# DESA vs Dive4Diadema

The clearest difference is update cadence: Dive4Diadema at every 3 days against DESA's every 3 weeks. Dive4Diadema also leads on iOS requirement (11.0 vs 13.0). 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.

DESA ships an update every 3 weeks, Dive4Diadema every 3 days. The most recent releases landed on June 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | DESA | Dive4Diadema |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 189 MB | 29 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dr. Leber Datentechnik GmbH](https://appshunter.io/developer/1338475111) | [Code for Nature](https://appshunter.io/developer/1829374322) |

## What reviewers say

### DESA

[App page](https://appshunter.io/ios/app/desa/id1163795151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dive4Diadema

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DESA free?

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

### Is Dive4Diadema free?

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

### Do DESA or Dive4Diadema have ads?

Neither DESA nor Dive4Diadema shows ads.

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

DESA ships an update every 3 weeks, and Dive4Diadema every 3 days. Most recently, DESA was updated on June 22, 2026 and Dive4Diadema on September 19, 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.*