# StarTracker V2 vs ElPrognos

The clearest difference is update cadence: ElPrognos at every 2 months against StarTracker V2's every 13 months. StarTracker V2's advantage is iOS requirement (10.0 vs 17.5). 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.

StarTracker V2 ships an update every 13 months, ElPrognos every 2 months. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | StarTracker V2 | ElPrognos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Size | 36 MB | 6 MB |
| Requires iOS | **10.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Technomation Company Limited](https://appshunter.io/developer/1260534886) | [LineSpotting AB](https://appshunter.io/developer/1326519237) |

## What reviewers say

### StarTracker V2

[App page](https://appshunter.io/ios/app/startracker-v2/id1546187982)

**Features:** macOS Compatibility

**In-app purchases:** none


### ElPrognos

[App page](https://appshunter.io/ios/app/elprognos/id6475678956)

**In-app purchases:** none


## Frequently asked questions

### Is StarTracker V2 free?

StarTracker V2 is free to download, with no in-app purchases.

### Is ElPrognos free?

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

### Do StarTracker V2 or ElPrognos have ads?

Neither StarTracker V2 nor ElPrognos shows ads.

### Which is updated more often, StarTracker V2 or ElPrognos?

StarTracker V2 ships an update every 13 months, and ElPrognos every 2 months. Most recently, StarTracker V2 was updated on September 26, 2026 and ElPrognos on September 14, 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.*