# Skipper Science App vs NotiSync

The clearest difference is iOS requirement: Skipper Science App at 15.6 against NotiSync's 18.6. On price, update cadence, ads and in-app purchases 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 ships an update every 3 weeks, NotiSync fortnightly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Skipper Science App | NotiSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skipper-science-app/id6504762932/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 151 MB | 20 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Aleut Community of St. Paul Island Tribal Government](https://appshunter.io/developer/1329178887) | [Dingwen Wang](https://appshunter.io/developer/6784461697) |

## What reviewers say

### 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


### NotiSync

[App page](https://appshunter.io/ios/app/notisync/id6784461695)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skipper Science App free?

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

### Is NotiSync free?

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

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

Neither Skipper Science App nor NotiSync shows ads.

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

Skipper Science App ships an update every 3 weeks, and NotiSync fortnightly. Most recently, Skipper Science App was updated on October 12, 2026 and NotiSync on October 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.*