# UDBK vs AIGun

The clearest difference is update cadence: AIGun at every 4 days against UDBK's every 2 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.

UDBK ships an update every 2 weeks, AIGun every 4 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | UDBK | AIGun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 100 MB | 61 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [US Development Bank, Inc.](https://appshunter.io/developer/1829900709) | [International Satoshi Group Co., Limited](https://appshunter.io/developer/1805286451) |

## What reviewers say

### UDBK

[App page](https://appshunter.io/ios/app/udbk/id6749298389)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIGun

[App page](https://appshunter.io/ios/app/aigun/id6753933595)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UDBK free?

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

### Is AIGun free?

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

### Do UDBK or AIGun have ads?

Neither UDBK nor AIGun shows ads.

### Which is updated more often, UDBK or AIGun?

UDBK ships an update every 2 weeks, and AIGun every 4 days. Most recently, UDBK was updated on October 1, 2026 and AIGun on October 1, 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.*