# Chatting Calculator vs Octuple Calc

The clearest difference is ads: Chatting Calculator at none against Octuple Calc's shown. Chatting Calculator also leads on iOS requirement (13.0 vs 15.8.3). Octuple Calc's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chatting Calculator ships an update every 5 weeks, Octuple Calc every 2 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Chatting Calculator | Octuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 8 MB | 36 MB |
| Requires iOS | **13.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Chatting Calculator

[App page](https://appshunter.io/ios/app/chatting-calculator/id982924697)

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

**In-app purchases:** none


### Octuple Calc

[App page](https://appshunter.io/ios/app/octuple-calc/id6742039735)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chatting Calculator free?

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

### Is Octuple Calc free?

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

### Do Chatting Calculator or Octuple Calc have ads?

Octuple Calc shows ads; Chatting Calculator does not.

### Which is updated more often, Chatting Calculator or Octuple Calc?

Chatting Calculator ships an update every 5 weeks, and Octuple Calc every 2 weeks. Most recently, Chatting Calculator was updated on October 24, 2026 and Octuple Calc on October 13, 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.*