# MST Mercury StraightThru vs UWEALTH

The clearest difference is update cadence: UWEALTH at every 3 weeks against MST Mercury StraightThru's every 2 months. MST Mercury StraightThru's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

MST Mercury StraightThru ships an update every 2 months, UWEALTH every 3 weeks. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MST Mercury StraightThru | UWEALTH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 8 MB | 31 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mercury Securities Sdn Bhd](https://appshunter.io/developer/442670796) | [UOB Kay Hian Securities (M) Sdn Bhd.](https://appshunter.io/developer/492855183) |

## What reviewers say

### MST Mercury StraightThru

[App page](https://appshunter.io/ios/app/mst-mercury-straightthru/id1642345293)

**Features:** Vision Pro support

**In-app purchases:** none


### UWEALTH

[App page](https://appshunter.io/ios/app/uwealth/id6474652697)

**In-app purchases:** none


## Frequently asked questions

### Is MST Mercury StraightThru free?

MST Mercury StraightThru is free to download, with no in-app purchases.

### Is UWEALTH free?

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

### Do MST Mercury StraightThru or UWEALTH have ads?

Neither MST Mercury StraightThru nor UWEALTH shows ads.

### Which is updated more often, MST Mercury StraightThru or UWEALTH?

MST Mercury StraightThru ships an update every 2 months, and UWEALTH every 3 weeks. Most recently, MST Mercury StraightThru was updated on October 7, 2026 and UWEALTH on October 30, 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.*