# John Knox Video Lectures vs E4B

The clearest difference is in-app purchases: John Knox Video Lectures at none against E4B's 3. E4B's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. E4B sells 3 in-app purchases, starting at $1.99 per month. John Knox Video Lectures asks for nothing beyond the download.

John Knox Video Lectures ships an update every 2 months, E4B monthly. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | John Knox Video Lectures | E4B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12 ratings)](https://appshunter.io/ios/app/john-knox-video-lectures/id1479863646/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 45 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Knox Institute Digital](https://appshunter.io/developer/1479863645) | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) |

## What reviewers say

### John Knox Video Lectures

[App page](https://appshunter.io/ios/app/john-knox-video-lectures/id1479863646)

This app provides video lectures and lessons on biblical and theological instruction. It aims to equip churches worldwide with educational resources, particularly those in developing regions, and is also suitable for individual study.

**Highlights:** Video lectures and lessons, Biblical and theological instruction, Equips churches worldwide, Suitable for individual enrichment, Resources for developing regions

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

**In-app purchases:** none


### E4B

[App page](https://appshunter.io/ios/app/e4b/id1599766670)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


## Frequently asked questions

### Is John Knox Video Lectures free?

John Knox Video Lectures is free to download, with no in-app purchases.

### Is E4B free?

E4B is free to download, with in-app purchases available.

### Do John Knox Video Lectures or E4B have ads?

Neither John Knox Video Lectures nor E4B shows ads.

### Which is updated more often, John Knox Video Lectures or E4B?

John Knox Video Lectures ships an update every 2 months, and E4B monthly. Most recently, John Knox Video Lectures was updated on October 25, 2026 and E4B on October 5, 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.*