# iThermonitor vs Thermometer

The clearest difference is rating: Thermometer at 4.4 against iThermonitor's 2.7. Thermometer also leads on review sentiment (55% vs 15%). iThermonitor's advantage is in-app purchases (none vs 5) and ratings volume (310 vs 24). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thermometer sells 5 in-app purchases, starting at $6.99 per 7 days. iThermonitor asks for nothing beyond the download.

Thermometer holds the better App Store score, 4.4 against 2.7. That said, the two scores are not equally well evidenced: iThermonitor has 310 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 15% of iThermonitor's written reviews are positive against 55% of Thermometer's.

iThermonitor ships an update every 2 months, Thermometer monthly. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iThermonitor | Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (310 ratings)](https://appshunter.io/ios/app/ithermonitor/id696637855/reviews) | **[4.4 (24 ratings)](https://appshunter.io/ios/app/thermometer-body-temperature/id6462421353/reviews)** |
| Number of ratings | **310** | 24 |
| Positive reviews | 15.2% of reviews | **54.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#108** | — |
| Size | 53 MB | 34 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Raiing Medical Company](https://appshunter.io/developer/543439703) | [GT TRADE SIA](https://appshunter.io/developer/1709071084) |

## What reviewers say

### iThermonitor

[App page](https://appshunter.io/ios/app/ithermonitor/id696637855)

**Currently charting:** #108 Top Free · Medical (US App Store)

Continuously monitor your child's temperature with real-time data collection and analysis. Receive high temperature alerts and access expert fever management information. Track temperature trends and sync data with your health app for comprehensive care.

**Highlights:** 24/7 temperature monitoring, Real-time high temperature alerts, Temperature trend charting, Professional data analysis, Fever management information, Multi-child support, Health app integration

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

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate temperature readings when working properly
- 🛡️ Effective fever monitoring without disturbing sleep
- 📱 Remote monitoring capability (when functioning)
- 🔔 Customizable temperature alerts and notifications
- ⏱️ Long-term reliability for some users (5+ years)

**What reviewers complain about**

- ❌ Requires external hardware device not clearly disclosed
- 🔗 Broken purchase links and unavailable sensors
- 📉 Product appears discontinued or abandoned
- 🚫 Misleading app store description and marketing
- 🔌 Requires proximity to device (5-10 feet range)

**Reported bugs**

- App crashes immediately after login
- Cannot enter birthdate in profile setup
- Remote mirroring functionality broken after updates
- Device connection wheel spins indefinitely
- Password reset feature non-functional

**Requested features**

- Apple Watch native integration and complications
- Cloud synchronization and multi-device mirroring
- Expanded temperature range settings (below 95°F)
- Selective alert controls (high/low temperature separately)
- Data export in text/CSV format instead of images


### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-body-temperature/id6462421353)

Monitor key health indicators like body temperature, heart rate, blood pressure, and breathing frequency. Easily track family health records and export data for medical appointments. Measure pulse using your smartphone camera.

**Highlights:** Body temperature tracking, Heart rate measurement via camera, Blood pressure logging, Breathing frequency monitoring, Multi-profile family support, Medical data export (PDF)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermometer Full Access | $6.99 | per 7 days |
| Get Pro Access | $7.99 | per 7 days |
| Get Pro Access | $9.99 | per month |
| Get Pro Access | $39.99 | per year |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is iThermonitor free?

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

### Is Thermometer free?

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

### Which has better reviews, iThermonitor or Thermometer?

Thermometer is rated higher. iThermonitor averages 2.7 out of 5 from 310 ratings, while Thermometer averages 4.4 from 24 ratings.

### Do iThermonitor or Thermometer have ads?

Neither iThermonitor nor Thermometer shows ads.

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

iThermonitor ships an update every 2 months, and Thermometer monthly. Most recently, iThermonitor was updated on October 17, 2026 and Thermometer on October 3, 2026.

---

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