# Temperature Converter vs TemperatureConverterY

The clearest difference is in-app purchases: TemperatureConverterY at none against Temperature Converter's 3. TemperatureConverterY also leads on review sentiment (100% vs 91%) and iOS requirement (8.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Temperature Converter sells 3 one-off in-app purchases. TemperatureConverterY asks for nothing beyond the download.

Temperature Converter ships an update every 6 months, TemperatureConverterY every 7 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Temperature Converter | TemperatureConverterY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.3K ratings)](https://appshunter.io/ios/app/temperature-converter/id449608609/reviews)** | — |
| Number of ratings | **6.3K** | — |
| Positive reviews | 91.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 11 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Yoshiaki Onishi](https://appshunter.io/developer/852893746) |

## What reviewers say

### Temperature Converter

[App page](https://appshunter.io/ios/app/temperature-converter/id449608609)

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

**Highlights:** Celsius conversion, Fahrenheit conversion, Kelvin conversion, User-friendly interface, Ad removal option

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Reduced | $0.99 | one-time |
| Upgrade | $1.99 | one-time |
| Upgrade Hero | $3.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Accurate and fast conversions
- 💡 Useful for international communication
- 🚀 Excellent app for the job
- 👍 Straightforward and effective

**What reviewers complain about**

- 🔍 Needs more customization options
- 💰 Too many ads
- 🔍 Inaccurate temperature calculations

**Reported bugs**

- Inaccurate Kelvin temperature conversions
- Occasional crashes or freezes

**Requested features**

- Add Rankine temperature scale
- Increase font size for better readability
- Provide color customization options


### TemperatureConverterY

[App page](https://appshunter.io/ios/app/temperatureconvertery/id1139106640)

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin. Simply input your temperature, and the app will automatically display the converted results.

**Highlights:** Temperature conversion, Celsius support, Fahrenheit support, Kelvin support, Automatic calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is Temperature Converter free?

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

### Is TemperatureConverterY free?

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

### Do Temperature Converter or TemperatureConverterY have ads?

Neither Temperature Converter nor TemperatureConverterY shows ads.

### Which is updated more often, Temperature Converter or TemperatureConverterY?

Temperature Converter ships an update every 6 months, and TemperatureConverterY every 7 months. Most recently, Temperature Converter was updated on October 17, 2026 and TemperatureConverterY on October 2, 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.*