# Sage vs KORTEK

The clearest difference is update cadence: KORTEK at every 2 days against Sage's every 2 months. KORTEK also leads on device support and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Sage sells 3 in-app purchases, starting at $2.99 per 7 days and KORTEK sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Sage ships an update every 2 months, KORTEK every 2 days. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sage | KORTEK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 17 MB | 16 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Selin Gursoy Yucel](https://appshunter.io/developer/1871760676) | [ALEXIS SACHA ARTHUR BRASSEUR](https://appshunter.io/developer/6803713087) |

## What reviewers say

### Sage

[App page](https://appshunter.io/ios/app/sage-study-coach/id6760980821)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |


### KORTEK

[App page](https://appshunter.io/ios/app/kortek-remember-everything/id6803712965)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KORTEK+ mensuel | $8.99 | per month |
| KORTEK Family | $24.99 | per month |
| KORTEK+ annuel | $89.99 | per year |
| KORTEK Family | $249.99 | per year |


## Frequently asked questions

### Is Sage free?

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

### Is KORTEK free?

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

### Which is updated more often, Sage or KORTEK?

Sage ships an update every 2 months, and KORTEK every 2 days. Most recently, Sage was updated on October 14, 2026 and KORTEK on October 29, 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.*