# STJ79 vs OMA

The clearest difference is update cadence: STJ79 at every 4 months against OMA's every 19 months. OMA's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

STJ79 ships an update every 4 months, OMA every 19 months. The most recent releases landed on May 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | STJ79 | OMA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Size | 14 MB | 11 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亚男 杨](https://appshunter.io/developer/1485381560) | [Zhejiang Huaruijie Technology CO.,LTD](https://appshunter.io/developer/1547428239) |

## What reviewers say

### STJ79

[App page](https://appshunter.io/ios/app/stj79/id1485381561)

**Features:** macOS Compatibility

**In-app purchases:** none


### OMA

[App page](https://appshunter.io/ios/app/oma-web/id6444197960)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STJ79 free?

STJ79 is free to download, with no in-app purchases.

### Is OMA free?

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

### Do STJ79 or OMA have ads?

Neither STJ79 nor OMA shows ads.

### Which is updated more often, STJ79 or OMA?

STJ79 ships an update every 4 months, and OMA every 19 months. Most recently, STJ79 was updated on May 13, 2026 and OMA on September 16, 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.*