# Professional Maintenance Prep vs CMRP Maintenance Reliability

The clearest difference is iOS requirement: CMRP Maintenance Reliability at 13.0 against Professional Maintenance Prep's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Professional Maintenance Prep sells 9 in-app purchases, starting at $8.99 per 7 days and CMRP Maintenance Reliability sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Professional Maintenance Prep | CMRP Maintenance Reliability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/professional-maintenance-prep/id6754882293/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Professional Maintenance Prep

[App page](https://appshunter.io/ios/app/professional-maintenance-prep/id6754882293)

Prepare for the Certified Maintenance & Reliability Professional exam with expert-crafted questions, realistic simulations, and detailed explanations. Track your progress and customize study plans to master essential knowledge and skills for career advancement.

**Highlights:** Expertly crafted practice questions, Realistic timed exam simulations, Detailed explanations for each question, Customizable study plans, Progress tracking and analytics, Regular content updates, Interactive learning tools

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mainten Weekly Full Access | $8.99 | per 7 days |
| Mainten Monthly Full Access | $24.99 | per month |
| Mainten Monthly Full Access | $24.99 | per month |
| Mainten Quarterly Full Access | $55.99 | per 3 months |
| Mainten Quarterly Full Access | $55.99 | per 3 months |
| Mainten Semiannual Full Access | $75.99 | per 6 months |
| Mainten Semiannual Full Access | $75.99 | per 6 months |
| Mainten Annual Full Access | $109.99 | per year |
| Mainten Annual Full Access | $109.99 | per year |


### CMRP Maintenance Reliability

[App page](https://appshunter.io/ios/app/cmrp-maintenance-reliability/id6782452843)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Certified Maintenance & Reliab | $6.99 | per 7 days |
| Certified Maintenance & Reliab | $16.99 | per month |
| Certified Maintenance & Reliab | $69.99 | one-time |


## Frequently asked questions

### Is Professional Maintenance Prep free?

Professional Maintenance Prep is free to download, with in-app purchases available.

### Is CMRP Maintenance Reliability free?

CMRP Maintenance Reliability is free to download, with in-app purchases available.

### Do Professional Maintenance Prep or CMRP Maintenance Reliability have ads?

Neither Professional Maintenance Prep nor CMRP Maintenance Reliability 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.*