# Kellr vs Shelfy

The clearest difference is in-app purchases: Shelfy at none against Kellr's 1. Kellr's advantage is iOS requirement (17.0 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kellr sells 1 in-app purchase, starting at $6.99 per year. Shelfy asks for nothing beyond the download.

Kellr ships an update every 5 days, Shelfy every 4 days. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Kellr | Shelfy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 6 MB | 19 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Seidl](https://appshunter.io/developer/1881336205) | [TIMON SCHENKEL](https://appshunter.io/developer/1849632564) |

## What reviewers say

### Kellr

[App page](https://appshunter.io/ios/app/kellr/id6759869739)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| kellr Pro | $6.99 | per year |


### Shelfy

[App page](https://appshunter.io/ios/app/shelfy-food-tracker/id6760693302)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kellr free?

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

### Is Shelfy free?

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

### Do Kellr or Shelfy have ads?

Neither Kellr nor Shelfy shows ads.

### Which is updated more often, Kellr or Shelfy?

Kellr ships an update every 5 days, and Shelfy every 4 days. Most recently, Kellr was updated on September 7, 2026 and Shelfy on September 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.*