# Conversion Calculator Units vs Fahrenheit Celsius Calculator

Conversion Calculator Units and Fahrenheit Celsius Calculator are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Conversion Calculator Units sells 1 one-off in-app purchase and Fahrenheit Celsius Calculator sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Conversion Calculator Units holds the better App Store score, 4.7 against 4.6. Both are backed by a comparable volume of ratings — 5K and 1.8K respectively. Written reviews complicate that: 82% of Conversion Calculator Units's written reviews are positive against 84% of Fahrenheit Celsius Calculator's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Fahrenheit Celsius Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [4.6 (1.8K ratings)](https://appshunter.io/ios/app/fahrenheit-celsius-calculator/id1245700611/reviews) |
| Number of ratings | **5K** | 1.8K |
| Positive reviews | 82.1% of reviews | **83.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 32 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Michael Baron](https://appshunter.io/developer/1468892980) |

## What reviewers say

### 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


### Fahrenheit Celsius Calculator

[App page](https://appshunter.io/ios/app/fahrenheit-celsius-calculator/id1245700611)

Easily convert temperatures between Fahrenheit and Celsius. Access current, historical, and forecasted weather data for any city in both units simultaneously.

**Highlights:** Fahrenheit to Celsius conversion, Celsius to Fahrenheit conversion, City temperature lookup, Historical weather data, Current weather data, Forecasted weather data

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| City Temperatures | $1.99 | per month |
| Yearly | $19.99 | per year |
| Remove Ads | $0.99 | one-time |
| Tip the Developer | $0.99 | one-time |
| Lifetime | $26.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Instant conversion
- 💡 Helpful for international users
- 🚀 Efficient temperature conversion

**What reviewers complain about**

- 🐛 Disappearing calculator
- 🐛 Ads covering buttons
- 🐛 Inability to go back or clear

**Reported bugs**

- Calculator disappearing
- Ads covering buttons
- Inability to go back or clear

**Requested features**

- Labeling the clear button
- Allowing users to enter their own city


## Frequently asked questions

### Is Conversion Calculator Units free?

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

### Is Fahrenheit Celsius Calculator free?

Fahrenheit Celsius Calculator is free to download, with in-app purchases available.

### Which has better reviews, Conversion Calculator Units or Fahrenheit Celsius Calculator?

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Fahrenheit Celsius Calculator averages 4.6 from 1.8K ratings.

### Do Conversion Calculator Units or Fahrenheit Celsius Calculator have ads?

Both Conversion Calculator Units and Fahrenheit Celsius Calculator show ads.

### Which is updated more often, Conversion Calculator Units or Fahrenheit Celsius Calculator?

Conversion Calculator Units ships an update every 2 months, and Fahrenheit Celsius Calculator every 2 months. Most recently, Conversion Calculator Units was updated on November 6, 2026 and Fahrenheit Celsius Calculator on November 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.*