# Thermometer vs Temperature Checker

The clearest difference is review sentiment: Thermometer at 32% against Temperature Checker's 0%. Thermometer also leads on rating (4.6 vs 4.3) and ratings volume (408 vs 49). Temperature Checker's advantage is update cadence (daily vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Thermometer sells 6 in-app purchases, starting at $5.99 per 7 days and Temperature Checker sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Thermometer holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Thermometer has 408 ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 32% of Thermometer's written reviews are positive against 0% of Temperature Checker's.

Thermometer ships an update every 2 weeks, Temperature Checker daily. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Thermometer | Temperature Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (408 ratings)](https://appshunter.io/ios/app/thermometer-body-temperature/id6683301324/reviews)** | [4.3 (49 ratings)](https://appshunter.io/ios/app/temperature-checker/id6747943211/reviews) |
| Number of ratings | **408** | 49 |
| Positive reviews | **32.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [199 Developments Private Limited](https://appshunter.io/developer/1531051207) | [Mehmet Ali Demir](https://appshunter.io/developer/1631537417) |

## What reviewers say

### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-body-temperature/id6683301324)

Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.

**Highlights:** Temperature estimation without a thermometer, Apple Watch Series 8 sync for readings, High fever alerts, Blood pressure tracking and trend analysis, Custom health logs with notes, Apple Health sync, Shareable PDF reports

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week- Body Temperature Checker | $5.99 | per 7 days |
| Year Promo- Body Thermometer | $19.99 | per year |
| Year- Body Temperature Checker | $29.99 | per year |
| Yearly- Body Fever Checker | $29.99 | per year |
| Yearly - Thermometer + Blood Oxygen | $29.99 | per year |
| Lifetime- Body Fever Checker | $49.99 | one-time |

**What reviewers like**

- 🚀 Accurate temperature readings
- 👍 Helpful for tracking health issues
- 👍 Useful when no thermometer is available
- 👍 Reliable app with good support

**What reviewers complain about**

- 🐛 Inaccurate temperature readings
- 💰 Expensive subscription
- 🤖 Outdated user interface
- 🤔 Unclear free vs. premium features

**Reported bugs**

- Subscription issues and unexpected charges
- App not functioning as advertised

**Requested features**

- Option to default to Fahrenheit
- Ability to share breathing exercises
- Improved compatibility with newer devices


### Temperature Checker

[App page](https://appshunter.io/ios/app/temperature-checker/id6747943211)

Monitor your environment and personal well-being with this dual-purpose temperature tracker. It provides hyper-local weather forecasts and allows for quick logging of body temperature, offering insights into comfort and wellness.

**Highlights:** Dual temperature tracking (weather, room, body), Live weather forecasts, Smart profiles for family and friends, Trend charts for wellness changes, Data export (CSV, PDF, JSON), HealthKit backup (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Thermometer free?

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

### Is Temperature Checker free?

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

### Which has better reviews, Thermometer or Temperature Checker?

Thermometer is rated higher. Thermometer averages 4.6 out of 5 from 408 ratings, while Temperature Checker averages 4.3 from 49 ratings.

### Do Thermometer or Temperature Checker have ads?

Neither Thermometer nor Temperature Checker shows ads.

### Which is updated more often, Thermometer or Temperature Checker?

Thermometer ships an update every 2 weeks, and Temperature Checker daily. Most recently, Thermometer was updated on October 21, 2026 and Temperature Checker on October 23, 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.*