# Satellite Tracker Pro vs I

The clearest difference is update cadence: I at every 3 days against Satellite Tracker Pro's every 11 months. I also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Satellite Tracker Pro ships an update every 11 months, I every 3 days. The most recent releases landed on September 20, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Satellite Tracker Pro | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (65 ratings)](https://appshunter.io/ios/app/satellite-tracker-pro/id1518484999/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 72.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 58 MB | 19 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kornienko Vyacheslav](https://appshunter.io/developer/1518484998) | [Ofek Tal](https://appshunter.io/developer/1729899165) |

## What reviewers say

### 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


### I

[App page](https://appshunter.io/ios/app/i-did/id6477625765)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Tracker Pro free?

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

### Is I free?

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

### Do Satellite Tracker Pro or I have ads?

Neither Satellite Tracker Pro nor I shows ads.

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

Satellite Tracker Pro ships an update every 11 months, and I every 3 days. Most recently, Satellite Tracker Pro was updated on September 20, 2026 and I on September 4, 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.*