# Radar Chart Note vs Simple Relationship Map

The clearest difference is review sentiment: Simple Relationship Map at 100% against Radar Chart Note's 60%. Simple Relationship Map also leads on ads (none vs shown) and iOS requirement (15.6 vs 26.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Radar Chart Note sells 1 one-off in-app purchase and Simple Relationship Map sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Radar Chart Note ships an update every 3 weeks, Simple Relationship Map fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Radar Chart Note | Simple Relationship Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/radar-chart-note/id1544492172/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 5 MB | 49 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kohei yamane](https://appshunter.io/developer/1239055575) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### Radar Chart Note

[App page](https://appshunter.io/ios/app/radar-chart-note/id1544492172)

Easily create and save radar, spider, or web charts to visualize data across multiple variables. This utility app allows you to plot one or more series of values for comprehensive data representation.

**Highlights:** Create radar charts, Plot multiple data series, Visualize over multiple variables, Save charts to photo library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Simple Relationship Map

[App page](https://appshunter.io/ios/app/simple-relationship-map/id6746087402)

Easily create visual maps of relationships, organizations, networks, and more on your smartphone or tablet. Supports colors, images, links, and notes for rich expression. Export and share your creations, or edit them on a PC.

**Highlights:** Intuitive map editing, Customizable item colors, Insert links and notes, Export and share maps, Import and edit files, Dark theme support, No account registration required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relationship Map Pro (Monthly) | $2.99 | per month |
| Relationship Map Pro (Annual) | $27.00 | per year |


## Frequently asked questions

### Is Radar Chart Note free?

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

### Is Simple Relationship Map free?

Simple Relationship Map is free to download, with in-app purchases available.

### Do Radar Chart Note or Simple Relationship Map have ads?

Radar Chart Note shows ads; Simple Relationship Map does not.

### Which is updated more often, Radar Chart Note or Simple Relationship Map?

Radar Chart Note ships an update every 3 weeks, and Simple Relationship Map fortnightly. Most recently, Radar Chart Note was updated on October 4, 2026 and Simple Relationship Map on October 7, 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.*