# Redwoods — Virtual Instrument

> BLE temperature measurement with location tracking and alarm notifications. (iPhone/iPad app by ViewTool Inc.)

- Source: https://appshunter.io/ios/app/redwoods/id1048514380 (this page in markdown: same URL + `.md`)
- Developer: [ViewTool Inc](https://appshunter.io/developer/1507450281)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 61 MB
- Languages: English, Chinese
- Released: 2016-06-05
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/redwoods/id1048514380/reviews.md

## What is Redwoods?

Temperature measurement 

1.BLE4.0 discover temperature measurement device, auto connection.
2.Set temperatue threshold and sound alarm as well as email notification.

3.Based on LBS, record the geographical location information of the mobile device. Show testing dot map; 

4.Data calibration form is available.

5. Change app icon for virtual instruments.

## Key features

- BLE 4.0 temperature device discovery and auto-connection
- Temperature threshold setting with sound and email alarms
- Geographical location recording based on LBS
- Testing dot map visualization
- Data calibration form
- Customizable app icon

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/redwoods/id1048514380/reviews.md

### 5/5 — Testing temperature is good with cloud data storage feature

*2019-08-22, version 0.452*

like the feature of cloud data web page based usage

## Frequently asked questions about Redwoods

### Does Redwoods have ads?

The provided data does not specify if Redwoods contains advertisements. It is listed as a free application.

### What devices does Redwoods support?

Redwoods is available for iPhone, iPad, and iPod devices.

### How often is Redwoods updated?

The latest version of Redwoods was released on August 7, 2020. The app has not received an update since then.

### What is the age rating for Redwoods?

Redwoods has an age rating of 4+, making it suitable for a wide range of users.

### Can Redwoods record temperature data offline?

The app description focuses on BLE connectivity and location recording, implying an active connection is needed for real-time measurement and logging. Offline functionality for temperature measurement is not explicitly detailed.

### How does Redwoods handle data calibration?

Redwoods provides a data calibration form, allowing users to adjust or verify the accuracy of the temperature readings obtained from connected devices.

### What is the user rating for Redwoods?

Redwoods has a perfect rating of 5.0 stars based on one user review.

### How does Redwoods use location information?

Redwoods uses LBS (Location-Based Services) to record the geographical location of the mobile device when a temperature measurement is taken, displaying these points on a testing map.

## Version history (last 1 release)

### 0.479 — 2020-08-07

change app name and app icon.

## Apps similar to Redwoods

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Omni Relprev](https://appshunter.io/ios/app/omni-relprev/id1434690340) | — | Free | Utilities |
| [Redwoods Connect](https://appshunter.io/ios/app/redwoods-connect/id1474671455) | 4.8 (206) | Free | Utilities |
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## More apps by ViewTool Inc

- [WaterView](https://appshunter.io/ios/app/waterview/id1509024143)
- [Redwoods HY Temperature](https://appshunter.io/ios/app/redwoods-hy-temperature/id1526800427)

All apps by ViewTool Inc: https://appshunter.io/developer/1507450281

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*