# WaveSpy vs O'Dive

The clearest difference is update cadence: WaveSpy at every 10 days against O'Dive's monthly. WaveSpy also leads on iOS requirement (10.0 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.

WaveSpy ships an update every 10 days, O'Dive monthly. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | WaveSpy | O'Dive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/odive/id1534593720/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Free |
| Size | 186 MB | 25 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Perry](https://appshunter.io/developer/1460164127) | [AZOTH SYSTEMS](https://appshunter.io/developer/1534593722) |

## What reviewers say

### WaveSpy

[App page](https://appshunter.io/ios/app/wavespy/id1484441585)

**Features:** macOS Compatibility

**In-app purchases:** none


### O'Dive

[App page](https://appshunter.io/ios/app/odive/id1534593720)

This app uses patented acoustic sensor technology to analyze gas microbubbles detected after a dive. It helps divers assess their decompression procedures and improve their safety and practice based on personalized acoustic measurements.

**Highlights:** Acoustic sensor technology, Gas microbubble detection, Personalized decompression analysis, Diving practice improvement, Diving safety enhancement, Sensor control interface

**In-app purchases:** none


## Frequently asked questions

### Is WaveSpy free?

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

### Is O'Dive free?

O'Dive is free to download, with no in-app purchases.

### Do WaveSpy or O'Dive have ads?

Neither WaveSpy nor O'Dive shows ads.

### Which is updated more often, WaveSpy or O'Dive?

WaveSpy ships an update every 10 days, and O'Dive monthly. Most recently, WaveSpy was updated on October 1, 2026 and O'Dive on September 17, 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.*