# ZEMYD vs NCSF CPT Exam by Rocket Prep

The clearest difference is in-app purchases: ZEMYD at none against NCSF CPT Exam by Rocket Prep's 6. ZEMYD also leads on update cadence (every 5 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NCSF CPT Exam by Rocket Prep sells 6 in-app purchases, starting at $7.99 per 7 days. ZEMYD asks for nothing beyond the download.

ZEMYD ships an update every 5 weeks, NCSF CPT Exam by Rocket Prep every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ZEMYD | NCSF CPT Exam by Rocket Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ncsf-cpt-exam-by-rocket-prep/id6752014172/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 49 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Muhammad Zuhair Ali](https://appshunter.io/developer/1586674818) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### ZEMYD

[App page](https://appshunter.io/ios/app/zemyd/id1586674816)

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

**In-app purchases:** none


### NCSF CPT Exam by Rocket Prep

[App page](https://appshunter.io/ios/app/ncsf-cpt-exam-by-rocket-prep/id6752014172)

Prepare for your NCSF Certified Personal Trainer exam with this comprehensive study tool. It offers a vast question bank, detailed explanations, customizable study modes, and progress tracking to help you master fitness concepts and advance your career.

**Highlights:** Extensive question bank, Detailed explanations for answers, Customizable study modes, Progress tracking and analytics, Expert-led review resources, Active learning tools, Offline access

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CPT Weekly Full Access | $7.99 | per 7 days |
| CPT Monthly Full Access | $17.99 | per month |
| CPT Monthly Full Access | $17.99 | per month |
| NCSF_CPT_mock_tries_1 | $4.99 | one-time |
| NCSF_CPT_mock_tries_3 | $9.99 | one-time |
| NCSF_CPT_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is ZEMYD free?

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

### Is NCSF CPT Exam by Rocket Prep free?

NCSF CPT Exam by Rocket Prep is free to download, with in-app purchases available.

### Do ZEMYD or NCSF CPT Exam by Rocket Prep have ads?

Neither ZEMYD nor NCSF CPT Exam by Rocket Prep shows ads.

### Which is updated more often, ZEMYD or NCSF CPT Exam by Rocket Prep?

ZEMYD ships an update every 5 weeks, and NCSF CPT Exam by Rocket Prep every 7 months. Most recently, ZEMYD was updated on October 24, 2026 and NCSF CPT Exam by Rocket Prep on October 25, 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.*