# United Traders vs STDI

The clearest difference is iOS requirement: United Traders at 12.0 against STDI's 15.0. On price, update cadence, 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.

United Traders ships an update fortnightly, STDI monthly. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | United Traders | STDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/united-traders/id1491324321/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 79 MB | 42 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [UT Exchange OU](https://appshunter.io/developer/1491324320) | [АО «ИК Standard»](https://appshunter.io/developer/1692729650) |

## What reviewers say

### United Traders

[App page](https://appshunter.io/ios/app/united-traders/id1491324321)

Invest in a variety of U.S. market instruments, including IPOs, pre-IPO, OTC stocks, SPACs, and ETFs. Build a diversified portfolio with fractional shares and access detailed risk and return analysis for each investment.

**Highlights:** Invest in IPOs, Pre-IPO, and OTC stocks, Fractional share investing, Portfolio building tools, Risk and return analysis, Buy and sell orders, Early and partial exit options

**Features:** macOS Compatibility

**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 United Traders free?

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

### Is STDI free?

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

### Do United Traders or STDI have ads?

Neither United Traders nor STDI shows ads.

### Which is updated more often, United Traders or STDI?

United Traders ships an update fortnightly, and STDI monthly. Most recently, United Traders was updated on October 16, 2026 and STDI on October 20, 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.*