# HumidCalc vs Suntime

The clearest difference is price: HumidCalc at Free against Suntime's $0.99. Suntime's advantage is ads (none vs shown) and update cadence (weekly vs every 2 weeks). On in-app purchases, device support and iOS requirement there is nothing between them.

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

HumidCalc ships an update every 2 weeks, Suntime weekly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HumidCalc | Suntime |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/humidcalc/id1135328698/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 14 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [yoshihito sakagami](https://appshunter.io/developer/1112518506) | [MARKUS ISCHRAMM](https://appshunter.io/developer/1694217742) |

## What reviewers say

### HumidCalc

[App page](https://appshunter.io/ios/app/humidcalc/id1135328698)

This app calculates various humidity and air property indicators using weather data. It's suitable for general users, engineers, and agricultural applications, offering precise calculations for dew point, relative humidity, and heat stress indices.

**Highlights:** Humidity and air property calculations, Discomfort Index and WBGT calculation, Volumetric Absolute Humidity for influenza prevention, Humidity Deficit (HD) for agriculture, Supports 11 indicators across 15 calculation items, Unit conversion (Celsius/Fahrenheit, SI/Imperial), High-precision calculation engine

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

**In-app purchases:** none


### Suntime

[App page](https://appshunter.io/ios/app/suntime-solar-clock/id6761623986)

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

**In-app purchases:** none


## Frequently asked questions

### Is HumidCalc free?

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

### Is Suntime free?

Suntime costs $0.99, with no in-app purchases.

### Do HumidCalc or Suntime have ads?

HumidCalc shows ads; Suntime does not.

### Which is updated more often, HumidCalc or Suntime?

HumidCalc ships an update every 2 weeks, and Suntime weekly. Most recently, HumidCalc was updated on October 29, 2026 and Suntime on October 28, 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.*