# Doppio Zero vs Château Gâteaux

The clearest difference is update cadence: Château Gâteaux at every 4 weeks against Doppio Zero's every 7 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.

Doppio Zero ships an update every 7 months, Château Gâteaux every 4 weeks. The most recent releases landed on October 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Doppio Zero | Château Gâteaux |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 82 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carl Heinz Conradie](https://appshunter.io/developer/1172148332) | [Yoyo SA (PTY) Ltd](https://appshunter.io/developer/1311394324) |

## What reviewers say

### Doppio Zero

[App page](https://appshunter.io/ios/app/doppio-zero/id1183696985)

Manage your loyalty rewards digitally without physical cards. Securely track points, view transaction history, and receive exclusive offers and promotions directly on your device.

**Highlights:** Digital loyalty card replacement, Secure one-time PIN payments, Track points and view statements, Receive exclusive deal notifications, View transaction tickets

**In-app purchases:** none


### Château Gâteaux

[App page](https://appshunter.io/ios/app/chateau-gateaux/id6760898397)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doppio Zero free?

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

### Is Château Gâteaux free?

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

### Do Doppio Zero or Château Gâteaux have ads?

Neither Doppio Zero nor Château Gâteaux shows ads.

### Which is updated more often, Doppio Zero or Château Gâteaux?

Doppio Zero ships an update every 7 months, and Château Gâteaux every 4 weeks. Most recently, Doppio Zero was updated on October 16, 2026 and Château Gâteaux on September 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.*