# Radius on Map + vs SIKEY AI Assistant

The clearest difference is price: SIKEY AI Assistant at Free against Radius on Map +'s $5.99. Radius on Map +'s advantage is in-app purchases (none vs 7) and iOS requirement (9.0 vs 15). On update cadence, ads and device support there is nothing between them.

SIKEY AI Assistant is free to download; Radius on Map + costs $5.99 up front. SIKEY AI Assistant sells 4 in-app purchases, starting at $0.99 per 7 days. Radius on Map + asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Radius on Map + | SIKEY AI Assistant |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/radius-on-map-plus-draw-circle/id991628560/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | — |
| Size | 5 MB | 31 MB |
| Requires iOS | **9.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TappiApps](https://appshunter.io/developer/549016746) | [深圳市科答科技有限公司](https://appshunter.io/developer/1679221702) |

## What reviewers say

### Radius on Map +

[App page](https://appshunter.io/ios/app/radius-on-map-plus-draw-circle/id991628560)

Create and share circular areas on a map with a unique URL. Supports various coordinate and distance units, and allows importing/exporting data in KML format. Ideal for planning and communication.

**Highlights:** Draw radius on map, Share radius via URL, Import/export KML files, Support for multiple coordinate formats, Support for various distance units, Customizable radius properties, No adverts

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

**In-app purchases:** none


### SIKEY AI Assistant

[App page](https://appshunter.io/ios/app/sikey-ai-assistant/id6760173418)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sikey pay test | $0.99 | per 7 days |
| AI Assistant Yearly Subscription | $2.99 | per year |
| AI Assistant Annual Subscription | $2.99 | per year |
| AI Assistant Annual Subscription | $3.99 | per year |


## Frequently asked questions

### Is Radius on Map + free?

Radius on Map + costs $5.99, with no in-app purchases.

### Is SIKEY AI Assistant free?

SIKEY AI Assistant is free to download, with in-app purchases available.

### Do Radius on Map + or SIKEY AI Assistant have ads?

Neither Radius on Map + nor SIKEY AI Assistant shows ads.

### Which is updated more often, Radius on Map + or SIKEY AI Assistant?

Radius on Map + ships an update every 3 months, and SIKEY AI Assistant every 3 months. Most recently, Radius on Map + was updated on September 10, 2026 and SIKEY AI Assistant on September 20, 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.*