# Electrochemistry vs CMRP Practice Questions

The clearest difference is price: CMRP Practice Questions at Free against Electrochemistry's $3.99. CMRP Practice Questions also leads on iOS requirement (13.0 vs 17.0). Electrochemistry's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

CMRP Practice Questions is free to download; Electrochemistry costs $3.99 up front. CMRP Practice Questions sells 3 one-off in-app purchases. Electrochemistry asks for nothing beyond the download.

## The numbers

| Metric | Electrochemistry | CMRP Practice Questions |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cmrp-practice-questions/id6758551271/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [Burak AYTAN](https://appshunter.io/developer/972442960) |

## What reviewers say

### Electrochemistry

[App page](https://appshunter.io/ios/app/electrochemistry/id1014920086)

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

**In-app purchases:** none


### CMRP Practice Questions

[App page](https://appshunter.io/ios/app/cmrp-practice-questions/id6758551271)

Prepare for the Certified Maintenance & Reliability Professional (CMRP) exam with domain-based practice questions and mock exams. Gain confidence with detailed explanations and track your progress to focus on key areas for success.

**Highlights:** Domain-based practice questions, Mock exams, Detailed explanations, Progress tracking, Credit-based access, Free sample questions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 CMRP Credits | $4.99 | one-time |
| 200 CMRP Credits | $14.99 | one-time |
| 1000 CMRP Credits | $39.99 | one-time |


## Frequently asked questions

### Is Electrochemistry free?

Electrochemistry costs $3.99, with no in-app purchases.

### Is CMRP Practice Questions free?

CMRP Practice Questions is free to download, with in-app purchases available.

### Do Electrochemistry or CMRP Practice Questions have ads?

Neither Electrochemistry nor CMRP Practice Questions 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.*