# Calculator . vs Humidity Calc

The clearest difference is in-app purchases: Humidity Calc at none against Calculator .'s 4. Calculator .'s advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator . sells 4 in-app purchases, starting at $4.99 per 7 days. Humidity Calc asks for nothing beyond the download.

Calculator . ships an update fortnightly, Humidity Calc every 3 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Calculator . | Humidity Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 7 MB | 38 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Global Cross-Border E-Commerce Co., Limited](https://appshunter.io/developer/1693750577) | [Hiroaki Oosawa](https://appshunter.io/developer/6797133579) |

## What reviewers say

### Calculator .

[App page](https://appshunter.io/ios/app/calculator-ai-math-solver/id6776479693)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Peak | $4.99 | per 7 days |
| Weekly Ring | $9.99 | per 7 days |
| Yearly Peak | $39.99 | per year |
| Yearly Ring | $39.99 | per year |


### Humidity Calc

[App page](https://appshunter.io/ios/app/humidity-calc/id6797133577)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator . free?

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

### Is Humidity Calc free?

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

### Do Calculator . or Humidity Calc have ads?

Humidity Calc shows ads; Calculator . does not.

### Which is updated more often, Calculator . or Humidity Calc?

Calculator . ships an update fortnightly, and Humidity Calc every 3 weeks. Most recently, Calculator . was updated on October 17, 2026 and Humidity Calc on October 9, 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.*