# Staslink vs GaugeWatcher

The clearest difference is review sentiment: GaugeWatcher at 100% against Staslink's 57%. GaugeWatcher also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 8). Staslink's advantage is ratings volume (19K vs 3) and iOS requirement (15.6 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Staslink sells 8 in-app purchases, starting at $2.99 per 7 days. GaugeWatcher asks for nothing beyond the download.

GaugeWatcher holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Staslink has 19K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 57% of Staslink's written reviews are positive against 100% of GaugeWatcher's.

Staslink ships an update every 2 months, GaugeWatcher weekly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Staslink | GaugeWatcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (19K ratings)](https://appshunter.io/ios/app/staslink-satellites-tracker/id1515415038/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gaugewatcher/id6498313776/reviews)** |
| Number of ratings | **19K** | 3 |
| Positive reviews | 56.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 98 MB | 37 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SMART WIDGET LABS COMPANY LIMITED](https://appshunter.io/developer/1561934122) | [Andrew Althage](https://appshunter.io/developer/1631629264) |

## What reviewers say

### Staslink

[App page](https://appshunter.io/ios/app/staslink-satellites-tracker/id1515415038)

Track the International Space Station and Starlink satellites with real-time live maps and HD video feeds from NASA. Get personalized reminders for optimal viewing times and explore the universe from an astronaut's perspective.

**Highlights:** Live ISS & Starlink camera feed from NASA, Real-time global tracking with Live Map, Reminders for upcoming satellite visits, Visibility predictions and statistics, HD video of Earth from ISS, Smart Tracking Engine

**Features:** Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Tracking | $2.99 | per 7 days |
| Weekly Freetrial | $3.99 | per 7 days |
| Weekly Freetrial | $4.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Monthly Premium | $12.99 | per month |
| Lifetime Premium | $24.99 | one-time |
| Lifetime | $29.99 | one-time |
| Lifetime | $34.99 | one-time |

**What reviewers like**

- 👍 Easy setup
- 🚀 Fast internet speeds
- 💡 Useful satellite tracking
- 🔍 Informative app

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🤔 Unclear instructions
- 💰 Expensive subscription
- 🚫 Limited free features

**Reported bugs**

- App freezing and crashing
- Incorrect satellite pass times
- Location detection issues
- Incompatibility with older devices

**Requested features**

- Ability to track specific satellites
- Improved location selection and storage
- Satellite pass notifications
- 3D sky view for better satellite visualization


### GaugeWatcher

[App page](https://appshunter.io/ios/app/gaugewatcher/id6498313776)

Access real-time river flow data without needing an account or encountering advertisements. Discover nearby gauges, monitor flow rates, and save your preferred locations for quick access.

**Highlights:** Real-time river flow data, Discover nearby gauges, Check flow rates, Bookmark favorite gauges, No signup required, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Staslink free?

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

### Is GaugeWatcher free?

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

### Which has better reviews, Staslink or GaugeWatcher?

GaugeWatcher is rated higher. Staslink averages 4.4 out of 5 from 19K ratings, while GaugeWatcher averages 5.0 from 3 ratings.

### Do Staslink or GaugeWatcher have ads?

Staslink shows ads; GaugeWatcher does not.

### Which is updated more often, Staslink or GaugeWatcher?

Staslink ships an update every 2 months, and GaugeWatcher weekly. Most recently, Staslink was updated on October 19, 2026 and GaugeWatcher on October 17, 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.*