# Sigtasa vs Radius On Map

The clearest difference is ads: Sigtasa at none against Radius On Map's shown. Radius On Map's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sigtasa ships an update every 2 months, Radius On Map fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sigtasa | Radius On Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (82 ratings)](https://appshunter.io/ios/app/radius-on-map-draw-circles/id6740818227/reviews)** |
| Number of ratings | — | **82** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 17 MB | 4 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Pierre Mendoza Sanchez](https://appshunter.io/developer/1509995338) | [takeshi ogawa](https://appshunter.io/developer/1676749157) |

## What reviewers say

### Sigtasa

[App page](https://appshunter.io/ios/app/sigtasa/id1553535186)

**Features:** macOS Compatibility

**In-app purchases:** none


### Radius On Map

[App page](https://appshunter.io/ios/app/radius-on-map-draw-circles/id6740818227)

Easily visualize distances with a clear radius around any map pin. Set multiple circles to compare, search locations, and explore what's within a specific range. Offers standard and satellite map views with automatic pin saving for quick access.

**Highlights:** Set up to three radius circles per pin, Location search and exploration, Standard and satellite map views, Automatic pin saving, Distance comparison

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sigtasa free?

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

### Is Radius On Map free?

Radius On Map is free to download, with no in-app purchases.

### Do Sigtasa or Radius On Map have ads?

Radius On Map shows ads; Sigtasa does not.

### Which is updated more often, Sigtasa or Radius On Map?

Sigtasa ships an update every 2 months, and Radius On Map fortnightly. Most recently, Sigtasa was updated on October 25, 2026 and Radius On Map on October 28, 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.*