# Thermo vs STEADYTEMP Smart Thermometer

The clearest difference is review sentiment: STEADYTEMP Smart Thermometer at 100% against Thermo's 5%. STEADYTEMP Smart Thermometer also leads on in-app purchases (none vs 8) and ads (none vs shown). Thermo's advantage is update cadence (monthly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Thermo sells 8 in-app purchases, starting at $10.99 per month. STEADYTEMP Smart Thermometer asks for nothing beyond the download.

Thermo ships an update monthly, STEADYTEMP Smart Thermometer every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Thermo | STEADYTEMP Smart Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (98 ratings)](https://appshunter.io/ios/app/thermo-temperature-check-in/id1046767441/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 5.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Freemium | **Free** |
| Size | 90 MB | 83 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Daily Discovers](https://appshunter.io/developer/1408603176) | [SteadySense GmbH](https://appshunter.io/developer/1373747508) |

## What reviewers say

### Thermo

[App page](https://appshunter.io/ios/app/thermo-temperature-check-in/id1046767441)

Easily track family health by logging temperature changes and other vital signs. Create individual profiles to monitor each person's well-being over time with helpful charts and graphs. Set personalized reminders for consistent tracking and utilize voice input for added convenience.

**Highlights:** Family health tracking, Individual profiles, Temperature logging, Health dynamic graphs, Personalized reminders, Voice input, Apple Watch sync

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermo  - 1 Month no trial | $10.99 | per month |
| Thermo Premium | $12.99 | per month |
| Thermo Premium - 1 month | $12.99 | per month |
| Thermo - Digital Wellness | $18.99 | per 3 months |
| Thermo - Digital Wellness + | $19.99 | per month |
| Thermo Plus - 12 months | $27.99 | per year |
| 3 months subscription | $39.99 | per 3 months |
| 3 Month Subscription | $59.99 | per 3 months |


### 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


## Frequently asked questions

### Is Thermo free?

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

### Is STEADYTEMP Smart Thermometer free?

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

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

Thermo shows ads; STEADYTEMP Smart Thermometer does not.

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

Thermo ships an update monthly, and STEADYTEMP Smart Thermometer every 4 months. Most recently, Thermo was updated on November 2, 2026 and STEADYTEMP Smart Thermometer on November 3, 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.*