# Deepfly Connected vs Cat Letter

The clearest difference is update cadence: Cat Letter at every 4 days against Deepfly Connected's every 5 weeks. Deepfly Connected's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Deepfly Connected ships an update every 5 weeks, Cat Letter every 4 days. The most recent releases landed on September 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Deepfly Connected | Cat Letter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 85 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [DEEPFLY CO.,LTD.](https://appshunter.io/developer/1696016637) | [LONG VOYAGE TECHNOLOGIES PTE. LTD.](https://appshunter.io/developer/1896372290) |

## What reviewers say

### Deepfly Connected

[App page](https://appshunter.io/ios/app/deepfly-connected/id6450970720)

View live footage from your dash cam and manage recorded videos. Update your dash cam's firmware and adjust system settings directly from your smartphone. Compatible with select Deepfly dash cam models.

**Highlights:** Real-time dash cam video streaming, Play and download recorded footage, Dash cam system settings adjustment, Latest firmware upgrades, Wi-Fi connection for device control

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

**In-app purchases:** none


### Cat Letter

[App page](https://appshunter.io/ios/app/cat-letter/id6773315989)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deepfly Connected free?

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

### Is Cat Letter free?

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

### Do Deepfly Connected or Cat Letter have ads?

Neither Deepfly Connected nor Cat Letter shows ads.

### Which is updated more often, Deepfly Connected or Cat Letter?

Deepfly Connected ships an update every 5 weeks, and Cat Letter every 4 days. Most recently, Deepfly Connected was updated on September 25, 2026 and Cat Letter on October 8, 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.*