# Sputnik! vs Satellite Tracker Pro

The clearest difference is in-app purchases: Satellite Tracker Pro at none against Sputnik!'s 1. Sputnik!'s advantage is rating (4.7 vs 4.3) and review sentiment (92% vs 72%). On price and ads there is nothing between them.

Both are free to download. Sputnik! sells 1 one-off in-app purchase. Satellite Tracker Pro asks for nothing beyond the download.

Sputnik! holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Sputnik! has 731 ratings behind it against 65, so its average is the more settled of the two. Written reviews point the same way: 92% of Sputnik!'s written reviews are positive against 72% of Satellite Tracker Pro's.

Sputnik! ships an update every 5 months, Satellite Tracker Pro every 11 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sputnik! | Satellite Tracker Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (731 ratings)](https://appshunter.io/ios/app/sputnik/id393001070/reviews)** | [4.3 (65 ratings)](https://appshunter.io/ios/app/satellite-tracker-pro/id1518484999/reviews) |
| Number of ratings | **731** | 65 |
| Positive reviews | **92.2% of reviews** | 72.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | Ad-supported | **Free** |
| Size | 35 MB | 58 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Applicate Ltd](https://appshunter.io/developer/299117183) | [Kornienko Vyacheslav](https://appshunter.io/developer/1518484998) |

## What reviewers say

### Sputnik!

[App page](https://appshunter.io/ios/app/sputnik/id393001070)

Track the International Space Station and bright satellites with precise timing and location data. Get second-by-second countdowns, set reminders, and view satellite paths in the night sky. Supports offline calculations and sharing sightings.

**Highlights:** Accurate satellite and ISS sighting predictions, Starlink satellite train detection, Second-by-second countdowns, Sighting reminders, Compass direction and elevation display, Night sky path visualization, Offline calculations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go ad-free | $0.99 | one-time |

**What reviewers like**

- 🚀 Accurate satellite tracking
- 👍 Easy to use interface
- 🔭 Supports tracking of various satellites (ISS, Hubble, Starlink)
- ⏰ Provides countdown and reminders for sightings

**What reviewers complain about**

- 🐛 App not working/crashing for some users
- 🔍 Unclear information about satellite visibility (e.g. what 'enters Earth's shadow' means)
- 🔧 Difficulty updating satellite data
- 🙈 Dark mode text visibility issues

**Reported bugs**

- App reporting 'No Sightings' for all categories
- Null check errors when selecting satellite sightings
- Issues with location settings and data updates

**Requested features**

- Add support for more satellite types
- Improve sky chart visualization and orientation
- Provide filtering options (e.g. by elevation, magnitude)
- Implement automatic data updates


### Satellite Tracker Pro

[App page](https://appshunter.io/ios/app/satellite-tracker-pro/id1518484999)

Track thousands of satellites in real-time with a 3D Earth model and augmented reality sky gazing. Plan your stargazing sessions with pass predictions and receive personalized notifications for your favorite satellites.

**Highlights:** Real-time 3D Earth model with satellite orbits, Augmented reality (AR) sky gazing for satellite location, Next passes feature for stargazing planning, Personalized notifications for satellite passes, Interactive satellite radar with detailed information, In-depth satellite data

**In-app purchases:** none


## Frequently asked questions

### Is Sputnik! free?

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

### Is Satellite Tracker Pro free?

Satellite Tracker Pro is free to download, with no in-app purchases.

### Which has better reviews, Sputnik! or Satellite Tracker Pro?

Sputnik! is rated higher. Sputnik! averages 4.7 out of 5 from 731 ratings, while Satellite Tracker Pro averages 4.3 from 65 ratings.

### Do Sputnik! or Satellite Tracker Pro have ads?

Neither Sputnik! nor Satellite Tracker Pro shows ads.

### Which is updated more often, Sputnik! or Satellite Tracker Pro?

Sputnik! ships an update every 5 months, and Satellite Tracker Pro every 11 months. Most recently, Sputnik! was updated on September 23, 2026 and Satellite Tracker Pro on September 20, 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.*