# iugu app vs Stark Auth

The clearest difference is update cadence: iugu app at every 3 weeks against Stark Auth's every 3 months. 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.

iugu app ships an update every 3 weeks, Stark Auth every 3 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iugu app | Stark Auth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 65 MB | 62 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iugu Instituicao de Pagamento S/A](https://appshunter.io/developer/598998618) | [Stark Bank S.A.](https://appshunter.io/developer/1620050036) |

## What reviewers say

### iugu app

[App page](https://appshunter.io/ios/app/iugu-app/id1621401365)

**In-app purchases:** none


### Stark Auth

[App page](https://appshunter.io/ios/app/stark-auth/id6480134848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iugu app free?

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

### Is Stark Auth free?

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

### Do iugu app or Stark Auth have ads?

Neither iugu app nor Stark Auth shows ads.

### Which is updated more often, iugu app or Stark Auth?

iugu app ships an update every 3 weeks, and Stark Auth every 3 months. Most recently, iugu app was updated on October 12, 2026 and Stark Auth on October 14, 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.*