# TN vs Thermometer

The clearest difference is review sentiment: Thermometer at 81% against TN's 33%. Thermometer also leads on update cadence (every 5 weeks vs every 11 months). TN's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Thermometer sells 4 one-off in-app purchases. TN asks for nothing beyond the download.

TN ships an update every 11 months, Thermometer every 5 weeks. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | TN | Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (29 ratings)](https://appshunter.io/ios/app/thermometer-plus/id1568977443/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | 33.3% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 199 MB | 62 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rimes](https://appshunter.io/developer/1470204756) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### TN

[App page](https://appshunter.io/ios/app/tn-alert/id1559849577)

Receive timely weather alerts and advisories for specific areas based on forecasts. This app provides different sound notifications for various alert levels and can override silent mode for emergencies. Users can also submit feedback on flood risk alerts.

**Highlights:** Multi-hazard impact assessment, Weather forecast integration, Disseminates alerts and advisories, Customizable sound alerts for push notifications, Flood risk alerts with user feedback, Emergency alert override for silent mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-plus/id1568977443)

Displays real-time outdoor temperature, sensible temperature, humidity, and barometric pressure based on your current location. Get accurate meteorological data from nearby stations to plan your day.

**Highlights:** Outdoor temperature display, Sensible temperature, Humidity readings, Barometric pressure, Wind speed and direction, Location-based data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is TN free?

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

### Is Thermometer free?

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

### Do TN or Thermometer have ads?

Thermometer shows ads; TN does not.

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

TN ships an update every 11 months, and Thermometer every 5 weeks. Most recently, TN was updated on November 11, 2026 and Thermometer on November 13, 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.*