# Wet Bulb Temperature Tracker vs Earth Exhibit

The clearest difference is ads: Wet Bulb Temperature Tracker at none against Earth Exhibit's shown. Earth Exhibit's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Wet Bulb Temperature Tracker ships an update every 4 days, Earth Exhibit every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Wet Bulb Temperature Tracker | Earth Exhibit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wet-bulb-temperature-tracker/id6783316363/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 134 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sameer Rajadnya](https://appshunter.io/developer/1749220190) | [John Holloway](https://appshunter.io/developer/6794733177) |

## What reviewers say

### Wet Bulb Temperature Tracker

[App page](https://appshunter.io/ios/app/wet-bulb-temperature-tracker/id6783316363)

This app tracks humid-heat conditions using Wet Bulb Globe Temperature (WBGT) to help you plan outdoor activities safely. It provides alerts, hourly timelines, and guidance based on risk levels.

**Highlights:** Wet Bulb Globe Temperature (WBGT) calculation, Humid-heat risk alerts, Hourly temperature timeline, Activity guidance by risk level, Manual calculation tool, Global city search

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Earth Exhibit

[App page](https://appshunter.io/ios/app/earth-exhibit/id6794733175)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wet Bulb Temperature Tracker free?

Wet Bulb Temperature Tracker is free to download, with no in-app purchases.

### Is Earth Exhibit free?

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

### Do Wet Bulb Temperature Tracker or Earth Exhibit have ads?

Earth Exhibit shows ads; Wet Bulb Temperature Tracker does not.

### Which is updated more often, Wet Bulb Temperature Tracker or Earth Exhibit?

Wet Bulb Temperature Tracker ships an update every 4 days, and Earth Exhibit every 8 days. Most recently, Wet Bulb Temperature Tracker was updated on October 24, 2026 and Earth Exhibit on October 25, 2026.

---

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