# GTS vs ParvozSIM

GTS and ParvozSIM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | GTS | ParvozSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 102 MB | 27 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olim Khasanov](https://appshunter.io/developer/1533643488) | [Revolution Global, MChJ](https://appshunter.io/developer/1506210022) |

## What reviewers say

### GTS

[App page](https://appshunter.io/ios/app/gts/id6463125890)

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

**In-app purchases:** none


### ParvozSIM

[App page](https://appshunter.io/ios/app/parvozsim/id6761766124)

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

**In-app purchases:** none


## Frequently asked questions

### Is GTS free?

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

### Is ParvozSIM free?

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

### Do GTS or ParvozSIM have ads?

Neither GTS nor ParvozSIM shows ads.

### Which is updated more often, GTS or ParvozSIM?

GTS ships an update every 3 weeks, and ParvozSIM every 3 weeks. Most recently, GTS was updated on September 11, 2026 and ParvozSIM on September 12, 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.*