# Carvio vs Casto Flasher

The clearest difference is in-app purchases: Casto Flasher at none against Carvio's 2. Casto Flasher also leads on update cadence (every 3 weeks vs every 4 months). Carvio's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Carvio sells 2 in-app purchases, starting at $2.99 per month. Casto Flasher asks for nothing beyond the download.

Carvio ships an update every 4 months, Casto Flasher every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Carvio | Casto Flasher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 79 MB | 66 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Efimenko](https://appshunter.io/developer/1867840653) | [ZL Softare GmbH](https://appshunter.io/developer/6788573355) |

## What reviewers say

### Carvio

[App page](https://appshunter.io/ios/app/carvio/id6757611917)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carvio Pro Monthly | $2.99 | per month |
| Carvio Pro Yearly | $19.99 | per year |


### Casto Flasher

[App page](https://appshunter.io/ios/app/casto-flasher/id6797246314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carvio free?

Carvio is free to download, with in-app purchases available.

### Is Casto Flasher free?

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

### Do Carvio or Casto Flasher have ads?

Neither Carvio nor Casto Flasher shows ads.

### Which is updated more often, Carvio or Casto Flasher?

Carvio ships an update every 4 months, and Casto Flasher every 3 weeks. Most recently, Carvio was updated on October 31, 2026 and Casto Flasher on October 31, 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.*