# Temperature Converter vs Conversion Calculator Units

The clearest difference is ads: Temperature Converter at none against Conversion Calculator Units's shown. Temperature Converter also leads on review sentiment (91% vs 82%). Conversion Calculator Units's advantage is update cadence (every 2 months vs every 6 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Temperature Converter sells 3 one-off in-app purchases and Conversion Calculator Units sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Temperature Converter against 4.7 for Conversion Calculator Units. Both are backed by a comparable volume of ratings — 6.3K and 5K respectively. Written reviews are what separate them: 91% of Temperature Converter's written reviews are positive against 82% of Conversion Calculator Units's.

Temperature Converter ships an update every 6 months, Conversion Calculator Units every 2 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Temperature Converter | Conversion Calculator Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.3K ratings)](https://appshunter.io/ios/app/temperature-converter/id449608609/reviews)** | [4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews) |
| Number of ratings | **6.3K** | 5K |
| Positive reviews | **91.5% of reviews** | 82.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 41 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [RV AppStudios LLC](https://appshunter.io/developer/340181308) |

## 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


### Conversion Calculator Units

[App page](https://appshunter.io/ios/app/conversion-calculator-units/id727632233)

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

**Highlights:** Converts over 140 units, Supports 12 conversion categories, Customizable themes, Drag and set unit positions, Add units to favorites, Share converted units via email

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design

**Reported bugs**

- Ads not removed after purchase
- Incorrect unit conversions

**Requested features**

- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order


## Frequently asked questions

### Is Temperature Converter free?

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

### Is Conversion Calculator Units free?

Conversion Calculator Units is free to download, with in-app purchases available.

### Which has better reviews, Temperature Converter or Conversion Calculator Units?

Temperature Converter is rated higher. Temperature Converter averages 4.8 out of 5 from 6.3K ratings, while Conversion Calculator Units averages 4.7 from 5K ratings.

### Do Temperature Converter or Conversion Calculator Units have ads?

Conversion Calculator Units shows ads; Temperature Converter does not.

### Which is updated more often, Temperature Converter or Conversion Calculator Units?

Temperature Converter ships an update every 6 months, and Conversion Calculator Units every 2 months. Most recently, Temperature Converter was updated on October 14, 2026 and Conversion Calculator Units on October 13, 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.*