# PERC App vs ProQuiz PMI

The clearest difference is price: PERC App at Free against ProQuiz PMI's $9.99. PERC App also leads on rating (4.3 vs 3.5) and update cadence (every 10 days vs every 13 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PERC App is free to download; ProQuiz PMI costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PERC App holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 71% of PERC App's written reviews are positive against 50% of ProQuiz PMI's.

PERC App ships an update every 10 days, ProQuiz PMI every 13 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PERC App | ProQuiz PMI |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/perc-app/id1665062270/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/proquiz-pmi-acp/id6450837055/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 13 months |
| Monetization | Subscription | **Paid** |
| Size | 16 MB | 1 MB |
| Requires iOS | **14.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Stomp](https://appshunter.io/developer/1170051251) | [PM-ProSolutions, Inc.](https://appshunter.io/developer/1689288906) |

## What reviewers say

### PERC App

[App page](https://appshunter.io/ios/app/perc-app/id1665062270)

Access thousands of courses to enhance your professional skills. This application offers on-the-go learning opportunities specifically tailored for success in the Propane industry.

**Highlights:** Thousands of courses, Skill development, On-the-go learning, Propane industry focus, Subscription access

**Features:** macOS Compatibility

**In-app purchases:** none


### ProQuiz PMI

[App page](https://appshunter.io/ios/app/proquiz-pmi-acp/id6450837055)

Prepare for the PMI-ACP exam with over 300 practice questions and detailed feedback. Master Agile concepts through study and practice test modes, and track your progress across domains with insightful analytics. Includes flashcards and deep dives into various Agile methodologies.

**Highlights:** 300+ practice questions, Study and Practice Test modes, Detailed feedback on answers, Domain and task-wise analytics, Agile flashcards, Deep dives into Agile methodologies

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PERC App free?

PERC App is free to download, with no in-app purchases.

### Is ProQuiz PMI free?

ProQuiz PMI costs $9.99, with no in-app purchases.

### Which has better reviews, PERC App or ProQuiz PMI?

PERC App is rated higher. PERC App averages 4.3 out of 5 from 8 ratings, while ProQuiz PMI averages 3.5 from 2 ratings.

### Do PERC App or ProQuiz PMI have ads?

Neither PERC App nor ProQuiz PMI shows ads.

### Which is updated more often, PERC App or ProQuiz PMI?

PERC App ships an update every 10 days, and ProQuiz PMI every 13 months. Most recently, PERC App was updated on October 24, 2026 and ProQuiz PMI on October 14, 2026.

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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.*