# Dolphin Count vs Arenas for Change

The clearest difference is in-app purchases: Dolphin Count at none against Arenas for Change's 1. Dolphin Count also leads on iOS requirement (10.0 vs 15.5). Arenas for Change's advantage is update cadence (every 3 weeks vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Arenas for Change sells 1 in-app purchase, starting at $35.99 per month. Dolphin Count asks for nothing beyond the download.

Dolphin Count holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Dolphin Count ships an update every 10 months, Arenas for Change every 3 weeks. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dolphin Count | Arenas for Change |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/dolphin-count/id1458899127/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/arenas-for-change/id1618631249/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 111 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lowcountry Marine Mammal Network](https://appshunter.io/developer/1458899126) | [Arenas for Change](https://appshunter.io/developer/1606972001) |

## What reviewers say

### Dolphin Count

[App page](https://appshunter.io/ios/app/dolphin-count/id1458899127)

Contribute to marine mammal research by collecting real-time data on local dolphins. This free, family-friendly application requires no prior experience and helps expand scientific coverage areas. It aims to raise awareness about local dolphin populations.

**Highlights:** Citizen science data collection, Marine mammal research support, Local dolphin tracking, Awareness raising, Family-friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### Arenas for Change

[App page](https://appshunter.io/ios/app/arenas-for-change/id1618631249)

This app connects professionals in coaching, education, and mental health who use animals in their practice. It offers exclusive access to learning courses, community forums, and a global member directory. Stay updated on resources and connect with like-minded individuals.

**Highlights:** Member-only learning courses, Community forums and groups, Interactive posting and messaging, Global member directory, Access to latest resources

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $35.99 | per month |


## Frequently asked questions

### Is Dolphin Count free?

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

### Is Arenas for Change free?

Arenas for Change is free to download, with in-app purchases available.

### Which has better reviews, Dolphin Count or Arenas for Change?

Dolphin Count is rated higher. Dolphin Count averages 4.5 out of 5 from 2 ratings, while Arenas for Change averages 4.3 from 3 ratings.

### Do Dolphin Count or Arenas for Change have ads?

Neither Dolphin Count nor Arenas for Change shows ads.

### Which is updated more often, Dolphin Count or Arenas for Change?

Dolphin Count ships an update every 10 months, and Arenas for Change every 3 weeks. Most recently, Dolphin Count was updated on September 29, 2026 and Arenas for Change on October 24, 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.*