# Formulas +, your 4 collections — Math, Physics, Chemistry, Elec

> Comprehensive formulary app for math, physics, chemistry, and technical subjects. (iPhone/iPad app by app-solutions.de.)

- Source: https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605 (this page in markdown: same URL + `.md`)
- Developer: [app-solutions.de](https://appshunter.io/developer/550462608)
- Category: Education, Productivity
- Price: $3.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 27 MB
- Languages: American English, German (Germany)
- Released: 2014-06-28
- Data updated: 2026-08-14
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605/reviews.md

## What is Formulas +, your 4 collections?

Four formularies for mathematics, physics, chemistry and technics? 
Have to buy all of them individually, load them and open them? NO, not anymore! 
Formulas + combines all important formularies into one. That means you only need to buy one, load one – it is really easy. 
The app covers all subjects you have in your school life and is probably the most extensive formulary in the app-store. 

Awards: 
App of the week: CW40/2012 – Telefon.de

You hate looking for formulas for a long time? Thanks to an integrated intelligent search function searching becomes child’s play and you will find your formulas quickly.

Made by students for students. We know what you have to struggle with in the natural scientific mathematical subjects and would like to give you a helping hand with this app. Who does not want a little helper which you can use quickly during the lessons at school or at home when you work at your desk? Even a great mathematician/physicist/chemist/technician is powerless without the right formulas. 
It does not matter whether you like these subjects or you have difficulties memorizing the combination of letters and arithmetic operators, this app is your best friend in any case.

In addition to the formulas you will find extensive, appropriate explanations and graphics, which offer clarity. 
Available tips for the formulas will help you and provide a good general knowledge. 

Should you need a hint to find the correct way to calculate, the innovative calculation function with a detailed way to calculate and commentary can be used (In-App Purchase required).

Should you have a suggestion for improvement or find a mistake, we will be happy to hear it. To make it as simple as possible for you, we have developed an additional procedure for that. 
You will have to click on the top right on the "Suggestion send" Button, on the particular formula page.

Design and graphics from http://www.global-art-studios.de 

We explicitly recommend, however, not to use this app and a smartphone during exams, tests, class tests or even final exams and we refuse liability for possible punishment and exclusion as well as failures due to improper and wrong usage of the contents.

## Key features

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

## Pricing and in-app purchases

Base price: $3.99.

**One-time purchases**

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


## Recent user reviews (10 of 13)

All indexed reviews: https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605/reviews.md

### 1/5 — Nichts für mich

*2020-05-27*

Viel zu wenig Infos. Lohn sich nicht. Um zu Berechnen muss man weiter Geld ausgeben. Das kann ich nicht gebrauchen.

### 2/5 — Hätte mir mehr darunter vorgestellt

*2016-03-12*

Ich finde es etwas schwach wenn ich für das APP schon so viel Geld zahle mir dann die zusätzlichen Berechungstools wiederum kaufen muss / kann um die volle Funktionalität zu bekommen

### 1/5 — Absolut enttäuschend

*2014-08-17*

Viel zu wenig Formeln und gar keine Hilfen beim berechnen. Würde es nicht nochmal gekauft wenn ich das gewusst hätte!

### 1/5 — Kaufwarnung

*2014-07-29*

Ich bin schwer enttäuscht wie wenig mir geboten wird für so viel Geld. Sogar die Gratis Apps schlagen diese Formelsammlung um längen. NICHT KAUFEN!!!

### 2/5 — Unvollständig

*2014-03-29*

Es ist mir unbegreiflich, wie man Analysis komplett unberücksichtigt lassen kann. Dafür wird beim Ersten Öffnen direkt ein In-App-Kauf angeboten.

### 5/5 — Super Idee!

*2014-01-07*

Ich möchte mich herzlich bei den Entwicklern dieser tollen App. bedanken! Genau das richtige um schnell auf wichtige Formeln zurück zugreifen. Nun kann ich meine Fortbildung zum Elektrotechniker mit einer fachlich sinnvollen App. beginnen!

### 5/5 — Top App - übersichtlich und umfangreich

*2013-10-21*

Alles drin, was man braucht und regelmässig nachschlagen musste. Tolle übersichtliche Oberfläche. 
Echte Empfehlung!

