# Tempi vs Weather Charm

The clearest difference is review sentiment: Weather Charm at 100% against Tempi's 22%. Weather Charm also leads on update cadence (every 2 days vs every 2 months). Tempi's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Weather Charm sells 6 in-app purchases, starting at $1.99 per month. Tempi asks for nothing beyond the download.

Tempi ships an update every 2 months, Weather Charm every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tempi | Weather Charm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (10 ratings)](https://appshunter.io/ios/app/tempi-smart-sensor/id1255394347/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 22.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 47 MB | 139 MB |
| Requires iOS | **9.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tahmo, Inc.](https://appshunter.io/developer/1255394346) | [GlobalCharm](https://appshunter.io/developer/6808527852) |

## What reviewers say

### Tempi

[App page](https://appshunter.io/ios/app/tempi-smart-sensor/id1255394347)

This app connects to a Bluetooth device to accurately measure and display temperature and humidity on your smartphone. Track your environment at home or on the go, monitor multiple locations, and receive alerts for custom limits. Data can be exported for analysis.

**Highlights:** Real-time temperature and humidity readings, Map tracking for outdoor activities, Monitor unlimited locations, Graph history up to one month, Export data to CSV, Customizable temperature/humidity alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Weather Charm

[App page](https://appshunter.io/ios/app/weather-charm-mood-diary/id6808527850)

This app provides current weather forecasts and unique collectible characters that appear based on the weather conditions. Users can decorate a virtual room with their collected characters and record daily moods alongside weather data.

**Highlights:** Real-time weather forecasts, Weather-dependent collectible characters, Virtual room decoration, Daily mood and journal logging, Home and lock screen widgets, Travel destination weather alerts (Premium)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |
| 100 Dew | $0.99 | one-time |
| 350 Dew | $2.99 | one-time |
| 1,200 Dew | $7.99 | one-time |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is Tempi free?

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

### Is Weather Charm free?

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

### Do Tempi or Weather Charm have ads?

Neither Tempi nor Weather Charm shows ads.

### Which is updated more often, Tempi or Weather Charm?

Tempi ships an update every 2 months, and Weather Charm every 2 days. Most recently, Tempi was updated on November 2, 2026 and Weather Charm on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*