# WEG Data Viewer vs TBB AMOY

The clearest difference is update cadence: WEG Data Viewer at monthly against TBB AMOY's every 11 months. TBB AMOY's advantage is iOS requirement (13.0 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.

WEG Data Viewer ships an update monthly, TBB AMOY every 11 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | WEG Data Viewer | TBB AMOY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (27 ratings)](https://appshunter.io/ios/app/weg-data-viewer/id1576866018/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | Free | — |
| Size | 30 MB | 37 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [WEG Equipamentos Eletricos S/A](https://appshunter.io/developer/575847223) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## What reviewers say

### WEG Data Viewer

[App page](https://appshunter.io/ios/app/weg-data-viewer/id1576866018)

Access technical documents for WEG products, including data sheets, drawings, and manuals for electric motors, automation equipment, and ink. Easily search for specific information within a wide range of technical documentation.

**Highlights:** Search technical documents, Access data sheets, View drawings, Find manuals, Browse bulletins, Technical documentation for WEG products

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

**In-app purchases:** none


### TBB AMOY

[App page](https://appshunter.io/ios/app/tbb-amoy/id6752771283)

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

**In-app purchases:** none


## Frequently asked questions

### Is WEG Data Viewer free?

WEG Data Viewer is free to download, with no in-app purchases.

### Is TBB AMOY free?

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

### Do WEG Data Viewer or TBB AMOY have ads?

Neither WEG Data Viewer nor TBB AMOY shows ads.

### Which is updated more often, WEG Data Viewer or TBB AMOY?

WEG Data Viewer ships an update monthly, and TBB AMOY every 11 months. Most recently, WEG Data Viewer was updated on October 7, 2026 and TBB AMOY on October 7, 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.*