# Owl Pellet Activities vs Concentrations

The clearest difference is update cadence: Concentrations at every 3 months against Owl Pellet Activities's every 12 months. Owl Pellet Activities's advantage is iOS requirement (13.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Owl Pellet Activities ships an update every 12 months, Concentrations every 3 months. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Owl Pellet Activities | Concentrations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/owl-pellet-activities/id413713201/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 108 MB | 7 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Carolina Biological Supply](https://appshunter.io/developer/413708533) | [Marcal Casas Cartagena](https://appshunter.io/developer/468150889) |

## What reviewers say

### Owl Pellet Activities

[App page](https://appshunter.io/ios/app/owl-pellet-activities/id413713201)

This educational app aids in the observation and dissection of owl pellets, allowing users to identify bones and log data into a national database. It also provides bone diagrams, Barn Owl video, and interesting owl facts.

**Highlights:** Owl pellet dissection enhancement, Bone identification, Data logging to national database, View national data, Bone diagrams of prey, Barn Owl video footage, Owl facts

**Features:** macOS Compatibility

**In-app purchases:** none


### Concentrations

[App page](https://appshunter.io/ios/app/concentrations/id468150886)

**In-app purchases:** none


## Frequently asked questions

### Is Owl Pellet Activities free?

Owl Pellet Activities is free to download, with no in-app purchases.

### Is Concentrations free?

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

### Do Owl Pellet Activities or Concentrations have ads?

Neither Owl Pellet Activities nor Concentrations shows ads.

### Which is updated more often, Owl Pellet Activities or Concentrations?

Owl Pellet Activities ships an update every 12 months, and Concentrations every 3 months. Most recently, Owl Pellet Activities was updated on October 12, 2026 and Concentrations on October 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.*