# TAB Viewer 6715/6720 vs SCHMIDT® Sensor App

The clearest difference is update cadence: SCHMIDT® Sensor App at every 3 weeks against TAB Viewer 6715/6720's every 38 months. TAB Viewer 6715/6720's advantage is iOS requirement (10.0 vs 26.0). 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.

TAB Viewer 6715/6720 ships an update every 38 months, SCHMIDT® Sensor App every 3 weeks. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TAB Viewer 6715/6720 | SCHMIDT® Sensor App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tab-viewer-67156720/id1036172048/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 27 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHENYANG GOLDEN TECH PRECISION INSTRUMNET & EQUIPMENT CO.,LTD.](https://appshunter.io/developer/1035161175) | [Hahn-Schickard-Gesellschaft für angewandte Forschung e.V.](https://appshunter.io/developer/1686895358) |

## What reviewers say

### TAB Viewer 6715/6720

[App page](https://appshunter.io/ios/app/tab-viewer-67156720/id1036172048)

This application allows convenient control and data monitoring of specific instrument models via Bluetooth. It supports instrument control, real-time data monitoring, and data output, with dual language support for Chinese and English.

**Highlights:** Instrument control via Bluetooth, Real-time data monitoring, Record data output, Dual language support (Chinese, English), Compatible with iPhone, iPad, iPod touch

**Features:** macOS Compatibility

**In-app purchases:** none


### SCHMIDT® Sensor App

[App page](https://appshunter.io/ios/app/schmidt-sensor-app/id6751941102)

**In-app purchases:** none


## Frequently asked questions

### Is TAB Viewer 6715/6720 free?

TAB Viewer 6715/6720 is free to download, with no in-app purchases.

### Is SCHMIDT® Sensor App free?

SCHMIDT® Sensor App is free to download, with no in-app purchases.

### Do TAB Viewer 6715/6720 or SCHMIDT® Sensor App have ads?

Neither TAB Viewer 6715/6720 nor SCHMIDT® Sensor App shows ads.

### Which is updated more often, TAB Viewer 6715/6720 or SCHMIDT® Sensor App?

TAB Viewer 6715/6720 ships an update every 38 months, and SCHMIDT® Sensor App every 3 weeks. Most recently, TAB Viewer 6715/6720 was updated on October 3, 2026 and SCHMIDT® Sensor App on September 24, 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.*