# Thermometer vs Room Thermometer

The clearest difference is ads: Thermometer at none against Room Thermometer's shown. Room Thermometer's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and chart position there is nothing between them.

Both are free to download. Thermometer sells 2 in-app purchases, starting at $1.99 per month and Room Thermometer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Thermometer ships an update every 9 days, Room Thermometer weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Thermometer | Room Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (79 ratings)](https://appshunter.io/ios/app/thermometer-digital-room/id6761693641/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Best chart rank | #172 | **#128** |
| Size | 26 MB | 94 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +9 |
| Developer | [Tirin](https://appshunter.io/developer/1665717789) | [IOBits Technologies LLC](https://appshunter.io/developer/1810390680) |

## What reviewers say

### Thermometer

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

**Currently charting:** #172 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 |


### Room Thermometer

[App page](https://appshunter.io/ios/app/room-thermometer-temperature/id6783316018)

**Currently charting:** #128 Top Free · Weather (US App Store)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermometer Room Checker | $4.99 | per 7 days |
| Room Temprature | $14.99 | per month |
| Room Temprature | $39.99 | per year |


## Frequently asked questions

### Is Thermometer free?

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

### Is Room Thermometer free?

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

### Do Thermometer or Room Thermometer have ads?

Room Thermometer shows ads; Thermometer does not.

### Which is updated more often, Thermometer or Room Thermometer?

Thermometer ships an update every 9 days, and Room Thermometer weekly. Most recently, Thermometer was updated on November 5, 2026 and Room Thermometer on November 5, 2026.

### Which is more popular, Thermometer or Room Thermometer?

Thermometer currently peaks at #172 in the App Store charts, and Room Thermometer at #128. 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.*