# Calculate Comfort vs AFSPlus

The clearest difference is in-app purchases: AFSPlus at none against Calculate Comfort's 1. AFSPlus also leads on ads (none vs shown). Calculate Comfort's advantage is update cadence (every 4 months vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculate Comfort sells 1 one-off in-app purchase. AFSPlus asks for nothing beyond the download.

Calculate Comfort ships an update every 4 months, AFSPlus every 9 months. The most recent releases landed on August 30, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Calculate Comfort | AFSPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (35 ratings)](https://appshunter.io/ios/app/calculate-comfort/id605648449/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 23 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JUN KANAYAMA](https://appshunter.io/developer/605648452) | [Alchemy IT Solutions Pty Ltd](https://appshunter.io/developer/965607733) |

## What reviewers say

### Calculate Comfort

[App page](https://appshunter.io/ios/app/calculate-comfort/id605648449)

This app analyzes atmospheric conditions by calculating various air properties like relative humidity, dew point, and enthalpy. It provides visual indicators for comfort levels and allows for easy adjustment of input values using a dial. Advanced features include weather data fetching and unit conversions.

**Highlights:** Calculates RH, Dew Point, Wet-Bulb Temp, Enthalpy, and more, Visual comfort indicators with color and emoji, Adjustable atmospheric pressure input, Switchable between Discomfort Index (DI) and WBGT, Automatic weather data fetching, Unit conversion between SI and US units (Pro), Export calculation results as text (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |


### AFSPlus

[App page](https://appshunter.io/ios/app/afsplus/id1422945149)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculate Comfort free?

Calculate Comfort is free to download, with in-app purchases available.

### Is AFSPlus free?

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

### Do Calculate Comfort or AFSPlus have ads?

Calculate Comfort shows ads; AFSPlus does not.

### Which is updated more often, Calculate Comfort or AFSPlus?

Calculate Comfort ships an update every 4 months, and AFSPlus every 9 months. Most recently, Calculate Comfort was updated on August 30, 2026 and AFSPlus on September 10, 2026.

---

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