# iThermonitor vs Kinsa

The clearest difference is rating: Kinsa at 4.8 against iThermonitor's 2.7. Kinsa also leads on review sentiment (51% vs 15%) and ratings volume (45K vs 310). iThermonitor's advantage is monetization model (free vs free with in-app purchases) and chart position (#160 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Kinsa holds the better App Store score, 4.8 against 2.7. That said, the two scores are not equally well evidenced: Kinsa has 45K ratings behind it against 310, 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 51% of Kinsa's.

iThermonitor ships an update every 2 months, Kinsa monthly. Both last shipped on October 3, 2026.

## The numbers

| Metric | iThermonitor | Kinsa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (310 ratings)](https://appshunter.io/ios/app/ithermonitor/id696637855/reviews) | **[4.8 (45K ratings)](https://appshunter.io/ios/app/kinsa/id1469151284/reviews)** |
| Number of ratings | 310 | **45K** |
| Positive reviews | 15.2% of reviews | **50.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#160** | — |
| Size | 53 MB | 53 MB |
| Requires iOS | **10.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Raiing Medical Company](https://appshunter.io/developer/543439703) | [Transform Health Inc.](https://appshunter.io/developer/685593253) |

## What reviewers say

### iThermonitor

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

**Currently charting:** #160 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


### Kinsa

[App page](https://appshunter.io/ios/app/kinsa/id1469151284)

Track family health, symptoms, and temperatures to receive personalized care guidance. This app helps you remember crucial details for recovery and doctor visits, integrating with HealthKit for seamless data sharing.

**Highlights:** Age-specific fever and symptom guidance, Temperature, symptom, and medication tracking, Family member health profiles, Caregiver and doctor sharing, HealthKit and Health app integration, Recovery tips and comfort advice

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and accurate temperature readings
- 📊 Helpful health tracking and recommendations
- 🤖 Useful app integration with thermometer
- 🤒 Effective for monitoring sick family members

**What reviewers complain about**

- 🐛 Connectivity issues with app and thermometer
- 🔍 Overly complex setup process
- 🕰️ Slow app performance and frequent crashes
- 🔒 Privacy concerns with data collection

**Reported bugs**

- App fails to save temperature readings
- Thermometer disconnects from app unexpectedly
- Inconsistent temperature readings across devices
- Login issues and data loss on new device setup

**Requested features**

- Ability to manually enter temperatures without app
- Option to customize symptom and medication tracking
- Improved data export and history retention
- Integration with other health tracking platforms


## Frequently asked questions

### Is iThermonitor free?

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

### Is Kinsa free?

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

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

Kinsa is rated higher. iThermonitor averages 2.7 out of 5 from 310 ratings, while Kinsa averages 4.8 from 45K ratings.

### Do iThermonitor or Kinsa have ads?

Neither iThermonitor nor Kinsa shows ads.

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

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