# Thermostat Controller vs WhisperBar

The clearest difference is in-app purchases: Thermostat Controller at none against WhisperBar's 2. Thermostat Controller also leads on iOS requirement (16.0 vs 18.5). WhisperBar's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. WhisperBar sells 2 in-app purchases, starting at $3.99 per month. Thermostat Controller asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Thermostat Controller against 5.0 for WhisperBar. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Thermostat Controller ships an update weekly, WhisperBar every 11 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Thermostat Controller | WhisperBar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/thermostat-controller/id6502414185/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/whisperbar/id6753730407/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | **Free** | Subscription |
| Size | 5 MB | 1 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [JASON QUARTZ](https://appshunter.io/developer/1745379151) | [SunSed](https://appshunter.io/developer/1653710144) |

## What reviewers say

### Thermostat Controller

[App page](https://appshunter.io/ios/app/thermostat-controller/id6502414185)

Monitor and adjust your Venstar thermostat's temperature, humidity, and fan settings directly from your phone. View current and historical runtime data. Receive optional notifications for state changes.

**Highlights:** View current temperature and humidity, Adjust set temperature, Change heating/cooling mode, Control fan settings, Monitor daily runtime history, Optional state change notifications

**In-app purchases:** none


### WhisperBar

[App page](https://appshunter.io/ios/app/whisperbar/id6753730407)

Record your voice and receive both raw and AI-polished text. This tool enhances grammar, punctuation, and formatting for clear communication. It prioritizes user privacy by processing audio in memory and deleting it immediately.

**Highlights:** Original and AI-polished text output, AI-powered grammar and punctuation correction, Custom keywords for accurate transcription, Swipe to copy text, Offline recording capability, Universal app for iPhone and Mac

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhisperBar Monthly | $3.99 | per month |
| WhisperBar Yearly | $39.99 | per year |


## Frequently asked questions

### Is Thermostat Controller free?

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

### Is WhisperBar free?

WhisperBar is free to download, with in-app purchases available.

### Which has better reviews, Thermostat Controller or WhisperBar?

Thermostat Controller and WhisperBar are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Thermostat Controller or WhisperBar have ads?

Neither Thermostat Controller nor WhisperBar shows ads.

### Which is updated more often, Thermostat Controller or WhisperBar?

Thermostat Controller ships an update weekly, and WhisperBar every 11 days. Most recently, Thermostat Controller was updated on November 4, 2026 and WhisperBar on November 5, 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.*