# STEADYTEMP Smart Thermometer vs Trailcast

The clearest difference is in-app purchases: STEADYTEMP Smart Thermometer at none against Trailcast's 2. Trailcast's advantage is update cadence (every 9 days vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Trailcast sells 2 in-app purchases, starting at $2.99 per month. STEADYTEMP Smart Thermometer asks for nothing beyond the download.

STEADYTEMP Smart Thermometer ships an update every 4 months, Trailcast every 9 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | STEADYTEMP Smart Thermometer | Trailcast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 83 MB | 9 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [SteadySense GmbH](https://appshunter.io/developer/1373747508) | [Simon Außerlechner](https://appshunter.io/developer/1818347068) |

## What reviewers say

### STEADYTEMP Smart Thermometer

[App page](https://appshunter.io/ios/app/steadytemp-smart-thermometer/id1504048457)

Continuously track body temperature and log symptoms with a sensor patch. Data syncs wirelessly to your phone, displaying temperature curves and allowing you to share your health history with your doctor. Ideal for monitoring illness, post-surgery recovery, and family health.

**Highlights:** Continuous temperature measurement, Automatic data sync via NFC, Symptom and medication logging, Shareable health history, Verified measurement accuracy, Radiation-free transmission

**Features:** Vision Pro support

**In-app purchases:** none


### Trailcast

[App page](https://appshunter.io/ios/app/trailcast-workout-and-analysis/id6764826705)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trailcast Pro Monthly | $2.99 | per month |
| Trailcast Pro Yearly | $17.99 | per year |


## Frequently asked questions

### Is STEADYTEMP Smart Thermometer free?

STEADYTEMP Smart Thermometer is free to download, with no in-app purchases.

### Is Trailcast free?

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

### Do STEADYTEMP Smart Thermometer or Trailcast have ads?

Neither STEADYTEMP Smart Thermometer nor Trailcast shows ads.

### Which is updated more often, STEADYTEMP Smart Thermometer or Trailcast?

STEADYTEMP Smart Thermometer ships an update every 4 months, and Trailcast every 9 days. Most recently, STEADYTEMP Smart Thermometer was updated on October 24, 2026 and Trailcast on October 20, 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.*