# TRONA 트로나 vs Transfer Union

The clearest difference is update cadence: Transfer Union at weekly against TRONA 트로나's every 3 weeks. 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.

TRONA 트로나 ships an update every 3 weeks, Transfer Union weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TRONA 트로나 | Transfer Union |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 100 MB | 59 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ZENITH MERCHANT SOLUTIONS INC.](https://appshunter.io/developer/1878592914) | [KONNECTIVITY LIMITED](https://appshunter.io/developer/6782768362) |

## What reviewers say

### TRONA 트로나

[App page](https://appshunter.io/ios/app/trona/id6759438965)

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

**In-app purchases:** none


### Transfer Union

[App page](https://appshunter.io/ios/app/transfer-union/id6787831732)

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

**In-app purchases:** none


## Frequently asked questions

### Is TRONA 트로나 free?

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

### Is Transfer Union free?

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

### Do TRONA 트로나 or Transfer Union have ads?

Neither TRONA 트로나 nor Transfer Union shows ads.

### Which is updated more often, TRONA 트로나 or Transfer Union?

TRONA 트로나 ships an update every 3 weeks, and Transfer Union weekly. Most recently, TRONA 트로나 was updated on October 28, 2026 and Transfer Union on October 24, 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.*