# CortexOS vs Overthink Less

The clearest difference is device support: Overthink Less at 3 against CortexOS's 1. Overthink Less also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CortexOS sells 3 in-app purchases, starting at $7.99 per month and Overthink Less sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

CortexOS ships an update every 5 days, Overthink Less weekly. The most recent releases landed on August 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CortexOS | Overthink Less |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 32 MB | 72 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Orlin Ralinov Martinov](https://appshunter.io/developer/1876655175) | [Nissim Shon Baranes](https://appshunter.io/developer/1893481315) |

## What reviewers say

### CortexOS

[App page](https://appshunter.io/ios/app/cortexos/id6759070325)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $49.99 | per year |
| Lifetime Access | $99.99 | one-time |


### Overthink Less

[App page](https://appshunter.io/ios/app/overthink-less-calm-mind/id6762233936)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Overthink Less Premium Monthly | $6.99 | per month |
| Overthink Less Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is CortexOS free?

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

### Is Overthink Less free?

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

### Do CortexOS or Overthink Less have ads?

Neither CortexOS nor Overthink Less shows ads.

### Which is updated more often, CortexOS or Overthink Less?

CortexOS ships an update every 5 days, and Overthink Less weekly. Most recently, CortexOS was updated on August 23, 2026 and Overthink Less on September 17, 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.*