# Thermometer vs Mountain Visibility Forecast

The clearest difference is review sentiment: Mountain Visibility Forecast at 100% against Thermometer's 17%. Mountain Visibility Forecast also leads on rating (5.0 vs 3.8) and in-app purchases (none vs 2). Thermometer's advantage is price (Free vs $1.99) and ratings volume (79 vs 4). On ads and device support there is nothing between them.

Thermometer is free to download; Mountain Visibility Forecast costs $1.99 up front. Thermometer sells 2 in-app purchases, starting at $1.99 per month. Mountain Visibility Forecast asks for nothing beyond the download.

Mountain Visibility Forecast holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Thermometer has 79 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 17% of Thermometer's written reviews are positive against 100% of Mountain Visibility Forecast's.

Thermometer ships an update every 9 days, Mountain Visibility Forecast every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Thermometer | Mountain Visibility Forecast |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.8 (79 ratings)](https://appshunter.io/ios/app/thermometer-digital-room/id6761693641/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mountain-visibility-forecast/id6810003955/reviews)** |
| Number of ratings | **79** | 4 |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | **Free** | Paid |
| Best chart rank | #177 | **#35** |
| Size | 26 MB | 76 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tirin](https://appshunter.io/developer/1665717789) | [Leah Gerber](https://appshunter.io/developer/1877454327) |

## What reviewers say

### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-digital-room/id6761693641)

**Currently charting:** #177 Top Free · Weather (US App Store)

This app transforms your smartphone into a precise digital thermometer. It displays real-time indoor room temperature, outdoor weather, and humidity levels with a classic retro interface. Customize themes and switch between Celsius and Fahrenheit for easy climate monitoring.

**Highlights:** Real-time room temperature, Outdoor weather updates, Indoor humidity monitoring, Detailed climate data (Max/Min temps), Retro digital LCD design, Customizable color themes, Celsius and Fahrenheit support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Thermometer Monthly | $1.99 | per month |
| Digital Thermometer Lifetime | $5.99 | one-time |


### Mountain Visibility Forecast

[App page](https://appshunter.io/ios/app/mountain-visibility-forecast/id6810003955)

**Currently charting:** #35 Top Paid · Weather (US App Store)

Get real-time and three-day forecasts for seven major mountains, including cloud cover, visibility, and smoke. Understand why a mountain is visible or obscured, and plan your viewing with sunrise/sunset predictions.

**Highlights:** Real-time mountain visibility status, Three-day hourly forecasts, Cloud cover and visibility details, Wildfire smoke detection, Sunrise and sunset predictions, Volcano status alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermometer free?

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

### Is Mountain Visibility Forecast free?

Mountain Visibility Forecast costs $1.99, with no in-app purchases.

### Which has better reviews, Thermometer or Mountain Visibility Forecast?

Mountain Visibility Forecast is rated higher. Thermometer averages 3.8 out of 5 from 79 ratings, while Mountain Visibility Forecast averages 5.0 from 4 ratings.

### Do Thermometer or Mountain Visibility Forecast have ads?

Neither Thermometer nor Mountain Visibility Forecast shows ads.

### Which is updated more often, Thermometer or Mountain Visibility Forecast?

Thermometer ships an update every 9 days, and Mountain Visibility Forecast every 3 days. Most recently, Thermometer was updated on November 5, 2026 and Mountain Visibility Forecast on November 6, 2026.

### Which is more popular, Thermometer or Mountain Visibility Forecast?

Thermometer currently peaks at #177 in the App Store charts, and Mountain Visibility Forecast at #35. Chart position reflects recent download velocity rather than total install base.

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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.*