# SENA PRISM vs Staslink

The clearest difference is rating: Staslink at 4.4 against SENA PRISM's 2.1. Staslink also leads on review sentiment (57% vs 20%) and ratings volume (20K vs 8). SENA PRISM's advantage is in-app purchases (none vs 8) and ads (none vs shown). 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. SENA PRISM asks for nothing beyond the download.

Staslink holds the better App Store score, 4.4 against 2.1. That said, the two scores are not equally well evidenced: Staslink has 20K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 20% of SENA PRISM's written reviews are positive against 57% of Staslink's.

SENA PRISM ships an update every 9 months, Staslink every 2 months. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SENA PRISM | Staslink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (8 ratings)](https://appshunter.io/ios/app/sena-prism/id940994896/reviews) | **[4.4 (20K ratings)](https://appshunter.io/ios/app/staslink-satellites-tracker/id1515415038/reviews)** |
| Number of ratings | 8 | **20K** |
| Positive reviews | 20.0% of reviews | **56.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 98 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sena Technologies](https://appshunter.io/developer/888785841) | [SMART WIDGET LABS COMPANY LIMITED](https://appshunter.io/developer/1561934122) |

## What reviewers say

### SENA PRISM

[App page](https://appshunter.io/ios/app/sena-prism/id940994896)

Configure video, audio, and device settings for your Sena Prism device. Access quick start and user guides, and receive firmware updates and important notices. Requires pairing with the Sena Prism device via Bluetooth.

**Highlights:** Video Settings configuration, Audio Settings configuration, Device Settings configuration, Quick Start Guide access, User's Guide access, Firmware update notifications, Email registration

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SENA PRISM free?

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

### Is Staslink free?

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

### Which has better reviews, SENA PRISM or Staslink?

Staslink is rated higher. SENA PRISM averages 2.1 out of 5 from 8 ratings, while Staslink averages 4.4 from 20K ratings.

### Do SENA PRISM or Staslink have ads?

Staslink shows ads; SENA PRISM does not.

### Which is updated more often, SENA PRISM or Staslink?

SENA PRISM ships an update every 9 months, and Staslink every 2 months. Most recently, SENA PRISM was updated on October 20, 2026 and Staslink on October 28, 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.*