# The Data Channel vs Data Engineer Cert Prep

The clearest difference is iOS requirement: The Data Channel at 14.0 against Data Engineer Cert Prep's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. The Data Channel sells 2 in-app purchases, starting at $14.99 per month and Data Engineer Cert Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

The Data Channel ships an update every 6 weeks, Data Engineer Cert Prep every 2 months. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | The Data Channel | Data Engineer Cert Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-data-channel/id1588153677/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Subscription | — |
| Size | 24 MB | 1 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Andy Leonard Training, Inc.](https://appshunter.io/developer/1588153679) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## What reviewers say

### The Data Channel

[App page](https://appshunter.io/ios/app/the-data-channel/id1588153677)

Access educational content on data science and analytics through a subscription service. Learn at your own pace with flexible plan options and manage your subscription easily.

**Highlights:** Subscription-based learning, Flexible plan lengths, Manage subscriptions via iTunes, Free trial periods, Content for data professionals

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $14.99 | per month |
| Basic Annual | $149.99 | per year |


### Data Engineer Cert Prep

[App page](https://appshunter.io/ios/app/data-engineer-cert-prep/id6566170013)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 More Questions | $4.99 | one-time |


## Frequently asked questions

### Is The Data Channel free?

The Data Channel is free to download, with in-app purchases available.

### Is Data Engineer Cert Prep free?

Data Engineer Cert Prep is free to download, with in-app purchases available.

### Do The Data Channel or Data Engineer Cert Prep have ads?

Neither The Data Channel nor Data Engineer Cert Prep shows ads.

### Which is updated more often, The Data Channel or Data Engineer Cert Prep?

The Data Channel ships an update every 6 weeks, and Data Engineer Cert Prep every 2 months. Most recently, The Data Channel was updated on November 3, 2026 and Data Engineer Cert Prep on November 12, 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.*