecdotes, Unique perspectives, Discover new insights, Topic and tour discovery

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Formulas +, your 4 collections free?

Formulas +, your 4 collections costs $3.99, and also offers in-app purchases.

### Is Weitblick Touren free?

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

### Do Formulas +, your 4 collections or Weitblick Touren have ads?

Neither Formulas +, your 4 collections nor Weitblick Touren shows ads.

### Which is updated more often, Formulas +, your 4 collections or Weitblick Touren?

Formulas +, your 4 collections ships an update every 4 months, and Weitblick Touren every 15 months. Most recently, Formulas +, your 4 collections was updated on November 1, 2026 and Weitblick Touren on November 3, 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.*