# ONKO vs Feli

The clearest difference is in-app purchases: ONKO at none against Feli's 3. Feli's advantage is update cadence (every 3 weeks vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Feli sells 3 one-off in-app purchases. ONKO asks for nothing beyond the download.

ONKO ships an update every 17 months, Feli every 3 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ONKO | Feli |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Size | 155 MB | 91 MB |
| Requires iOS | **14.2** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Institut Za Onkologiju i Radiologiju Srbije](https://appshunter.io/developer/1497027337) | [Feli d.o.o](https://appshunter.io/developer/1745347485) |

## What reviewers say

### ONKO

[App page](https://appshunter.io/ios/app/onko/id1497027338)

**Features:** macOS Compatibility

**In-app purchases:** none


### Feli

[App page](https://appshunter.io/ios/app/feli/id6502404118)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feli Start | $34.99 | one-time |
| My Feli | $79.99 | one-time |
| My Feli + Nutri boost | $199.00 | one-time |


## Frequently asked questions

### Is ONKO free?

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

### Is Feli free?

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

### Do ONKO or Feli have ads?

Neither ONKO nor Feli shows ads.

### Which is updated more often, ONKO or Feli?

ONKO ships an update every 17 months, and Feli every 3 weeks. Most recently, ONKO was updated on October 10, 2026 and Feli on October 14, 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.*