# Calculator . vs Sticky or Dry

The clearest difference is device support: Sticky or Dry at 3 against Calculator .'s 1. Calculator .'s advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Calculator . sells 4 in-app purchases, starting at $4.99 per 7 days and Sticky or Dry sells 1 in-app purchase, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Calculator . ships an update fortnightly, Sticky or Dry every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calculator . | Sticky or Dry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/calculator-ai-math-solver/id6776479693/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 5 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Global Cross-Border E-Commerce Co., Limited](https://appshunter.io/developer/1693750577) | [Arcana Media](https://appshunter.io/developer/1526506285) |

## What reviewers say

### Calculator .

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

This utility app combines standard and scientific calculations with unit and currency conversions. It features a clean interface, calculation history, and automatic rate updates for currencies. Easily switch between functions without leaving the app.

**Highlights:** Standard and scientific calculator, Unit conversion (length, weight, area, volume, temperature), Currency conversion with automatic rate updates, Calculation history, Distraction-free dark interface

**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 |


### Sticky or Dry

[App page](https://appshunter.io/ios/app/sticky-or-dry/id6799988064)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sticky or Dry Pro Yearly | $2.99 | per year |


## Frequently asked questions

### Is Calculator . free?

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

### Is Sticky or Dry free?

Sticky or Dry is free to download, with in-app purchases available.

### Do Calculator . or Sticky or Dry have ads?

Neither Calculator . nor Sticky or Dry shows ads.

### Which is updated more often, Calculator . or Sticky or Dry?

Calculator . ships an update fortnightly, and Sticky or Dry every 10 days. Most recently, Calculator . was updated on October 25, 2026 and Sticky or Dry on October 25, 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.*