# Dive4Diadema vs Unrival

The clearest difference is update cadence: Dive4Diadema at every 3 days against Unrival's every 6 weeks. Dive4Diadema also leads on iOS requirement (11.0 vs 15.5). 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.

Dive4Diadema ships an update every 3 days, Unrival every 6 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Dive4Diadema | Unrival |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 29 MB | 42 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Code for Nature](https://appshunter.io/developer/1829374322) | [Chauvet Professional](https://appshunter.io/developer/1364133122) |

## What reviewers say

### Dive4Diadema

[App page](https://appshunter.io/ios/app/dive4diadema/id6464075724)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unrival

[App page](https://appshunter.io/ios/app/unrival/id6748585954)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive4Diadema free?

Dive4Diadema is free to download, with no in-app purchases.

### Is Unrival free?

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

### Do Dive4Diadema or Unrival have ads?

Neither Dive4Diadema nor Unrival shows ads.

### Which is updated more often, Dive4Diadema or Unrival?

Dive4Diadema ships an update every 3 days, and Unrival every 6 weeks. Most recently, Dive4Diadema was updated on October 7, 2026 and Unrival on October 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.*