# Walkie vs OnSiren

The clearest difference is in-app purchases: OnSiren at none against Walkie's 2. OnSiren also leads on update cadence (weekly vs monthly). Walkie's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Walkie sells 2 in-app purchases, starting at $0.99 per month. OnSiren asks for nothing beyond the download.

Walkie ships an update monthly, OnSiren weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Walkie | OnSiren |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 74 MB | 124 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Walkie App Limited](https://appshunter.io/developer/1703228738) | [OnSiren Limited](https://appshunter.io/developer/6795174860) |

## What reviewers say

### Walkie

[App page](https://appshunter.io/ios/app/walkie/id6743860647)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month (Basic) | $0.99 | per month |
| 6 Month (Premium) | $4.99 | per 6 months |


### OnSiren

[App page](https://appshunter.io/ios/app/onsiren/id6795977065)

**In-app purchases:** none


## Frequently asked questions

### Is Walkie free?

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

### Is OnSiren free?

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

### Do Walkie or OnSiren have ads?

Neither Walkie nor OnSiren shows ads.

### Which is updated more often, Walkie or OnSiren?

Walkie ships an update monthly, and OnSiren weekly. Most recently, Walkie was updated on October 25, 2026 and OnSiren on October 25, 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.*