# Chatting Calculator vs Flex Calculators

The clearest difference is in-app purchases: Chatting Calculator at none against Flex Calculators's 1. Chatting Calculator also leads on iOS requirement (13.0 vs 15.1). Flex Calculators's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Flex Calculators sells 1 one-off in-app purchase. Chatting Calculator asks for nothing beyond the download.

Chatting Calculator ships an update every 5 weeks, Flex Calculators every 10 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Chatting Calculator | Flex Calculators |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 8 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) | [An Le](https://appshunter.io/developer/1863975090) |

## 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


### Flex Calculators

[App page](https://appshunter.io/ios/app/flex-calculators/id6761326502)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Chatting Calculator free?

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

### Is Flex Calculators free?

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

### Do Chatting Calculator or Flex Calculators have ads?

Neither Chatting Calculator nor Flex Calculators shows ads.

### Which is updated more often, Chatting Calculator or Flex Calculators?

Chatting Calculator ships an update every 5 weeks, and Flex Calculators every 10 days. Most recently, Chatting Calculator was updated on November 6, 2026 and Flex Calculators on November 5, 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.*