# Chesapeake Dolphin Watch vs Cribbage Trainer

The clearest difference is in-app purchases: Chesapeake Dolphin Watch at none against Cribbage Trainer's 3. Chesapeake Dolphin Watch also leads on iOS requirement (15.0 vs 17.0). Cribbage Trainer's advantage is update cadence (every 8 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Cribbage Trainer sells 3 in-app purchases, starting at $6.99 per month. Chesapeake Dolphin Watch asks for nothing beyond the download.

Chesapeake Dolphin Watch ships an update every 8 months, Cribbage Trainer every 8 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chesapeake Dolphin Watch | Cribbage Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (10 ratings)](https://appshunter.io/ios/app/chesapeake-dolphin-watch/id1378710869/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 20 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tony Niemann](https://appshunter.io/developer/964603974) | [Jack Wallner](https://appshunter.io/developer/1891233967) |

## What reviewers say

### Chesapeake Dolphin Watch

[App page](https://appshunter.io/ios/app/chesapeake-dolphin-watch/id1378710869)

Contribute to scientific research by reporting dolphin sightings in the Chesapeake Bay. Log your observations, including location and number of dolphins seen, and upload photos or videos to aid in ecological studies.

**Highlights:** Report dolphin sightings, Log location and count, Upload photos and videos, Contribute to scientific research, Track dolphin activity in the Bay

**Features:** Vision Pro support

**In-app purchases:** none


### Cribbage Trainer

[App page](https://appshunter.io/ios/app/cribbage-trainer-count-and-peg/id6796911073)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cribbage+ Monthly | $6.99 | per month |
| Cribbage+ Yearly | $29.99 | per year |
| Cribbage+ Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Chesapeake Dolphin Watch free?

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

### Is Cribbage Trainer free?

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

### Do Chesapeake Dolphin Watch or Cribbage Trainer have ads?

Neither Chesapeake Dolphin Watch nor Cribbage Trainer shows ads.

### Which is updated more often, Chesapeake Dolphin Watch or Cribbage Trainer?

Chesapeake Dolphin Watch ships an update every 8 months, and Cribbage Trainer every 8 days. Most recently, Chesapeake Dolphin Watch was updated on November 2, 2026 and Cribbage Trainer on November 6, 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.*