# Simple Temperature vs Castora

The clearest difference is price: Castora at Free against Simple Temperature's $0.99. Castora also leads on update cadence (daily vs every 12 months). Simple Temperature's advantage is iOS requirement (16.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Castora is free to download; Simple Temperature costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Temperature ships an update every 12 months, Castora daily. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Simple Temperature | Castora |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/simple-temperature/id977935395/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Paid | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Palmer](https://appshunter.io/developer/914507761) | [Saket Kumar](https://appshunter.io/developer/6807693271) |

## What reviewers say

### Simple Temperature

[App page](https://appshunter.io/ios/app/simple-temperature/id977935395)

Easily convert temperatures between Fahrenheit and Celsius with this straightforward utility. Simply input a value and tap to see the converted result instantly. It's designed for speed and simplicity.

**Highlights:** Fahrenheit to Celsius conversion, Celsius to Fahrenheit conversion, Instant conversion on tap, Simple user interface, Fast performance

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

**In-app purchases:** none


### Castora

[App page](https://appshunter.io/ios/app/castora-diecast-tracker/id6808539318)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Temperature free?

Simple Temperature costs $0.99, with no in-app purchases.

### Is Castora free?

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

### Do Simple Temperature or Castora have ads?

Neither Simple Temperature nor Castora shows ads.

### Which is updated more often, Simple Temperature or Castora?

Simple Temperature ships an update every 12 months, and Castora daily. Most recently, Simple Temperature was updated on November 6, 2026 and Castora on October 29, 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.*