# Variabi vs ISS Tracker

The clearest difference is update cadence: Variabi at every 2 days against ISS Tracker's weekly. Variabi also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Variabi ships an update every 2 days, ISS Tracker weekly. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Variabi | ISS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (17 ratings)](https://appshunter.io/ios/app/iss-tracker-space-station/id6740058138/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 15 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxime TANCHAUD](https://appshunter.io/developer/1677953943) | [Lucent Enterprises Ltd.](https://appshunter.io/developer/1448644115) |

## What reviewers say

### Variabi

[App page](https://appshunter.io/ios/app/variabi-list/id6476325282)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISS Tracker

[App page](https://appshunter.io/ios/app/iss-tracker-space-station/id6740058138)

Monitor the International Space Station's live position and vital telemetry data in real-time. Track its orbit, altitude, velocity, and internal environmental systems. Ideal for space enthusiasts and students interested in space exploration.

**Highlights:** Real-time ISS position tracking, Interactive world map, Altitude and velocity data, Comprehensive telemetry monitoring, Environmental and power system data, Dark mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is Variabi free?

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

### Is ISS Tracker free?

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

### Do Variabi or ISS Tracker have ads?

Neither Variabi nor ISS Tracker shows ads.

### Which is updated more often, Variabi or ISS Tracker?

Variabi ships an update every 2 days, and ISS Tracker weekly. Most recently, Variabi was updated on October 18, 2026 and ISS Tracker on October 16, 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.*