# Acid Base Salt Practice vs Relativity Simulator

The clearest difference is iOS requirement: Acid Base Salt Practice at 13.0 against Relativity Simulator's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Acid Base Salt Practice | Relativity Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acid-base-salt-practice/id6759965636/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 27 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Manish Kumar](https://appshunter.io/developer/1854995154) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### Acid Base Salt Practice

[App page](https://appshunter.io/ios/app/acid-base-salt-practice/id6759965636)

This educational app offers structured practice for NEET and JEE exams in acid-base chemistry and ionic equilibrium. It features chapter-wise quizzes, mock tests, and daily practice questions with performance tracking to aid systematic revision and exam preparation.

**Highlights:** Chapter-wise practice quizzes, Mock tests for full syllabus, Daily quiz for revision, Performance statistics, NEET & JEE aligned syllabus, Distraction-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Relativity Simulator

[App page](https://appshunter.io/ios/app/relativity-simulator/id6811289729)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acid Base Salt Practice free?

Acid Base Salt Practice is free to download, with no in-app purchases.

### Is Relativity Simulator free?

Relativity Simulator is free to download, with no in-app purchases.

### Do Acid Base Salt Practice or Relativity Simulator have ads?

Neither Acid Base Salt Practice nor Relativity Simulator shows ads.

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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.*