# AWWA Opcert Exam Prep vs Examzify

The clearest difference is review sentiment: Examzify at 86% against AWWA Opcert Exam Prep's 11%. Examzify also leads on rating (4.9 vs 4.5) and update cadence (every 3 weeks vs every 4 months). AWWA Opcert Exam Prep's advantage is iOS requirement (13.0 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. AWWA Opcert Exam Prep sells 6 one-off in-app purchases and Examzify sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Examzify holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 782 and 1.2K respectively. Written reviews point the same way: 11% of AWWA Opcert Exam Prep's written reviews are positive against 86% of Examzify's.

AWWA Opcert Exam Prep ships an update every 4 months, Examzify every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AWWA Opcert Exam Prep | Examzify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (782 ratings)](https://appshunter.io/ios/app/awwa-opcert-exam-prep/id1574553544/reviews) | **[4.9 (1.2K ratings)](https://appshunter.io/ios/app/examzify/id6479458396/reviews)** |
| Number of ratings | 782 | **1.2K** |
| Positive reviews | 10.5% of reviews | **86.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 94 MB | 71 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [American Water Works Association](https://appshunter.io/developer/591822962) | [Joshua Kaluba](https://appshunter.io/developer/1191090850) |

## What reviewers say

### AWWA Opcert Exam Prep

[App page](https://appshunter.io/ios/app/awwa-opcert-exam-prep/id1574553544)

Prepare for your water operator certification exam with a comprehensive study tool. Access thousands of practice questions, detailed explanations, and progress tracking. Master water treatment, distribution, and wastewater topics to advance your career.

**Highlights:** 2,800+ practice questions, Developed by industry professionals, Detailed answer explanations, Progress tracking and history charts, Filter questions by subject, Video clips for context

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AWWA - 6 Month Access | $29.99 | one-time |
| 6 months | $29.99 | one-time |
| 6 Month Non-Renewing Access | $29.99 | one-time |
| AWWA - 12 Month Access | $49.99 | one-time |
| 12 month access | $49.99 | one-time |
| 12 Month Non-Renewing Access | $49.99 | one-time |

**What reviewers like**

- ✅ Effective study tool for licensing exams
- 📚 Comprehensive question bank coverage
- 🌍 Study anywhere accessibility
- 💪 Helped users pass certification exams

**What reviewers complain about**

- 💰 High pricing ($30-40 for subscription)
- ❌ Many incorrect answers in question bank
- 📖 Lack of explanations for non-math questions
- 🔤 Small, unreadable formula text
- 🚫 Cannot revisit questions after marking 'I know'

**Reported bugs**

- Incorrect answers throughout question bank
- Explanations unrelated to presented problems
- Math problems with ambiguous rounding standards
- App navigation glitches
- Questions not aligned with actual certification exams

**Requested features**

- Explanations for all question types, not just math
- Ability to enlarge/zoom formulas and text
- Grade-level filtering for targeted studying
- Ability to revisit previously answered questions
- Better contact/support system for reporting errors


### Examzify

[App page](https://appshunter.io/ios/app/examzify/id6479458396)

Prepare for your exams with realistic practice tests, detailed explanations, and flashcards. Track your progress and identify areas for improvement across over 1,000 courses. Study efficiently anytime, anywhere.

**Highlights:** Realistic practice exams, Instant feedback and explanations, Flashcards for quick review, Smart progress tracking, Study anytime, anywhere, 1,000+ courses available

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Examzify Premium | $9.99 | per month |

**What reviewers like**

- 👍 Informative
- 👍 Easy and engaging
- 👍 Very helpful
- 👍 Great
- 👍 One stop shop

**What reviewers complain about**

- 🚫 Advertisement
- 🚫 poor product for the ACBIS
- 🚫 Pe exam review
- 🐛 Too many errors and zero tracking
- 🚫 Hate the adds

**Reported bugs**

- Paid for no advertisement Ads and still receive ads pop-up
- Even if you minimize, it will reset and you have to start over
- Wrong answers
- Some of the answers are wrong

**Requested features**

- Reference page for ICC practice q and a


## Frequently asked questions

### Is AWWA Opcert Exam Prep free?

AWWA Opcert Exam Prep is free to download, with in-app purchases available.

### Is Examzify free?

Examzify is free to download, with in-app purchases available.

### Which has better reviews, AWWA Opcert Exam Prep or Examzify?

Examzify is rated higher. AWWA Opcert Exam Prep averages 4.5 out of 5 from 782 ratings, while Examzify averages 4.9 from 1.2K ratings.

### Do AWWA Opcert Exam Prep or Examzify have ads?

Both AWWA Opcert Exam Prep and Examzify show ads.

### Which is updated more often, AWWA Opcert Exam Prep or Examzify?

AWWA Opcert Exam Prep ships an update every 4 months, and Examzify every 3 weeks. Most recently, AWWA Opcert Exam Prep was updated on November 3, 2026 and Examzify on November 4, 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.*