# Dupla vs Scalaz

The clearest difference is update cadence: Dupla at every 5 days against Scalaz's fortnightly. Dupla also leads on iOS requirement (16.0 vs 18.0). 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.

Dupla ships an update every 5 days, Scalaz fortnightly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dupla | Scalaz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 56 MB | 37 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Mohamed Hassan](https://appshunter.io/developer/1778953363) | [Ahmed Emad](https://appshunter.io/developer/6803142151) |

## What reviewers say

### Dupla

[App page](https://appshunter.io/ios/app/dupla-for-shared-wins/id6738024618)

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

**In-app purchases:** none


### Scalaz

[App page](https://appshunter.io/ios/app/scalaz/id6803142149)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dupla free?

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

### Is Scalaz free?

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

### Do Dupla or Scalaz have ads?

Neither Dupla nor Scalaz shows ads.

### Which is updated more often, Dupla or Scalaz?

Dupla ships an update every 5 days, and Scalaz fortnightly. Most recently, Dupla was updated on October 22, 2026 and Scalaz on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*