# OMA vs UVATA产品查询系统

The clearest difference is update cadence: UVATA产品查询系统 at weekly against OMA's every 19 months. OMA's advantage is iOS requirement (10.0 vs 17.0). 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.

OMA ships an update every 19 months, UVATA产品查询系统 weekly. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OMA | UVATA产品查询系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Size | 11 MB | 7 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Huaruijie Technology CO.,LTD](https://appshunter.io/developer/1547428239) | [中山市依瓦塔光学有限公司](https://appshunter.io/developer/1801021586) |

## What reviewers say

### OMA

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

**Features:** macOS Compatibility

**In-app purchases:** none


### UVATA产品查询系统

[App page](https://appshunter.io/ios/app/uvata/id6743049098)

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

**In-app purchases:** none


## Frequently asked questions

### Is OMA free?

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

### Is UVATA产品查询系统 free?

UVATA产品查询系统 is free to download, with no in-app purchases.

### Do OMA or UVATA产品查询系统 have ads?

Neither OMA nor UVATA产品查询系统 shows ads.

### Which is updated more often, OMA or UVATA产品查询系统?

OMA ships an update every 19 months, and UVATA产品查询系统 weekly. Most recently, OMA was updated on October 3, 2026 and UVATA产品查询系统 on October 15, 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.*