# Inorganic Acids, Ions & Salts — Inorganic Chemistry Quiz

> Inorganic chemistry quiz app for learning acids, ions, and salts. (iPhone/iPad app by Andrey Solovyev.)

- Source: https://appshunter.io/ios/app/inorganic-acids-ions-and-salts/id814622099 (this page in markdown: same URL + `.md`)
- Developer: [Andrey Solovyev](https://appshunter.io/developer/655223913)
- Category: Games, Education, Word
- Price: $0.99 with in-app purchases
- Rating: 4.10/5 from 26 App Store ratings · 15 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 15 MB
- Languages: American English, Danish, French (France), German (Germany), Italian, European Portuguese, Russian, European Spanish, Swedish
- Released: 2014-02-25
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/inorganic-acids-ions-and-salts/id814622099/reviews.md

## What is Inorganic Acids, Ions & Salts?

Learn names and formulas of all important inorganic acids, polyatomic ions and their salts. An app is suitable for everyone: from high school students to chemistry professors.
Take a quiz or use the table as a reference.

* 70+ inorganic acids: from Sulfuric H2SO4 to Hydrazoic HN3.
* 50+ anions and cations: from Chloride Cl(-) to Hydrazinium N2H5(+).
* 50+ salts: from Potassium nitrate KNO3 to Ammonium hexachloroplatinate (NH4)2PtCl6.

Choose the game mode: 
* Spelling quizzes.
* Multiple-choice questions (with 4 or 6 answer options).
* Time game (give as many answers as you can in 1 minute).
A learning mode:
* Tables.

The app is translated into 9 languages, including English, German, French, and many others. So you can learn the names of the acids and ions in any of them.

This app is ideal for those studying inorganic chemistry.

## Key features

- Learn inorganic acids, ions, and salts
- Spelling quizzes
- Multiple-choice questions
- Timed quizzes
- Reference tables
- Translated into 9 languages

## Pricing and in-app purchases

Base price: $0.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | Free | one-time |
| Unlimited Hints | $2.99 | one-time |


## Chart rankings

- #31 in Top Paid · Word (US App Store)

## Recent user reviews (10 of 15)

All indexed reviews: https://appshunter.io/ios/app/inorganic-acids-ions-and-salts/id814622099/reviews.md

### 5/5 — Sehr Hit

*2023-08-30*

Gut

**Developer response:** Danke

### 5/5 — Не почувствовал

*2023-04-29*

Слишком легко

### 5/5 — Aprendi tudo que precisava!

*2019-08-24*

Simplesmente o melhor aplicativo pra aprender a decorar e identificar tipos de ácidos, quantidade de átomos, TUDO, com 2 semanas usando eu aprendi a associar a nomenclatura da química, VALEU! ⭐️⭐️⭐️⭐️⭐️

### 5/5 — Macht Spaß

*2019-08-15*

Gut zum Üben und die Werbung ist nicht zu aufdringlich. Sehr zu empfehlen!

### 5/5 — Muito bom

*2018-12-23*

Ótimo para relembrar fundamentos e fixar os conhecimentos sobre ácidos, bases e sais

### 5/5 — Sehr gut zum üben

*2016-08-27*

Geil

### 5/5 — It doesn't contain viruses

*2015-12-26*

I've had this app for a couple of months and nothing. No issues, my only complain is that once in a while it'll stop what you're doing and give you an ad, but then again it's FREE! 
No issues, not crashes, no worries. 
It's great review if you're going to take chemistry 1

### 4/5 — Não está de acordo com IUPAC

*2015-11-07*

Muito bom para decorar, porém Não está de acordo com IUPAC.

### 5/5 — Muito bom!

*2015-08-08*

Me ajudou bastante, recomendo!

### 4/5 — Bem bom

*2015-07-27*

Divertido e ótimo pra fixar a nomenclatura.

## Frequently asked questions about Inorganic Acids, Ions & Salts

### What inorganic acids does Inorganic Acids, Ions & Salts cover?

Inorganic Acids, Ions & Salts covers over 70 inorganic acids, ranging from common ones like Sulfuric acid (H2SO4) to less common ones like Hydrazoic acid (HN3).

### What types of ions and salts can I learn about?

The app includes over 50 anions and cations, such as Chloride (Cl-) and Hydrazinium (N2H5+), as well as over 50 salts, from Potassium nitrate (KNO3) to Ammonium hexachloroplatinate ((NH4)2PtCl6).

### What are the different quiz modes available in Inorganic Acids, Ions & Salts?

You can choose from spelling quizzes, multiple-choice questions with 4 or 6 options, and a timed game mode where you aim to answer as many questions as possible in one minute.

### Does Inorganic Acids, Ions & Salts offer a learning mode?

Yes, there is a learning mode that provides tables for reference, allowing users to study the names and formulas of inorganic acids, ions, and salts.

### Is Inorganic Acids, Ions & Salts available in multiple languages?

Yes, the app is translated into 9 languages, including English, German, and French, enabling users to learn chemistry terms in their preferred language.

### What devices is Inorganic Acids, Ions & Salts compatible with?

Inorganic Acids, Ions & Salts is compatible with iPhone, iPad, and iPod devices.

### How often is Inorganic Acids, Ions & Salts updated?

The latest version of Inorganic Acids, Ions & Salts is 2.0, which was released on September 18, 2017. The app was initially released on February 25, 2014.

### What is the price of Inorganic Acids, Ions & Salts?

Inorganic Acids, Ions & Salts is a paid app priced at $0.99.

## Version history (last 5 releases)

### 2.0 — 2017-09-18

This update from Apple will improve the functionality of this app. No new features are included.

- Now all questions and game modes are free and available immediately.
- Many new features (tables, stars) and improvements in game mechanics.
- Translation into Danish language.

### 1.3 — 2014-06-17

- All acids and ions are available for free, including the "Difficult" mode

### 1.2 — 2014-03-31

- Minor bugs fixes

### 1.1 — 2014-03-25

- 30 acids and 30 ions/salts are available for FREE for those who solved Acids 101 and Ions 101
- German, Spanish, Italian, Portuguese, French, and Swedish Localizations

### 1.0 — 2014-02-25

No release notes.

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## More apps by Andrey Solovyev

- [Hydrocarbons Chemical Formulas](https://appshunter.io/ios/app/hydrocarbons-chemical-formulas/id795112525)
- [Heterocyclic Compounds: Names of Heterocycles Quiz](https://appshunter.io/ios/app/heterocyclic-compounds-names-of-heterocycles-quiz/id804061355)
- [Elements & Periodic Table Quiz](https://appshunter.io/ios/app/elements-and-periodic-table-quiz/id828776855)
- [Greek Letters and Alphabet 2](https://appshunter.io/ios/app/greek-letters-and-alphabet-2/id834706017)
- [Carboxylic Acids and Esters](https://appshunter.io/ios/app/carboxylic-acids-and-esters/id837892461)

All apps by Andrey Solovyev: https://appshunter.io/developer/655223913

## Related topics

[inorganic](https://appshunter.io/ios/topics/inorganic) · [acid base salt practice](https://appshunter.io/ios/topics/acid-base-salt-practice)

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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 2026-08-24.*