# SpyWave V2 vs DUOSS

The clearest difference is in-app purchases: DUOSS at none against SpyWave V2's 1. DUOSS also leads on device support. SpyWave V2's advantage is iOS requirement (9.0 vs 15.1). On price there is nothing between them.

Both are free to download. SpyWave V2 sells 1 one-off in-app purchase. DUOSS asks for nothing beyond the download.

## The numbers

| Metric | SpyWave V2 | DUOSS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 28 months |
| Size | 117 MB | 36 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Erivan Ferreira de Lima](https://appshunter.io/developer/1065037747) | [Cativa Tecnologia e Servicos Digitais](https://appshunter.io/developer/1498249979) |

## What reviewers say

### SpyWave V2

[App page](https://appshunter.io/ios/app/spywave-v2/id1475103152)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acesso SpyWave V2 | $0.99 | one-time |


### DUOSS

[App page](https://appshunter.io/ios/app/duoss/id6476010112)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpyWave V2 free?

SpyWave V2 is free to download, with in-app purchases available.

### Is DUOSS free?

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

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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.*