# E4B vs engage.Babson

The clearest difference is in-app purchases: engage.Babson at none against E4B's 3. On price, update cadence, ads and device support there is nothing between them.

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

E4B ships an update monthly, engage.Babson every 3 weeks. The most recent releases landed on August 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | E4B | engage.Babson |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 46 MB | 61 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) | [Babson College](https://appshunter.io/developer/481771760) |

## What reviewers say

### 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 |


### engage.Babson

[App page](https://appshunter.io/ios/app/engagebabson/id6744154004)

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

**In-app purchases:** none


## Frequently asked questions

### Is E4B free?

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

### Is engage.Babson free?

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

### Do E4B or engage.Babson have ads?

Neither E4B nor engage.Babson shows ads.

### Which is updated more often, E4B or engage.Babson?

E4B ships an update monthly, and engage.Babson every 3 weeks. Most recently, E4B was updated on August 10, 2026 and engage.Babson on September 17, 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.*