# Simplex vs Duckier

The clearest difference is in-app purchases: Simplex at none against Duckier's 2. Simplex also leads on iOS requirement (9.0 vs 15.1). Duckier's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Duckier sells 2 in-app purchases, starting at $9.99 per month. Simplex asks for nothing beyond the download.

Simplex ships an update every 4 months, Duckier fortnightly. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Simplex | Duckier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 34 MB | 45 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ACRI](https://appshunter.io/developer/1439465848) | [DUCKIER INTERACTIVE - FZCO](https://appshunter.io/developer/1878103538) |

## What reviewers say

### Simplex

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Duckier

[App page](https://appshunter.io/ios/app/duckier/id6759327506)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Simplex free?

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

### Is Duckier free?

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

### Do Simplex or Duckier have ads?

Neither Simplex nor Duckier shows ads.

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

Simplex ships an update every 4 months, and Duckier fortnightly. Most recently, Simplex was updated on September 25, 2026 and Duckier on September 28, 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.*