### 5/5 — Tolle Unterstützung !!!

*2013-09-07*

Habe die App für meinen Sohn gekauft und finde das es eine tolle Unterstützung ist.
Freue mich auf weitere Rechenfunktionen wie bei der Kugel ;-)

Super, jetzt mit Zoomfunktion und weiteren Rechenfunktionen.

### 5/5 — Tolle App.

*2013-09-07*

Da ist dem Entwicklungsteam wirklich ein großer Wurf gelungen. Übersichtlichkeit und Vielfalt ist Trumpf.

### 5/5 — Top!

*2013-09-03*

Wunderbare App! Hat mir während der Schulzeit sehr geholfen und mich durch Übersichtlichkeit und verständliche Erklärungen überzeugt!

## Frequently asked questions about Formulas +, your 4 collections

### What subjects does Formulas + cover?

Formulas + covers mathematics, physics, chemistry, and technical subjects, aiming to be the most extensive formulary available in the app store for school-related topics.

### How does the search function in Formulas + work?

The app includes an integrated intelligent search function designed to make finding specific formulas quick and easy, saving users time.

### Can I get help with calculations in Formulas +?

Yes, Formulas + offers an innovative calculation function with detailed steps and commentary, available as an In-App Purchase, to assist users in finding the correct way to calculate.

### How can I suggest improvements or report errors in Formulas +?

Users can easily send suggestions or report mistakes by clicking the 'Suggestion send' button located on the top right of the particular formula page within the app.

### Is Formulas + available on Android devices?

Based on the provided data, Formulas + is supported on iPhone, iPad, and iPod. Information regarding Android compatibility is not available.

### How often is Formulas + updated?

The app was last updated on January 8, 2024, with the latest version being 2.2.6, indicating regular maintenance and updates.

### What is the age rating for Formulas +?

Formulas + has an age rating of 4+, making it suitable for a wide range of users, including younger students.

### Does Formulas + have ads?

No, the provided data indicates that Formulas + does not contain advertisements.

## Version history (last 5 releases)

### 2.2.6 — 2024-01-08

Bugfixes
+ Added support for negative numbers in calculation function for pq- and abc-formula.

### 2.2.5 — 2021-05-27

Optimized User Interface
+ Optimized support for all current devices.

Performance update
+ Updated components to latest version to increase performance and compatibility.

### 2.2.4 — 2020-09-23

iOS 13
- Added support for new features of iOS 13.
- Optimized UI for iPhone 11, iPhone 11 Pro Max

Migration fabric.io Crashlytics to Firebase Crashlytics
- To fix bugs faster, we've added Firebase Crashlytics from Firebase to this app. So in case of app crashes, we get notified anonymously. You can manage this in the iOS Settings app.

We thank you for the many submitted suggestions for improvement, which have contributed a large part to this update. We look forward to your feedback!
Much fun with this new version wishes the team of app-solutions.

### 2.2.3 — 2018-03-04

iPhone X
Added support for the new iPhone X.

fabric.io
- To fix bugs faster, we've added Crashlytics to this app. So in case the app crashes, we get notified anonymously.
- To improve Formulas + we're collecting anonymous data while you are using this app.

Bugs fixed, which got reported by our users
- Fixed a bug, that could crash Formulas +, by tapping a formular while searching.
- The rezension link is working correctly now.

Error elimination.

We thank you for the many submitted suggestions for improvement, which have contributed a large part to this update. We look forward to your feedback!

Much fun with this new version wishes the team of app-solutions.

### 2.2.2 — 2017-05-29

New Formulas
Mathematics: Geometry/Stereometry
- Ellipse

Reviews
- The Button "Write a Review" and the review alert window now takes you directly to the reviews page in the Apple App Store.

3D-Touch
- Fixed an error that could cause an empty formula list after the app was opened/used by 3D-Touch/Force-Touch.

Bugs fixed, which got reported by our users
- Mathematics: Added the number of π to the circle formula page.

Error elimination.

We thank you for the many submitted suggestions for improvement, which have contributed a large part to this update. We look forward to your feedback!

Much fun with this new version wishes the team of app-solutions.

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## Related topics

[runic formulas](https://appshunter.io/ios/topics/runic-formulas)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*