# ZUL vs RedCode

The clearest difference is device support: RedCode at 3 against ZUL's 1. RedCode also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ZUL | RedCode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (682 ratings)](https://appshunter.io/ios/app/zul-estar-curitiba/id1494157759/reviews)** | — |
| Number of ratings | **682** | — |
| Positive reviews | 38.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 76 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ON TECNOLOGIA DE MOBILIDADE URBANA S.A.](https://appshunter.io/developer/307932242) | [IMAXTECH SOLUCOES EM INFORMATICA LTDA](https://appshunter.io/developer/1525609883) |

## What reviewers say

### ZUL

[App page](https://appshunter.io/ios/app/zul-estar-curitiba/id1494157759)

This official app allows you to purchase and activate electronic regulated parking in Curitiba. Easily manage your parking credits, pay with various methods, and receive notifications when your time is about to expire. The system is fully digital, simplifying the process for drivers and traffic agents.

**Highlights:** Purchase electronic parking credits, Activate parking sessions, Multiple payment options (credit card, debit, boleto, Apple Pay), Digital enforcement by traffic agents, Notifications for expiring parking time, Parking history and location tracking

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

**In-app purchases:** none


### RedCode

[App page](https://appshunter.io/ios/app/redcode/id6796199164)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZUL free?

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

### Is RedCode free?

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

### Do ZUL or RedCode have ads?

Neither ZUL nor RedCode shows ads.

### Which is updated more often, ZUL or RedCode?

ZUL ships an update every 3 weeks, and RedCode every 3 weeks. Most recently, ZUL was updated on October 13, 2026 and RedCode on October 16, 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.*