# Conversion Calculator vs Temperature Checker Celsius

The clearest difference is update cadence: Temperature Checker Celsius at every 2 days against Conversion Calculator's every 5 weeks. Temperature Checker Celsius also leads on iOS requirement (15.1 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Conversion Calculator ships an update every 5 weeks, Temperature Checker Celsius every 2 days. The most recent releases landed on September 22, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Conversion Calculator | Temperature Checker Celsius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (157 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** | — |
| Number of ratings | **157** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 7 MB | 30 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) | [JAMIE CHRISTOPHER DAVIES](https://appshunter.io/developer/1784256733) |

## What reviewers say

### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

**Highlights:** Metric and imperial unit conversion, Weight, length, temperature, area, time, Offline functionality, Precise and fast results, Clean and minimal interface, Over 100 measurement types

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


### Temperature Checker Celsius

[App page](https://appshunter.io/ios/app/temperature-checker-celsius/id6738740831)

This utility app provides instant conversions between various temperature scales, including Celsius, Fahrenheit, and Kelvin. It features a user-friendly interface for quick and accurate calculations, making it ideal for everyday use in cooking, travel, or academic projects.

**Highlights:** Instant temperature conversion, Supports Celsius, Fahrenheit, Kelvin, User-friendly interface, Accurate results, Quick calculations on the go

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Converter Pro | $1.99 | per year |


## Frequently asked questions

### Is Conversion Calculator free?

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

### Is Temperature Checker Celsius free?

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

### Do Conversion Calculator or Temperature Checker Celsius have ads?

Neither Conversion Calculator nor Temperature Checker Celsius shows ads.

### Which is updated more often, Conversion Calculator or Temperature Checker Celsius?

Conversion Calculator ships an update every 5 weeks, and Temperature Checker Celsius every 2 days. Most recently, Conversion Calculator was updated on September 22, 2026 and Temperature Checker Celsius on June 5, 2026.

---

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