# Satellite Tracker by Star Walk vs ILICALC

Satellite Tracker by Star Walk and ILICALC both sit at 4.6 stars, but that hides the real split: 100% of ILICALC's written reviews are positive against 58% of Satellite Tracker by Star Walk's. ILICALC also leads on in-app purchases (none vs 10) and ads (none vs shown). Satellite Tracker by Star Walk's advantage is ratings volume (70K vs 2). On price, rating and device support there is nothing between them.

Both are free to download. Satellite Tracker by Star Walk sells 10 in-app purchases, starting at $0.49 per month. ILICALC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Satellite Tracker by Star Walk against 4.5 for ILICALC. That said, the two scores are not equally well evidenced: Satellite Tracker by Star Walk has 70K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 58% of Satellite Tracker by Star Walk's written reviews are positive against 100% of ILICALC's.

Satellite Tracker by Star Walk ships an update every 2 months, ILICALC every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Satellite Tracker by Star Walk | ILICALC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (70K ratings)](https://appshunter.io/ios/app/satellite-tracker-by-star-walk/id1248172706/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/ilicalc/id1498804397/reviews) |
| Number of ratings | **70K** | 2 |
| Positive reviews | 57.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 331 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [Onstream Pipeline Inspection Services Inc](https://appshunter.io/developer/1498684216) |

## What reviewers say

### 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


### ILICALC

[App page](https://appshunter.io/ios/app/ilicalc/id1498804397)

This app calculates pipeline flow rates and pressures in various units. It also helps determine ILI or pig run times and convert units for flow rates, pressures, and distances. Users can look up pipe schedules, wall thickness, and pipe grades.

**Highlights:** Calculate pipeline flow rates and pressures, Determine ILI or pig run times, Convert units for flow, pressure, and distance, Lookup pipe schedules and specifications, Supports multiple units of measurement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Tracker by Star Walk free?

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

### Is ILICALC free?

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

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

Satellite Tracker by Star Walk is rated higher. Satellite Tracker by Star Walk averages 4.6 out of 5 from 70K ratings, while ILICALC averages 4.5 from 2 ratings.

### Do Satellite Tracker by Star Walk or ILICALC have ads?

Satellite Tracker by Star Walk shows ads; ILICALC does not.

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

Satellite Tracker by Star Walk ships an update every 2 months, and ILICALC every 2 weeks. Most recently, Satellite Tracker by Star Walk was updated on November 7, 2026 and ILICALC on November 3, 2026.

---

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