# Sub Radar vs DueScope

The clearest difference is in-app purchases: DueScope at none against Sub Radar's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sub Radar sells 1 in-app purchase, starting at $4.99 per year. DueScope asks for nothing beyond the download.

Sub Radar ships an update monthly, DueScope every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Sub Radar | DueScope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 13 MB | 41 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Peter Witham](https://appshunter.io/developer/1583426014) | [Stephan Mett](https://appshunter.io/developer/1844459338) |

## What reviewers say

### Sub Radar

[App page](https://appshunter.io/ios/app/sub-radar/id6749279119)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $4.99 | per year |


### DueScope

[App page](https://appshunter.io/ios/app/duescope/id6754844964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sub Radar free?

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

### Is DueScope free?

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

### Do Sub Radar or DueScope have ads?

Neither Sub Radar nor DueScope shows ads.

### Which is updated more often, Sub Radar or DueScope?

Sub Radar ships an update monthly, and DueScope every 3 weeks. Most recently, Sub Radar was updated on October 2, 2026 and DueScope on October 2, 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.*