# Kraken NextGen vs AOI

The clearest difference is in-app purchases: AOI at none against Kraken NextGen's 4. AOI also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (11.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. Kraken NextGen sells 4 in-app purchases, starting at $4.99 per 7 days. AOI asks for nothing beyond the download.

Kraken NextGen ships an update every 2 months, AOI every 10 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | Kraken NextGen | AOI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (6 ratings)](https://appshunter.io/ios/app/kraken-nextgen/id6478402046/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 322 MB | 32 MB |
| Requires iOS | 17.2 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DATS Sports](https://appshunter.io/developer/1556559865) | [AOI-UW LIMITED](https://appshunter.io/developer/1797477814) |

## What reviewers say

### Kraken NextGen

[App page](https://appshunter.io/ios/app/kraken-nextgen/id6478402046)

Enhance your underwater photography and track dives with AI-powered image improvements and detailed dive logging. This app works with smart housings to provide real-time data and safety timers for a superior diving experience.

**Highlights:** AI Image Enhancement, AI Color Correction, AI Image Denoise, Comprehensive Dive Logs, Real-Time Dive Tracking, Cool-Down Timers, Decompression Calculations

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kraken Pro Weekly | $4.99 | per 7 days |
| Kraken Pro Monthly | $9.99 | per month |
| Kraken Pro Half-Yearly | $49.99 | per 6 months |
| Kraken Pro Yearly | $79.99 | per year |


### AOI

[App page](https://appshunter.io/ios/app/aoi-uw/id6742219314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kraken NextGen free?

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

### Is AOI free?

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

### Do Kraken NextGen or AOI have ads?

Neither Kraken NextGen nor AOI shows ads.

### Which is updated more often, Kraken NextGen or AOI?

Kraken NextGen ships an update every 2 months, and AOI every 10 days. Most recently, Kraken NextGen was updated on November 4, 2026 and AOI on November 4, 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.*