# CUAD Telmex vs redBlak

The clearest difference is update cadence: redBlak at every 3 weeks against CUAD Telmex's every 11 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.

CUAD Telmex ships an update every 11 months, redBlak every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CUAD Telmex | redBlak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (17 ratings)](https://appshunter.io/ios/app/redblak-esim-mexico/id6474145222/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 74 MB | 131 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Teléfonos de México, S.A.B. de C.V.](https://appshunter.io/developer/903505961) | [GRUPO TECNOLOGÍA Y COMUNICACIÓN, S. DE R.L. DE C.V.](https://appshunter.io/developer/1720789623) |

## What reviewers say

### CUAD Telmex

[App page](https://appshunter.io/ios/app/cuad-telmex/id1636760466)

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

**In-app purchases:** none


### redBlak

[App page](https://appshunter.io/ios/app/redblak-esim-mexico/id6474145222)

Access high-speed mobile data plans at fair prices with this app. Manage your account, top up in seconds, and experience eSIM technology for seamless connectivity in Mexico. Enjoy a transparent and user-friendly platform for personalized mobile service.

**Highlights:** High-speed mobile data plans, Fair pricing, Account management, Quick top-ups, eSIM technology, Line and data details visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is CUAD Telmex free?

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

### Is redBlak free?

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

### Do CUAD Telmex or redBlak have ads?

Neither CUAD Telmex nor redBlak shows ads.

### Which is updated more often, CUAD Telmex or redBlak?

CUAD Telmex ships an update every 11 months, and redBlak every 3 weeks. Most recently, CUAD Telmex was updated on November 3, 2026 and redBlak on November 4, 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.*