# MindCore vs Calk

The clearest difference is update cadence: Calk at weekly against MindCore's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MindCore sells 2 in-app purchases, starting at $3.99 per month and Calk sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

MindCore ships an update every 2 months, Calk weekly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MindCore | Calk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 68 MB | 71 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [CS TECHNOLOGIES, LDA](https://appshunter.io/developer/1796998845) | [Eli Petukhov](https://appshunter.io/developer/1884742257) |

## What reviewers say

### MindCore

[App page](https://appshunter.io/ios/app/mindcore/id6742133307)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $29.99 | per year |


### Calk

[App page](https://appshunter.io/ios/app/calk-weight-on-track/id6760506316)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calk Analytics | $49.99 | per year |


## Frequently asked questions

### Is MindCore free?

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

### Is Calk free?

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

### Do MindCore or Calk have ads?

Neither MindCore nor Calk shows ads.

### Which is updated more often, MindCore or Calk?

MindCore ships an update every 2 months, and Calk weekly. Most recently, MindCore was updated on October 18, 2026 and Calk on October 10, 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.*