# Nutrina vs Kerno

The clearest difference is in-app purchases: Nutrina at none against Kerno's 3. Nutrina also leads on iOS requirement (13.0 vs 17.0). Kerno's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Kerno sells 3 in-app purchases, starting at $2.99 per month. Nutrina asks for nothing beyond the download.

Nutrina ships an update every 2 months, Kerno daily. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Nutrina | Kerno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 38 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Craftwise](https://appshunter.io/developer/1663513161) | [Dennis Williams](https://appshunter.io/developer/6784594220) |

## What reviewers say

### Nutrina

[App page](https://appshunter.io/ios/app/nutrina/id1663513159)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kerno

[App page](https://appshunter.io/ios/app/kerno-habit-tracker/id6784655674)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kerno Pro – Monatlich | $2.99 | per month |
| Kerno Pro – Jährlich | $17.99 | per year |
| Kerno Pro – Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Nutrina free?

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

### Is Kerno free?

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

### Do Nutrina or Kerno have ads?

Neither Nutrina nor Kerno shows ads.

### Which is updated more often, Nutrina or Kerno?

Nutrina ships an update every 2 months, and Kerno daily. Most recently, Nutrina was updated on September 14, 2026 and Kerno on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*