# SJ Commerce Classes vs Gomgom

The clearest difference is ads: SJ Commerce Classes at none against Gomgom's shown. Gomgom's advantage is update cadence (every 3 months vs every 15 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SJ Commerce Classes sells 10 one-off in-app purchases and Gomgom sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SJ Commerce Classes ships an update every 15 months, Gomgom every 3 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SJ Commerce Classes | Gomgom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 3 months** |
| Size | 146 MB | 92 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Euiseok Kim](https://appshunter.io/developer/1879633122) |

## What reviewers say

### SJ Commerce Classes

[App page](https://appshunter.io/ios/app/sj-commerce-classes/id6453169399)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - 2999 | $29.99 | one-time |
| Package - 2899 | $29.99 | one-time |
| Package - 3999 | $39.99 | one-time |
| Package - 9900 | $99.99 | one-time |
| Package - 12500 | $119.99 | one-time |
| Package - 11900 | $119.99 | one-time |
| Package - 14900 | $149.99 | one-time |
| Package - 15500 | $149.99 | one-time |
| Package - 15900 | $149.99 | one-time |
| Package - 20900 | $199.99 | one-time |


### Gomgom

[App page](https://appshunter.io/ios/app/gomgom-screen-free-reading/id6760247208)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fathom Premium Monthly | $4.99 | per month |


## Frequently asked questions

### Is SJ Commerce Classes free?

SJ Commerce Classes is free to download, with in-app purchases available.

### Is Gomgom free?

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

### Do SJ Commerce Classes or Gomgom have ads?

Gomgom shows ads; SJ Commerce Classes does not.

### Which is updated more often, SJ Commerce Classes or Gomgom?

SJ Commerce Classes ships an update every 15 months, and Gomgom every 3 months. Most recently, SJ Commerce Classes was updated on September 18, 2026 and Gomgom on September 20, 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.*