# Centras Trade vs STDI

The clearest difference is update cadence: STDI at monthly against Centras Trade's every 4 months. 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.

Centras Trade ships an update every 4 months, STDI monthly. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Centras Trade | STDI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 47 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Сентрас Секьюритиз](https://appshunter.io/developer/1274452466) | [АО «ИК Standard»](https://appshunter.io/developer/1692729650) |

## What reviewers say

### Centras Trade

[App page](https://appshunter.io/ios/app/centras-trade/id1274452467)

**Features:** Vision Pro support

**In-app purchases:** none


### STDI

[App page](https://appshunter.io/ios/app/stdi/id6450295461)

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

**In-app purchases:** none


## Frequently asked questions

### Is Centras Trade free?

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

### Is STDI free?

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

### Do Centras Trade or STDI have ads?

Neither Centras Trade nor STDI shows ads.

### Which is updated more often, Centras Trade or STDI?

Centras Trade ships an update every 4 months, and STDI monthly. Most recently, Centras Trade was updated on October 9, 2026 and STDI on October 3, 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.*