# Sky Guide vs Satellite Tracker by Star Walk

The clearest difference is ads: Sky Guide at none against Satellite Tracker by Star Walk's shown. Sky Guide also leads on review sentiment (86% vs 58%) and update cadence (every 2 weeks vs every 2 months). Satellite Tracker by Star Walk's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Sky Guide sells 6 in-app purchases, starting at $4.99 per month and Satellite Tracker by Star Walk sells 10 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Sky Guide holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Sky Guide has 379K ratings behind it against 70K, so its average is the more settled of the two. Written reviews point the same way: 86% of Sky Guide's written reviews are positive against 58% of Satellite Tracker by Star Walk's.

Sky Guide ships an update every 2 weeks, Satellite Tracker by Star Walk every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Sky Guide | Satellite Tracker by Star Walk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (379K ratings)](https://appshunter.io/ios/app/sky-guide/id576588894/reviews)** | [4.6 (70K ratings)](https://appshunter.io/ios/app/satellite-tracker-by-star-walk/id1248172706/reviews) |
| Number of ratings | **379K** | 70K |
| Positive reviews | **86.0% of reviews** | 57.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#27** | — |
| Size | 380 MB | 331 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fifth Star Labs LLC](https://appshunter.io/developer/451087546) | [Vito Technology Inc.](https://appshunter.io/developer/289641503) |

## What reviewers say

### Sky Guide

[App page](https://appshunter.io/ios/app/sky-guide/id576588894)

**Currently charting:** #27 Top Free · Reference, #31 Top Grossing · Reference (US App Store)

Identify stars, constellations, planets, and satellites in real-time by holding your device overhead. Explore celestial bodies with AR overlays, track satellites like the ISS, and travel through time to view past and future astronomical events. Perfect for both novice and experienced stargazers.

**Highlights:** Automatic celestial object identification, Augmented reality sky overlay, Satellite tracking and notifications, Time travel for past/future viewing, Personalized astronomical event calendar, Offline functionality

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS | $4.99 | per month |
| PRO | $8.99 | per month |
| PLUS | $39.99 | per year |
| PRO | $59.99 | per year |
| All Constellations | $1.99 | one-time |
| PRO Lifetime | $249.99 | one-time |

**What reviewers like**

- 🌟 Stunning visuals and graphics
- 📚 Wealth of information on celestial objects
- 🧭 Accurate and responsive compass/AR features
- 🌌 Immersive stargazing experience
- 🔍 Ability to identify stars, planets, and satellites

**What reviewers complain about**

- 🧭 Occasional compass/location calibration issues
- 💰 Subscription model limits access to some features
- 🌍 Lack of support for certain regions/locations
- 🕰️ Outdated information on some celestial objects

**Reported bugs**

- App freezes when near polar regions
- Occasional crashes or performance issues

**Requested features**

- Add more detailed information on moons of planets
- Implement mosaic planning tools for astrophotography
- Provide earlier notifications for satellite/ISS passes
- Allow users to share their observations and photos
- Improve integration with telescope/camera equipment


### Satellite Tracker by Star Walk

[App page](https://appshunter.io/ios/app/satellite-tracker-by-star-walk/id1248172706)

Track satellites in real-time, including the ISS and Starlink. Get predictions for upcoming passes and set alerts. Explore satellite orbits and trajectories with various viewing modes.

**Highlights:** Real-time satellite tracking, Satellite flyby timer, Pass predictions, Customizable location, Fly-with-satellite view, Satellite orbit over Earth

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Real Time Satellite Tracking | $0.49 | per month |
| Satellite Tracker Premium: 1m | $0.99 | per month |
| Real Time Satellite Tracking | $0.99 | per 3 months |
| Satellite Tracker Premium: 1m | $1.99 | per month |
| Satellite Tracker Premium: 1m | $1.99 | per month |
| Satellite Tracker Premium: 1y | $5.99 | per year |
| Satellite Tracker Premium: 1y | $7.99 | per year |
| Satellite Tracker Premium: 1y | $7.99 | per year |
| Lifetime Premium Access Sale | $4.99 | one-time |
| Lifetime Premium Access | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🔭 Excellent for tracking ISS
- 🌍 Impressive 3D graphics
- 👍 Helpful for stargazing with kids
- 🔍 Useful for identifying satellites

**What reviewers complain about**

- 💰 Subscription model too restrictive
- 🔍 Limited satellite tracking options
- 🕰️ Inaccurate pass timing notifications
- 🔌 Requires internet connection
- 🔍 Difficult to find and track specific satellites

**Reported bugs**

- Unsubscribe button not working
- Compass issues causing incorrect orientation
- Occasional crashes and freezes

**Requested features**

- Add more satellite tracking options
- Improve pass timing accuracy
- Provide offline mode for remote use
- Allow tracking of HAM radio satellites
- Add more detailed satellite information


## Frequently asked questions

### Is Sky Guide free?

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

### Is Satellite Tracker by Star Walk free?

Satellite Tracker by Star Walk is free to download, with in-app purchases available.

### Which has better reviews, Sky Guide or Satellite Tracker by Star Walk?

Sky Guide is rated higher. Sky Guide averages 4.8 out of 5 from 379K ratings, while Satellite Tracker by Star Walk averages 4.6 from 70K ratings.

### Do Sky Guide or Satellite Tracker by Star Walk have ads?

Satellite Tracker by Star Walk shows ads; Sky Guide does not.

### Which is updated more often, Sky Guide or Satellite Tracker by Star Walk?

Sky Guide ships an update every 2 weeks, and Satellite Tracker by Star Walk every 2 months. Most recently, Sky Guide was updated on November 1, 2026 and Satellite Tracker by Star Walk on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*