# BlueDive vs Nuddi

The clearest difference is update cadence: Nuddi at every 4 days against BlueDive's every 10 days. 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.

BlueDive ships an update every 10 days, Nuddi every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BlueDive | Nuddi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 30 MB | 59 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Steve Houle](https://appshunter.io/developer/1883532323) | [Marc Cubiro](https://appshunter.io/developer/6801784774) |

## What reviewers say

### BlueDive

[App page](https://appshunter.io/ios/app/bluedive/id6760430619)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nuddi

[App page](https://appshunter.io/ios/app/nuddi-scuba-dive-log/id6801784772)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlueDive free?

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

### Is Nuddi free?

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

### Do BlueDive or Nuddi have ads?

Neither BlueDive nor Nuddi shows ads.

### Which is updated more often, BlueDive or Nuddi?

BlueDive ships an update every 10 days, and Nuddi every 4 days. Most recently, BlueDive was updated on October 24, 2026 and Nuddi on October 25, 2026.

---

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