# Simple Relationship Map vs Battery Materials Toolkit

The clearest difference is in-app purchases: Battery Materials Toolkit at none against Simple Relationship Map's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Relationship Map sells 2 in-app purchases, starting at $2.99 per month. Battery Materials Toolkit asks for nothing beyond the download.

## The numbers

| Metric | Simple Relationship Map | Battery Materials Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 59 MB | 28 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YUKI TANAIKE](https://appshunter.io/developer/478558546) | [碧珍 刘](https://appshunter.io/developer/372781020) |

## What reviewers say

### Simple Relationship Map

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

**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 |


### Battery Materials Toolkit

[App page](https://appshunter.io/ios/app/battery-materials-toolkit/id6776542889)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Relationship Map free?

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

### Is Battery Materials Toolkit free?

Battery Materials Toolkit is free to download, with no in-app purchases.

### Do Simple Relationship Map or Battery Materials Toolkit have ads?

Neither Simple Relationship Map nor Battery Materials Toolkit shows ads.

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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.*