# Flex Counter vs CALKING

The clearest difference is price: Flex Counter at Free against CALKING's $2.99. Flex Counter also leads on iOS requirement (14.0 vs 17.0). CALKING's advantage is device support. On in-app purchases there is nothing between them.

Flex Counter is free to download; CALKING costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Flex Counter | CALKING |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Paid |
| Size | 24 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KEISHI TAJIMA](https://appshunter.io/developer/1872332940) | [BYKING INC.](https://appshunter.io/developer/341311384) |

## What reviewers say

### Flex Counter

[App page](https://appshunter.io/ios/app/flex-counter/id6758333089)

**In-app purchases:** none


### CALKING

[App page](https://appshunter.io/ios/app/calking/id6763190963)

This app combines a calculator with a notepad, allowing users to save numbers and calculation results instantly. Organize your data with colorful, sticky-note style memos and easily retrieve information for various tasks like budgeting and expense tracking.

**Highlights:** Save calculations instantly, Sticky note style memos, Color-coded organization, Calculate totals by color, Three separate memo boards, Add custom notes to memos

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex Counter free?

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

### Is CALKING free?

CALKING costs $2.99, with no in-app purchases.

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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.*