# KREA eLibrary vs SJ Commerce Classes

The clearest difference is in-app purchases: KREA eLibrary at none against SJ Commerce Classes's 10. KREA eLibrary also leads on update cadence (every 4 months vs every 15 months). On price, ads, 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. KREA eLibrary asks for nothing beyond the download.

KREA eLibrary ships an update every 4 months, SJ Commerce Classes every 15 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KREA eLibrary | SJ Commerce Classes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Size | 70 MB | 146 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Refread Solutions Private Limited](https://appshunter.io/developer/1495104123) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### KREA eLibrary

[App page](https://appshunter.io/ios/app/krea-elibrary/id1515758977)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is KREA eLibrary free?

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

### Is SJ Commerce Classes free?

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

### Do KREA eLibrary or SJ Commerce Classes have ads?

Neither KREA eLibrary nor SJ Commerce Classes shows ads.

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

KREA eLibrary ships an update every 4 months, and SJ Commerce Classes every 15 months. Most recently, KREA eLibrary was updated on October 15, 2026 and SJ Commerce Classes 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.*