# Simplex vs Cobra

The clearest difference is update cadence: Cobra at every 6 weeks against Simplex's every 4 months. Simplex's advantage is iOS requirement (9.0 vs 15.0). 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.

Simplex ships an update every 4 months, Cobra every 6 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simplex | Cobra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 34 MB | 63 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ACRI](https://appshunter.io/developer/1439465848) | [Henton and Chattell Ltd.](https://appshunter.io/developer/6771606844) |

## What reviewers say

### Simplex

[App page](https://appshunter.io/ios/app/simplex/id1439465849)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cobra

[App page](https://appshunter.io/ios/app/cobra/id6771606841)

**In-app purchases:** none


## Frequently asked questions

### Is Simplex free?

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

### Is Cobra free?

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

### Do Simplex or Cobra have ads?

Neither Simplex nor Cobra shows ads.

### Which is updated more often, Simplex or Cobra?

Simplex ships an update every 4 months, and Cobra every 6 weeks. Most recently, Simplex was updated on November 6, 2026 and Cobra 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.*