# SINALNET vs Duosafe

The clearest difference is update cadence: Duosafe at fortnightly against SINALNET's every 13 months. Duosafe also leads on device support (4 vs 2). SINALNET's advantage is iOS requirement (12.0 vs 15.5). On price, 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.

SINALNET ships an update every 13 months, Duosafe fortnightly. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SINALNET | Duosafe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 60 MB | 154 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Machado](https://appshunter.io/developer/1400606916) | [KOPPA](https://appshunter.io/developer/1723235495) |

## What reviewers say

### SINALNET

[App page](https://appshunter.io/ios/app/sinalnet/id1532942155)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duosafe

[App page](https://appshunter.io/ios/app/duosafe/id6475053708)

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

**In-app purchases:** none


## Frequently asked questions

### Is SINALNET free?

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

### Is Duosafe free?

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

### Do SINALNET or Duosafe have ads?

Neither SINALNET nor Duosafe shows ads.

### Which is updated more often, SINALNET or Duosafe?

SINALNET ships an update every 13 months, and Duosafe fortnightly. Most recently, SINALNET was updated on September 24, 2026 and Duosafe on September 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.*