# TeknoFlow vs Kalk

The clearest difference is in-app purchases: Kalk at none against TeknoFlow's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TeknoFlow sells 1 in-app purchase, starting at $12.99 per year. Kalk asks for nothing beyond the download.

## The numbers

| Metric | TeknoFlow | Kalk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 14 MB | 1 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arslan GURAL](https://appshunter.io/developer/1734392260) | [Dmytro Shcherbyna](https://appshunter.io/developer/6809955388) |

## What reviewers say

### TeknoFlow

[App page](https://appshunter.io/ios/app/teknoflow-pplanner-and-notes/id6759056909)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yıllık | $12.99 | per year |


### Kalk

[App page](https://appshunter.io/ios/app/kalk-plain-text-calculator/id6812528341)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TeknoFlow free?

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

### Is Kalk free?

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

### Do TeknoFlow or Kalk have ads?

Neither TeknoFlow nor Kalk shows ads.

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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.*