# iThermonitor vs Body Temperature Tracker

The clearest difference is rating: Body Temperature Tracker at 3.8 against iThermonitor's 2.7. Body Temperature Tracker also leads on update cadence (every 2 weeks vs every 2 months). iThermonitor's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. Body Temperature Tracker sells 3 in-app purchases, starting at $1.49 per month. iThermonitor asks for nothing beyond the download.

Body Temperature Tracker holds the better App Store score, 3.8 against 2.7. That said, the two scores are not equally well evidenced: iThermonitor has 310 ratings behind it against 14, 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 21% of Body Temperature Tracker's.

iThermonitor ships an update every 2 months, Body Temperature Tracker every 2 weeks. The most recent releases landed on October 3, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | iThermonitor | Body Temperature Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (310 ratings)](https://appshunter.io/ios/app/ithermonitor/id696637855/reviews) | **[3.8 (14 ratings)](https://appshunter.io/ios/app/body-temperature-tracker-log/id1510868337/reviews)** |
| Number of ratings | **310** | 14 |
| Positive reviews | 15.2% of reviews | **21.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#133** | — |
| Size | 53 MB | 56 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Raiing Medical Company](https://appshunter.io/developer/543439703) | [isao utsumi](https://appshunter.io/developer/800652888) |

## What reviewers say

### iThermonitor

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

**Currently charting:** #133 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


### Body Temperature Tracker

[App page](https://appshunter.io/ios/app/body-temperature-tracker-log/id1510868337)

Easily log and manage body temperature records with a calendar and graph view. Track multiple users, perfect for family health monitoring. Offers essential features for simple temperature management.

**Highlights:** Body temperature logging, Calendar view, Graph history, Multiple user support, No registration required, CSV export (Premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan 1 month | $1.49 | per month |
| Premium Plan 1 year | $8.49 | per year |
| Premium Plan (One-Time Purchase) | $14.99 | one-time |


## Frequently asked questions

### Is iThermonitor free?

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

### Is Body Temperature Tracker free?

Body Temperature Tracker is free to download, with in-app purchases available.

### Which has better reviews, iThermonitor or Body Temperature Tracker?

Body Temperature Tracker is rated higher. iThermonitor averages 2.7 out of 5 from 310 ratings, while Body Temperature Tracker averages 3.8 from 14 ratings.

### Do iThermonitor or Body Temperature Tracker have ads?

Body Temperature Tracker shows ads; iThermonitor does not.

### Which is updated more often, iThermonitor or Body Temperature Tracker?

iThermonitor ships an update every 2 months, and Body Temperature Tracker every 2 weeks. Most recently, iThermonitor was updated on October 3, 2026 and Body Temperature Tracker on September 11, 2026.

---

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