Owl Pellet Activities vs Concentrations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Owl Pellet Activities
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.
- Owl pellet dissection enhancement
- Bone identification
- Data logging to national database
- View national data
- Bone diagrams of prey
- Barn Owl video footage
- Owl facts
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Owl Pellet Activities enhances the observation and dissection of owl pellets, which can be purchased from Carolina Biological Supply (http://www.carolina.com) on your computer or through the app. Use this app to identify the bones you find in your owl pellet and to log your data into our national database. Then view the data from around the country. Other great features include complete bone diagrams of owl prey, Barn Owl video footage, and owl facts.
Concentrations
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Concentrations is a powerful chemical calculator designed for laboratory professionals who need fast, accurate concentration calculations in the field. Say goodbye to manual dilution factor calculations, density conversions, and purity adjustments. The Problem We Solve: Ever needed to prepare a 1M sulfuric acid solution, but your stock bottle only shows "98% w/w" with molecular weight and density? Concentrations does the complex math for you instantly—just input your stock solution data and get precise preparation instructions with a single tap. Key Features: Smart Dilution Calculator – Calculate dilution parameters from stock solutions or known molar concentrations with ease Comprehensive Concentration Types – Support for Molar, Normal, Molal, Mole Fraction, Mass Concentration, Volume Fraction, and more Simple Input, Powerful Results – Enter your compound's molecular weight, desired concentration, and volume—Concentrations handles the rest Customizable Precision – Adjust decimal places in results to match your experimental requirements Localized Interface – Automatically adapts decimal indicators to your regional format Who It's For: Perfect for chemists, laboratory technicians, students, and researchers who need reliable concentration calculations without the hassle of manual computation. Stop fumbling with calculators and conversion tables. Get accurate results every time with Concentrations.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Owl Pellet Activities | Concentrations |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 108 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Carolina Biological Supply | Marcal Casas Cartagena |
In-app purchases
Owl Pellet Activities
No in-app purchases
Concentrations
No in-app purchases
Questions
Is Owl Pellet Activities free?
Is Concentrations free?
Do Owl Pellet Activities or Concentrations have ads?
Which is updated more often, Owl Pellet Activities or Concentrations?
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