# JTRB Authenticator vs GDT HomeTax

The clearest difference is update cadence: GDT HomeTax at every 2 weeks against JTRB Authenticator's every 3 months. JTRB Authenticator's advantage is iOS requirement (15.0 vs 18.6). 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.

JTRB Authenticator ships an update every 3 months, GDT HomeTax every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | JTRB Authenticator | GDT HomeTax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 35 MB | 165 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [J Trust Royal Bank](https://appshunter.io/developer/1550894648) | [General Department of Taxation](https://appshunter.io/developer/923910706) |

## What reviewers say

### JTRB Authenticator

[App page](https://appshunter.io/ios/app/jtrb-authenticator/id1550894285)

**In-app purchases:** none


### GDT HomeTax

[App page](https://appshunter.io/ios/app/gdt-hometax/id6757212237)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JTRB Authenticator free?

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

### Is GDT HomeTax free?

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

### Do JTRB Authenticator or GDT HomeTax have ads?

Neither JTRB Authenticator nor GDT HomeTax shows ads.

### Which is updated more often, JTRB Authenticator or GDT HomeTax?

JTRB Authenticator ships an update every 3 months, and GDT HomeTax every 2 weeks. Most recently, JTRB Authenticator was updated on October 24, 2026 and GDT HomeTax on October 28, 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.*