# SynQuiz vs Test Prep for LEED AP BD+C

The clearest difference is rating: Test Prep for LEED AP BD+C at 3.5 against SynQuiz's 1.6. Test Prep for LEED AP BD+C also leads on update cadence (every 3 months vs every 31 months). SynQuiz's advantage is in-app purchases (none vs 9) and ratings volume (7 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Test Prep for LEED AP BD+C sells 9 in-app purchases, starting at $8.99 per 7 days. SynQuiz asks for nothing beyond the download.

Test Prep for LEED AP BD+C holds the better App Store score, 3.5 against 1.6. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

SynQuiz ships an update every 31 months, Test Prep for LEED AP BD+C every 3 months. The most recent releases landed on October 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SynQuiz | Test Prep for LEED AP BD+C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (7 ratings)](https://appshunter.io/ios/app/synquiz/id960687121/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/test-prep-for-leed-ap-bd-plus-c/id6544802871/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 58 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radboud University Nijmegen](https://appshunter.io/developer/624561804) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### SynQuiz

[App page](https://appshunter.io/ios/app/synquiz/id960687121)

Explore the fascinating world of synaesthesia with playful tests designed to reveal if you experience interconnected senses. Discover if your grapheme-colour synaesthesia aligns with ongoing genetic research and potentially contribute to scientific studies.

**Highlights:** Four playful synaesthesia tests, Grapheme-colour synaesthesia assessment, Application for genetic studies, Test scores sharing, English, German, and Dutch languages

**Features:** macOS Compatibility

**In-app purchases:** none


### Test Prep for LEED AP BD+C

[App page](https://appshunter.io/ios/app/test-prep-for-leed-ap-bd-plus-c/id6544802871)

Prepare for the LEED AP BD+C certification exam with a comprehensive test prep app. It offers an extensive question bank, detailed explanations, progress tracking, and simulated exams to help you master green building practices and sustainable design.

**Highlights:** Up-to-date content, Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LEED BD+C Weekly Full Access | $8.99 | per 7 days |
| LEED BD Monthly Full Access | $24.99 | per month |
| LEED BD+C Monthly Full Access | $24.99 | per month |
| LEED BD Quarterly Full Access | $59.99 | per 3 months |
| LEED BD Quarterly Full Access | $59.99 | per 3 months |
| LEED BD Semiannual Full Access | $75.99 | per 6 months |
| LEED BD Semiannual Full Access | $79.99 | per 6 months |
| LEED BD Annual Full Access | $109.99 | per year |
| LEED BD Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is SynQuiz free?

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

### Is Test Prep for LEED AP BD+C free?

Test Prep for LEED AP BD+C is free to download, with in-app purchases available.

### Which has better reviews, SynQuiz or Test Prep for LEED AP BD+C?

Test Prep for LEED AP BD+C is rated higher. SynQuiz averages 1.6 out of 5 from 7 ratings, while Test Prep for LEED AP BD+C averages 3.5 from 2 ratings.

### Do SynQuiz or Test Prep for LEED AP BD+C have ads?

Neither SynQuiz nor Test Prep for LEED AP BD+C shows ads.

### Which is updated more often, SynQuiz or Test Prep for LEED AP BD+C?

SynQuiz ships an update every 31 months, and Test Prep for LEED AP BD+C every 3 months. Most recently, SynQuiz was updated on October 9, 2026 and Test Prep for LEED AP BD+C on September 23, 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.*