# ePEF vs Skipper Science App

The clearest difference is rating: Skipper Science App at 5.0 against ePEF's 1.8. Skipper Science App also leads on update cadence (every 3 weeks vs every 6 weeks). ePEF's advantage is ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Skipper Science App holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: ePEF has 11 ratings behind it against 1, so its average is the more settled of the two.

ePEF ships an update every 6 weeks, Skipper Science App every 3 weeks. The most recent releases landed on September 17, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | ePEF | Skipper Science App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (11 ratings)](https://appshunter.io/ios/app/epef/id1584786339/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skipper-science-app/id6504762932/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 103 MB | 149 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [上海朔茂网络科技有限公司](https://appshunter.io/developer/968257135) | [Aleut Community of St. Paul Island Tribal Government](https://appshunter.io/developer/1329178887) |

## What reviewers say

### ePEF

[App page](https://appshunter.io/ios/app/epef/id1584786339)

This app helps manage asthma and COPD symptoms by tracking medication and monitoring acute attacks. It requires a separate digital peak flow meter for readings and provides insights for remote disease management.

**Highlights:** Symptom management for Asthma and COPD, Track medication intake, Monitor acute asthma attacks, Evaluate disease progression, Remote disease management, Requires digital peak flow meter

**Features:** Vision Pro support

**In-app purchases:** none


### Skipper Science App

[App page](https://appshunter.io/ios/app/skipper-science-app/id6504762932)

This app allows fishermen to easily report crucial marine data from their phones while at sea. It supports structured data collection on environmental and fisheries priorities, even without internet access. Join a community dedicated to advocating for healthy fisheries.

**Highlights:** Report jellyfish and algae blooms, Log fish stomach contents, Record entanglements and marine debris, Track sea surface temperature, Document marine mammal interactions, Offline data logging, Structured data collection forms

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

**In-app purchases:** none


## Frequently asked questions

### Is ePEF free?

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

### Is Skipper Science App free?

Skipper Science App is free to download, with no in-app purchases.

### Which has better reviews, ePEF or Skipper Science App?

Skipper Science App is rated higher. ePEF averages 1.8 out of 5 from 11 ratings, while Skipper Science App averages 5.0 from 1 ratings.

### Do ePEF or Skipper Science App have ads?

Neither ePEF nor Skipper Science App shows ads.

### Which is updated more often, ePEF or Skipper Science App?

ePEF ships an update every 6 weeks, and Skipper Science App every 3 weeks. Most recently, ePEF was updated on September 17, 2026 and Skipper Science App on July 26, 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.*