# RocketPD vs ZKFS

The clearest difference is in-app purchases: RocketPD at none against ZKFS's 1. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. ZKFS sells 1 one-off in-app purchase. RocketPD asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RocketPD against 5.0 for ZKFS. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RocketPD ships an update every 3 months, ZKFS every 2 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | RocketPD | ZKFS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rocketpd/id6477319222/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/zkfs/id6743095639/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 70 MB | 65 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [In Demand Group, LLC](https://appshunter.io/developer/1728940346) | [ZK Painting, LLC](https://appshunter.io/developer/1801292833) |

## What reviewers say

### RocketPD

[App page](https://appshunter.io/ios/app/rocketpd/id6477319222)

Access a personalized library of video courses and practical workbooks from K-12 education experts. Build professional confidence with flexible learning on topics like leadership, family engagement, and school culture.

**Highlights:** Personalized video course library, Downloadable practical learning workbooks, Content from top K-12 experts, Topics: leadership, engagement, wellness, Flexible learning schedule, Team access available

**In-app purchases:** none


### ZKFS

[App page](https://appshunter.io/ios/app/zkfs/id6743095639)

Master high-gloss painting techniques with expert-led courses and insider tips. This platform connects painters with a supportive community to refine their craft and grow their business. Ideal for both professionals and beginners seeking to elevate their skills.

**Highlights:** Expert-led courses, Step-by-step techniques, High-gloss finishes, Insider business tips, Supportive painter community, On-demand learning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fine Paints of Europe | $399.00 | one-time |


## Frequently asked questions

### Is RocketPD free?

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

### Is ZKFS free?

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

### Which has better reviews, RocketPD or ZKFS?

RocketPD and ZKFS are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do RocketPD or ZKFS have ads?

Neither RocketPD nor ZKFS shows ads.

### Which is updated more often, RocketPD or ZKFS?

RocketPD ships an update every 3 months, and ZKFS every 2 months. Most recently, RocketPD was updated on October 1, 2026 and ZKFS on October 1, 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.*