# STDI vs Yes Exchange

STDI and Yes Exchange 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.

STDI ships an update monthly, Yes Exchange every 3 weeks. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | STDI | Yes Exchange |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 42 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [АО «ИК Standard»](https://appshunter.io/developer/1692729650) | [YES EXCHANGE, TOO](https://appshunter.io/developer/1847319392) |

## What reviewers say

### STDI

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

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

**In-app purchases:** none


### Yes Exchange

[App page](https://appshunter.io/ios/app/yes-exchange/id6754240337)

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

**In-app purchases:** none


## Frequently asked questions

### Is STDI free?

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

### Is Yes Exchange free?

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

### Do STDI or Yes Exchange have ads?

Neither STDI nor Yes Exchange shows ads.

### Which is updated more often, STDI or Yes Exchange?

STDI ships an update monthly, and Yes Exchange every 3 weeks. Most recently, STDI was updated on October 20, 2026 and Yes Exchange on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*